The ADC342x are a high-linearity, ultra-low power, quad-channel, 12-bit, 25-MSPS to 125-MSPS, analog-to-digital converter (ADC) family. The devices are designed specifically to support demanding, high input frequency signals with large dynamic range requirements. An input clock divider allows more flexibility for system clock architecture design and the SYSREF input enables complete system synchronization. The ADC342x family supports serial low-voltage differential signaling (LVDS) in order to reduce the number of interface lines, thus allowing for high system integration density. The serial LVDS interface is two-wire, where each ADC data are serialized and output over two LVDS pairs. An internal phase-locked loop (PLL) multiplies the incoming ADC sampling clock to derive the bit clock that is used to serialize the 12-bit output data from each channel. In addition to the serial data streams, the frame and bit clocks are also transmitted as LVDS outputs.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
ADC342x | VQFN (56) | 8.00 mm × 8.00 mm |
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PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
AVDD | 6, 7, 10, 11, 14, 15, 20, 23, 28, 29, 32, 33, 36 | I | Analog 1.8-V power supply |
CLKM | 21 | I | Negative differential clock input for the ADC |
CLKP | 22 | I | Positive differential clock input for the ADC |
DA0M | 4 | O | Negative serial LVDS output for wire-0 of channel A |
DA0P | 3 | O | Positive serial LVDS output for wire-0 of channel A |
DA1M | 2 | O | Negative serial LVDS output for wire-1 of channel A |
DA1P | 1 | O | Positive serial LVDS output for wire-1 of channel A |
DB0M | 56 | O | Negative serial LVDS output for wire-0 of channel B |
DB0P | 55 | O | Positive serial LVDS output for wire-0 of channel B |
DB1M | 54 | O | Negative serial LVDS output for wire-1 of channel B |
DB1P | 53 | O | Positive serial LVDS output for wire-1 of channel B |
DC0M | 46 | O | Negative serial LVDS output for wire-0 of channel C |
DC0P | 45 | O | Positive serial LVDS output for wire-0 of channel C |
DC1M | 44 | O | Negative serial LVDS output for wire-1 of channel C |
DC1P | 43 | O | Positive serial LVDS output for wire-1 of channel C |
DD0M | 42 | O | Negative serial LVDS output for wire-0 of channel D |
DD0P | 41 | O | Positive serial LVDS output for wire-0 of channel D |
DD1M | 40 | O | Negative serial LVDS output for wire-1 of channel D |
DD1P | 39 | O | Positive serial LVDS output for wire-1 of channel D |
DCLKM | 51 | O | Negative bit clock output |
DCLKP | 50 | O | Positive bit clock output |
DVDD | 5, 38, 47, 52 | I | Digital 1.8-V power supply |
FCLKM | 49 | O | Negative frame clock output |
FCLKP | 48 | O | Positive frame clock output |
GND | PowerPAD™ | I | Ground, 0 V |
INAM | 8 | I | Negative differential analog input for channel A |
INAP | 9 | I | Positive differential analog input for channel A |
INBM | 13 | I | Negative differential analog input for channel B |
INBP | 12 | I | Positive differential analog input for channel B |
INCM | 30 | I | Negative differential analog input for channel C |
INCP | 31 | I | Positive differential analog input for channel C |
INDM | 35 | I | Negative differential analog input for channel D |
INDP | 34 | I | Positive differential analog input for channel D |
PDN | 37 | I | Power-down control. This pin can be configured via the SPI. This pin has an internal 150-kΩ pulldown resistor. |
RESET | 24 | I | Hardware reset; active high. This pin has an internal 150-kΩ pulldown resistor. |
SCLK | 16 | I | Serial interface clock input. This pin has an internal 150-kΩ pulldown resistor. |
SDATA | 17 | I | Serial interface data input. This pin has an internal 150-kΩ pulldown resistor. |
SDOUT | 19 | O | Serial interface data output |
SEN | 18 | I | Serial interface enable; active low. This pin has an internal 150-kΩ pullup resistor to AVDD. |
SYSREFM | 26 | I | Negative external SYSREF input |
SYSREFP | 25 | I | Positive external SYSREF input |
VCM | 27 | O | Common-mode voltage for analog inputs |
MIN | MAX | UNIT | ||
---|---|---|---|---|
Analog supply voltage range, AVDD | –0.3 | 2.1 | V | |
Digital supply voltage range, DVDD | –0.3 | 2.1 | V | |
Voltage applied to input pins |
INAP, INBP, INCP, INDP, INAM, INBM, INCM, INDM | –0.3 | min (1.9, AVDD + 0.3) | V |
CLKP, CLKM | –0.3 | AVDD + 0.3 | ||
SYSREFP, SYSREFM | –0.3 | AVDD + 0.3 | ||
SCLK, SEN, SDATA, RESET, PDN | –0.3 | 3.9 | ||
Temperature | Operating free-air, TA | –40 | 85 | ºC |
Operating junction, TJ | 125 | |||
Storage, Tstg | –65 | 150 |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±2000 | V |
MIN | NOM | MAX | UNIT | |||
---|---|---|---|---|---|---|
SUPPLIES | ||||||
AVDD | Analog supply voltage range | 1.7 | 1.8 | 1.9 | V | |
DVDD | Digital supply voltage range | 1.7 | 1.8 | 1.9 | V | |
ANALOG INPUT | ||||||
VID | Differential input voltage | For input frequencies < 450 MHz | 2 | VPP | ||
For input frequencies < 600 MHz | 1 | |||||
VIC | Input common-mode voltage | VCM ± 0.025 | V | |||
CLOCK INPUT | ||||||
Input clock frequency | Sampling clock frequency | 15(2) | 125(1) | MSPS | ||
Input clock amplitude (differential) | Sine wave, ac-coupled | 0.2 | 1.5 | VPP | ||
LPECL, ac-coupled | 1.6 | |||||
LVDS, ac-coupled | 0.7 | |||||
Input clock duty cycle | 35% | 50% | 65% | |||
Input clock common-mode voltage | 0.95 | V | ||||
DIGITAL OUTPUTS | ||||||
CLOAD | Maximum external load capacitance from each output pin to GND | 3.3 | pF | |||
RLOAD | Single-ended load resistance | 100 | Ω |
THERMAL METRIC(1) | ADC342x | UNIT | |
---|---|---|---|
RTQ (VQFN) | |||
56 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 25.3 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 9.5 | °C/W |
RθJB | Junction-to-board thermal resistance | 3.4 | °C/W |
ψJT | Junction-to-top characterization parameter | 0.2 | °C/W |
ψJB | Junction-to-board characterization parameter | 3.3 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 0.5 | °C/W |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
ANALOG INPUT | |||||||
Differential input full-scale | 2.0 | VPP | |||||
ri | Input resistance | Differential at dc | 6.6 | kΩ | |||
ci | Input capacitance | Differential at dc | 3.7 | pF | |||
VOC(VCM) | VCM common-mode voltage output | 0.95 | V | ||||
VCM output current capability | 10 | mA | |||||
Input common-mode current | Per analog input pin | 1.5 | µA/MSPS | ||||
Analog input bandwidth (3 dB) | 50-Ω differential source driving 50-Ω termination across INP and INM | 540 | MHz | ||||
DC ACCURACY | |||||||
EO | Offset error | –25 | 25 | mV | |||
αEO | Temperature coefficient of offset error | ± 0.024 | mV/°C | ||||
EG(REF) | Gain error as a result of internal reference inaccuracy alone | –2 | 2 | %FS | |||
EG(CHAN) | Gain error of channel alone | –2 | %FS | ||||
α(EGCHAN) | Temperature coefficient of EG(CHAN) | ±0.008 | Δ%FS/Ch | ||||
CHANNEL-TO-CHANNEL ISOLATION | |||||||
Crosstalk(1) | fIN = 10 MHz | Near channel | 105 | dB | |||
Far channel | 105 | ||||||
fIN = 100 MHz | Near channel | 95 | |||||
Far channel | 105 | ||||||
fIN = 200 MHz | Near channel | 94 | |||||
Far channel | 105 | ||||||
fIN = 230 MHz | Near channel | 92 | |||||
Far channel | 105 | ||||||
fIN = 300 MHz | Near channel | 85 | |||||
Far channel | 105 |
PARAMETER | ADC3421 | ADC3422 | UNIT | |||||
---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | TYP | MAX | |||
ADC clock frequency | 25 | 50 | MSPS | |||||
Resolution | 12 | 12 | Bits | |||||
1.8-V analog supply current | 54 | 71 | 71 | 90 | mA | |||
1.8-V digital supply current | 45 | 71 | 56 | 90 | mA | |||
Total power dissipation | 177 | 240 | 228 | 305 | mW | |||
Global power-down dissipation | 5 | 17 | 5 | 17 | mW | |||
Standby power-down dissipation | 34 | 75 | 35 | 75 | mW |
PARAMETER | ADC3423 | ADC3424 | UNIT | |||||
---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | TYP | MAX | |||
ADC clock frequency | 80 | 125 | MSPS | |||||
Resolution | 12 | 12 | Bits | |||||
1.8-V analog supply current | 92 | 107 | 119 | 145 | mA | |||
1.8-V digital supply current | 68 | 100 | 98 | 145 | mA | |||
Total power dissipation | 288 | 365 | 391 | 475 | mW | |||
Global power-down dissipation | 5 | 17 | 5 | 17 | mW | |||
Standby power-down dissipation | 40 | 88 | 43 | 103 | mW |
PARAMETER | TEST CONDITIONS | ADC3421 (fS = 25 MSPS) | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|
DITHER ON | DITHER OFF | ||||||||
MIN | TYP | MAX | MIN | TYP | MAX | ||||
SNR | Signal-to-noise ratio (from 1-MHz offset) |
fIN = 10 MHz | 70.9 | 71.1 | dBFS | ||||
fIN = 20 MHz | 68.9 | 70.7 | 70.9 | ||||||
fIN = 70 MHz | 70.4 | 70.6 | |||||||
fIN = 100 MHz | 70.3 | 70.5 | |||||||
fIN = 170 MHz | 69.7 | 69.9 | |||||||
fIN = 230 MHz | 68.9 | 69.1 | |||||||
Signal-to-noise ratio (full Nyquist band) |
fIN = 10 MHz | 70.2 | 70.5 | dBFS | |||||
fIN = 20 MHz | 70.1 | 70.3 | |||||||
fIN = 70 MHz | 69.8 | 70.0 | |||||||
fIN = 100 MHz | 69.6 | 69.8 | |||||||
fIN = 170 MHz | 69.2 | 69.3 | |||||||
fIN = 230 MHz | 68.3 | 68.5 | |||||||
NSD(1) | Noise spectral density (averaged across Nyquist zone) | fIN = 10 MHz | –141.5 | –141.7 | dBFS/Hz | ||||
fIN = 20 MHz | –141.3 | –139.5 | –141.5 | ||||||
fIN = 70 MHz | –141.0 | –141.2 | |||||||
fIN = 100 MHz | –140.9 | –141.1 | |||||||
fIN = 170 MHz | –140.3 | –140.5 | |||||||
fIN = 230 MHz | –139.5 | –139.7 | |||||||
SINAD(1) | Signal-to-noise and distortion ratio | fIN = 10 MHz | 71 | 71.1 | dBFS | ||||
fIN = 20 MHz | 67.9 | 70.8 | 70.9 | ||||||
fIN = 70 MHz | 69.5 | 70 | |||||||
fIN = 100 MHz | 70.5 | 70.7 | |||||||
fIN = 170 MHz | 69.6 | 69.8 | |||||||
fIN = 230 MHz | 68.7 | 68.7 | |||||||
ENOB(1) | Effective number of bits | fIN = 10 MHz | 11.5 | 11.5 | Bits | ||||
fIN = 20 MHz | 11 | 11.4 | 11.4 | ||||||
fIN = 70 MHz | 11.4 | 11.4 | |||||||
fIN = 100 MHz | 11.4 | 11.4 | |||||||
fIN = 170 MHz | 11.3 | 11.3 | |||||||
fIN = 230 MHz | 11.1 | 11.1 | |||||||
SFDR | Spurious-free dynamic range | fIN = 10 MHz | 93 | 90 | dBc | ||||
fIN = 20 MHz | 84 | 91 | 85 | ||||||
fIN = 70 MHz | 93 | 88 | |||||||
fIN = 100 MHz | 85 | 82 | |||||||
fIN = 170 MHz | 86 | 85 | |||||||
fIN = 230 MHz | 82 | 82 | |||||||
HD2 | Second-order harmonic distortion | fIN = 10 MHz | 93 | 92 | dBc | ||||
fIN = 20 MHz | 84 | 100 | 94 | ||||||
fIN = 70 MHz | 93 | 92 | |||||||
fIN = 100 MHz | 94 | 93 | |||||||
fIN = 170 MHz | 86 | 85 | |||||||
fIN = 230 MHz | 86 | 82 | |||||||
HD3 | Third-order harmonic distortion | fIN = 10 MHz | 96 | 90 | dBc | ||||
fIN = 20 MHz | 84 | 91 | 85 | ||||||
fIN = 70 MHz | 93 | 88 | |||||||
fIN = 100 MHz | 85 | 82 | |||||||
fIN = 170 MHz | 89 | 89 | |||||||
fIN = 230 MHz | 82 | 82 | |||||||
Non HD2, HD3 |
Spurious-free dynamic range (excluding HD2, HD3) | fIN = 10 MHz | 99 | 92 | dBc | ||||
fIN = 20 MHz | 87 | 98 | 91 | ||||||
fIN = 70 MHz | 96 | 92 | |||||||
fIN = 100 MHz | 95 | 93 | |||||||
fIN = 170 MHz | 92 | 90 | |||||||
fIN = 230 MHz | 97 | 91 | |||||||
THD | Total harmonic distortion | fIN = 10 MHz | 90 | 86 | dBc | ||||
fIN = 20 MHz | 81 | 90 | 83 | ||||||
fIN = 70 MHz | 89 | 85 | |||||||
fIN = 100 MHz | 84 | 80 | |||||||
fIN = 170 MHz | 84 | 83 | |||||||
fIN = 230 MHz | 80 | 79 | |||||||
IMD3 | Two-tone, third-order intermodulation distortion | fIN1 = 45 MHz, fIN2 = 50 MHz |
–98 | –98 | dBFS | ||||
fIN1 = 185 MHz, fIN2 = 190 MHz |
–91 | –91 |
PARAMETER | TEST CONDITIONS | ADC3422 (fS = 50 MSPS) | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|
DITHER ON | DITHER OFF | ||||||||
MIN | TYP | MAX | MIN | TYP | MAX | ||||
SNR | Signal-to-noise ratio (from 1-MHz offset) |
fIN = 10 MHz | 70.8 | 71 | dBFS | ||||
fIN = 20 MHz | 68.9 | 70.6 | 70.8 | ||||||
fIN = 70 MHz | 70.5 | 70.7 | |||||||
fIN = 100 MHz | 70.4 | 70.6 | |||||||
fIN = 170 MHz | 69.8 | 70.1 | |||||||
fIN = 230 MHz | 68.8 | 69 | |||||||
Signal-to-noise ratio (full Nyquist band) |
fIN = 10 MHz | 70.2 | 70.4 | ||||||
fIN = 20 MHz | 69.8 | 70.0 | |||||||
fIN = 70 MHz | 69.7 | 69.9 | |||||||
fIN = 100 MHz | 69.8 | 70.1 | |||||||
fIN = 170 MHz | 69.3 | 69.5 | |||||||
fIN = 230 MHz | 68.2 | 68.4 | |||||||
NSD(1) | Noise spectral density (averaged across Nyquist zone) | fIN = 10 MHz | –144.6 | –144.8 | dBFS/Hz | ||||
fIN = 20 MHz | –144.4 | –142.7 | –144.6 | ||||||
fIN = 70 MHz | –144.3 | –144.5 | |||||||
fIN = 100 MHz | –144.2 | –144.4 | |||||||
fIN = 170 MHz | –143.6 | –143.9 | |||||||
fIN = 230 MHz | –142.6 | –142.8 | |||||||
SINAD(1) | Signal-to-noise and distortion ratio | fIN = 10 MHz | 70.8 | 71 | dBFS | ||||
fIN = 20 MHz | 67.9 | 70.7 | 70.9 | ||||||
fIN = 70 MHz | 70.3 | 70.6 | |||||||
fIN = 100 MHz | 70.6 | 70.8 | |||||||
fIN = 170 MHz | 69.7 | 69.9 | |||||||
fIN = 230 MHz | 68.6 | 68.8 | |||||||
ENOB(1) | Effective number of bits | fIN = 10 MHz | 11.5 | 11.5 | Bits | ||||
fIN = 20 MHz | 11 | 11.4 | 11.5 | ||||||
fIN = 70 MHz | 11.4 | 11.5 | |||||||
fIN = 100 MHz | 11.4 | 11.5 | |||||||
fIN = 170 MHz | 11.3 | 11.3 | |||||||
fIN = 230 MHz | 11.1 | 11.1 | |||||||
SFDR | Spurious-free dynamic range | fIN = 10 MHz | 90 | 92 | dBc | ||||
fIN = 20 MHz | 82 | 95 | 90 | ||||||
fIN = 70 MHz | 93 | 92 | |||||||
fIN = 100 MHz | 87 | 87 | |||||||
fIN = 170 MHz | 87 | 86 | |||||||
fIN = 230 MHz | 83 | 83 | |||||||
HD2 | Second-order harmonic distortion | fIN = 10 MHz | 95 | 92 | dBc | ||||
fIN = 20 MHz | 83 | 98 | 95 | ||||||
fIN = 70 MHz | 93 | 92 | |||||||
fIN = 100 MHz | 94 | 92 | |||||||
fIN = 170 MHz | 87 | 86 | |||||||
fIN = 230 MHz | 85 | 83 | |||||||
HD3 | Third-order harmonic distortion | fIN = 10 MHz | 90 | 92 | dBc | ||||
fIN = 20 MHz | 82 | 94 | 92 | ||||||
fIN = 70 MHz | 94 | 92 | |||||||
fIN = 100 MHz | 87 | 87 | |||||||
fIN = 170 MHz | 88 | 89 | |||||||
fIN = 230 MHz | 83 | 88 | |||||||
Non HD2, HD3 |
Spurious-free dynamic range (excluding HD2, HD3) | fIN = 10 MHz | 99 | 93 | dBc | ||||
fIN = 20 MHz | 87 | 99 | 93 | ||||||
fIN = 70 MHz | 98 | 92 | |||||||
fIN = 100 MHz | 95 | 94 | |||||||
fIN = 170 MHz | 96 | 89 | |||||||
fIN = 230 MHz | 96 | 90 | |||||||
THD | Total harmonic distortion | fIN = 10 MHz | 88 | 87 | dBc | ||||
fIN = 20 MHz | 79 | 89 | 89 | ||||||
fIN = 70 MHz | 90 | 87 | |||||||
fIN = 100 MHz | 86 | 85 | |||||||
fIN = 170 MHz | 84 | 83 | |||||||
fIN = 230 MHz | 81 | 81 | |||||||
IMD3 | Two-tone, third-order intermodulation distortion | fIN1 = 45 MHz, fIN2 = 50 MHz |
–95 | –95 | dBFS | ||||
fIN1 = 185 MHz, fIN2 = 190 MHz |
–88 | –88 |
PARAMETER | TEST CONDITIONS | ADC3423 (fS = 80 MSPS) | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|
DITHER ON | DITHER OFF | ||||||||
MIN | TYP | MAX | MIN | TYP | MAX | ||||
SNR | Signal-to-noise ratio (from 1-MHz offset) |
fIN = 10 MHz | 70.7 | 70.9 | dBFS | ||||
fIN = 70 MHz | 68.7 | 70.5 | 70.7 | ||||||
fIN = 100 MHz | 70.3 | 70.5 | |||||||
fIN = 170 MHz | 70.1 | 70.3 | |||||||
fIN = 230 MHz | 69.6 | 69.9 | |||||||
Signal-to-noise ratio (full Nyquist band) |
fIN = 10 MHz | 70.3 | 70.5 | ||||||
fIN = 70 MHz | 70.1 | 70.4 | |||||||
fIN = 100 MHz | 69.9 | 70.2 | |||||||
fIN = 170 MHz | 69.7 | 69.9 | |||||||
fIN = 230 MHz | 69.3 | 69.6 | |||||||
NSD(1) | Noise spectral density (averaged across Nyquist zone) | fIN = 10 MHz | –146.6 | –146.8 | dBFS/Hz | ||||
fIN = 70 MHz | –146.4 | –144.6 | –146.6 | ||||||
fIN = 100 MHz | –146.2 | –146.4 | |||||||
fIN = 170 MHz | –146.0 | –146.2 | |||||||
fIN = 230 MHz | –145.5 | –145.8 | |||||||
SINAD(1) | Signal-to-noise and distortion ratio | fIN = 10 MHz | 70.7 | 70.8 | dBFS | ||||
fIN = 70 MHz | 67.7 | 70.3 | 70.4 | ||||||
fIN = 100 MHz | 70.4 | 70.7 | |||||||
fIN = 170 MHz | 70 | 70.2 | |||||||
fIN = 230 MHz | 69.5 | 69.7 | |||||||
ENOB(1) | Effective number of bits | fIN = 10 MHz | 11.5 | 11.5 | Bits | ||||
fIN = 70 MHz | 11 | 11.4 | 11.4 | ||||||
fIN = 100 MHz | 11.4 | 11.5 | |||||||
fIN = 170 MHz | 11.3 | 11.4 | |||||||
fIN = 230 MHz | 11.3 | 11.3 | |||||||
SFDR | Spurious-free dynamic range | fIN = 10 MHz | 90 | 90 | dBc | ||||
fIN = 70 MHz | 81 | 91 | 90 | ||||||
fIN = 100 MHz | 93 | 93 | |||||||
fIN = 170 MHz | 88 | 86 | |||||||
fIN = 230 MHz | 87 | 85 | |||||||
HD2 | Second-order harmonic distortion | fIN = 10 MHz | 94 | 91 | dBc | ||||
fIN = 70 MHz | 81 | 96 | 92 | ||||||
fIN = 100 MHz | 97 | 93 | |||||||
fIN = 170 MHz | 88 | 86 | |||||||
fIN = 230 MHz | 87 | 85 | |||||||
HD3 | Third-order harmonic distortion | fIN = 10 MHz | 90 | 90 | dBc | ||||
fIN = 70 MHz | 81 | 91 | 90 | ||||||
fIN = 100 MHz | 93 | 99 | |||||||
fIN = 170 MHz | 96 | 93 | |||||||
fIN = 230 MHz | 87 | 87 | |||||||
Non HD2, HD3 |
Spurious-free dynamic range (excluding HD2, HD3) | fIN = 10 MHz | 99 | 94 | dBc | ||||
fIN = 70 MHz | 86 | 98 | 93 | ||||||
fIN = 100 MHz | 94 | 94 | |||||||
fIN = 170 MHz | 95 | 92 | |||||||
fIN = 230 MHz | 94 | 91 | |||||||
THD | Total harmonic distortion | fIN = 10 MHz | 88 | 86 | dBc | ||||
fIN = 70 MHz | 78 | 89 | 86 | ||||||
fIN = 100 MHz | 91 | 90 | |||||||
fIN = 170 MHz | 87 | 84 | |||||||
fIN = 230 MHz | 84 | 82 | |||||||
IMD3 | Two-tone, third-order intermodulation distortion | fIN1 = 45 MHz, fIN2 = 50 MHz |
–97 | –97 | dBFS | ||||
fIN1 = 185 MHz, fIN2 = 190 MHz |
–92 | –92 |
PARAMETER | TEST CONDITIONS | ADC3424 (fS = 125 MSPS) | UNIT | ||||||
---|---|---|---|---|---|---|---|---|---|
DITHER ON | DITHER OFF | ||||||||
MIN | TYP | MAX | MIN | TYP | MAX | ||||
SNR | Signal-to-noise ratio (from 1-MHz offset) |
fIN = 10 MHz | 70.5 | 70.7 | dBFS | ||||
fIN = 70 MHz | 68 | 70.3 | 70.6 | ||||||
fIN = 100 MHz | 70.1 | 70.4 | |||||||
fIN = 170 MHz | 69.8 | 70.3 | |||||||
fIN = 230 MHz | 69.2 | 69.9 | |||||||
Signal-to-noise ratio (full Nyquist band) |
fIN = 10 MHz | 70.3 | 70.5 | ||||||
fIN = 70 MHz | 70.1 | 70.4 | |||||||
fIN = 100 MHz | 70.0 | 70.2 | |||||||
fIN = 170 MHz | 69.6 | 70.1 | |||||||
fIN = 230 MHz | 69.0 | 69.7 | |||||||
NSD(1) | Noise spectral density (averaged across Nyquist zone) | fIN = 10 MHz | –148.4 | –148.6 | dBFS/Hz | ||||
fIN = 70 MHz | –148.2 | –145.9 | –148.5 | ||||||
fIN = 100 MHz | –148.0 | –148.3 | |||||||
fIN = 170 MHz | –147.7 | –148.2 | |||||||
fIN = 230 MHz | –147.1 | –147.8 | |||||||
SINAD(1) | Signal-to-noise and distortion ratio | fIN = 10 MHz | 70.5 | 70.6 | dBFS | ||||
fIN = 70 MHz | 67 | 70.3 | 70.5 | ||||||
fIN = 100 MHz | 70.1 | 70.5 | |||||||
fIN = 170 MHz | 69.7 | 70.1 | |||||||
fIN = 230 MHz | 68.6 | 69.1 | |||||||
ENOB(1) | Effective number of bits | fIN = 10 MHz | 11.4 | 11.4 | Bits | ||||
fIN = 70 MHz | 10.8 | 11.4 | 11.4 | ||||||
fIN = 100 MHz | 11.4 | 11.4 | |||||||
fIN = 170 MHz | 11.3 | 11.4 | |||||||
fIN = 230 MHz | 11.2 | 11.3 | |||||||
SFDR | Spurious-free dynamic range | fIN = 10 MHz | 93 | 89 | dBc | ||||
fIN = 70 MHz | 80 | 94 | 90 | ||||||
fIN = 100 MHz | 90 | 87 | |||||||
fIN = 170 MHz | 86 | 85 | |||||||
fIN = 230 MHz | 81 | 80 | |||||||
HD2 | Second-order harmonic distortion | fIN = 10 MHz | 93 | 92 | dBc | ||||
fIN = 70 MHz | 80 | 94 | 91 | ||||||
fIN = 100 MHz | 90 | 91 | |||||||
fIN = 170 MHz | 86 | 85 | |||||||
fIN = 230 MHz | 81 | 80 | |||||||
HD3 | Third-order harmonic distortion | fIN = 10 MHz | 96 | 88 | dBc | ||||
fIN = 70 MHz | 81 | 95 | 89 | ||||||
fIN = 100 MHz | 97 | 90 | |||||||
fIN = 170 MHz | 93 | 87 | |||||||
fIN = 230 MHz | 87 | 86 | |||||||
Non HD2, HD3 |
Spurious-free dynamic range (excluding HD2, HD3) | fIN = 10 MHz | 100 | 93 | dBc | ||||
fIN = 70 MHz | 86 | 99 | 94 | ||||||
fIN = 100 MHz | 94 | 93 | |||||||
fIN = 170 MHz | 95 | 92 | |||||||
fIN = 230 MHz | 94 | 90 | |||||||
THD | Total harmonic distortion | fIN = 10 MHz | 90 | 85 | dBc | ||||
fIN = 70 MHz | 77 | 90 | 85 | ||||||
fIN = 100 MHz | 88 | 86 | |||||||
fIN = 170 MHz | 85 | 82 | |||||||
fIN = 230 MHz | 80 | 78 | |||||||
IMD3 | Two-tone, third-order intermodulation distortion | fIN1 = 45 MHz, fIN2 = 50 MHz |
95 | 95 | dBFS | ||||
fIN1 = 185 MHz, fIN2 = 190 MHz |
89 | 89 |
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
DIGITAL INPUTS (RESET, SCLK, SDATA, SEN, PDN) | |||||||
VIH | High-level input voltage | All digital inputs support 1.8-V and 3.3-V CMOS logic levels | 1.3 | V | |||
VIL | Low-level input voltage | All digital inputs support 1.8-V and 3.3-V CMOS logic levels | 0.4 | V | |||
IIH | High-level input current | RESET, SDATA, SCLK, PDN | VHIGH = 1.8 V | 10 | µA | ||
SEN(1) | VHIGH = 1.8 V | 0 | µA | ||||
IIL | Low-level input current | RESET, SDATA, SCLK, PDN | VLOW = 0 V | 0 | µA | ||
SEN | VLOW = 0 V | 10 | µA | ||||
DIGITAL INPUTS (SYSREFP, SYSREFM) | |||||||
VIH | High-level input voltage | 1.3 | V | ||||
VIL | Low-level input voltage | 0.5 | V | ||||
Common-mode voltage for SYSREF | 0.9 | V | |||||
DIGITAL OUTPUTS (CMOS Interface, SDOUT) | |||||||
VOH | High-level output voltage | DVDD – 0.1 | DVDD | V | |||
VOL | Low-level output voltage | 0 | 0.1 | V | |||
DIGITAL OUTPUTS (LVDS Interface) | |||||||
VODH | High-level output differential voltage | With an external 100-Ω termination | 280 | 350 | 460 | mV | |
VODL | Low-level output differential voltage | With an external 100-Ω termination | –460 | –350 | –280 | mV | |
VOCM | Output common-mode voltage | 1.05 | V |
MIN | TYP | MAX | UNIT | |||
---|---|---|---|---|---|---|
tA | Aperture delay | 1.24 | 1.44 | 1.64 | ns | |
Aperture delay matching between two channels of the same device | ±70 | ps | ||||
Aperture delay variation between two devices at same temperature and supply voltage | ±150 | ps | ||||
tJ | Aperture jitter | 130 | fS rms | |||
Wake-up time: | Time to valid data after exiting standby power-down mode | 35 | 200 | µs | ||
Time to valid data after exiting global power-down mode (in this mode, both channels power down) |
85 | 450 | µs | |||
ADC latency(6): | 2-wire mode (default) | 9 | Clock cycles | |||
1-wire mode | 8 | Clock cycles | ||||
tSU_SYSREF | SYSREF reference time: | Setup time for SYSREF referenced to input clock rising edge | 1000 | ps | ||
tH_SYSREF | Hold time for SYSREF referenced to input clock rising edge | 100 | ps |
MIN | TYP | MAX | UNIT | |||
---|---|---|---|---|---|---|
tSU | Data setup time: data valid to zero-crossing of differential output clock (CLKOUTP – CLKOUTM)(5) | 0.43 | 0.5 | ns | ||
tHO | Data hold time: zero-crossing of differential output clock (CLKOUTP – CLKOUTM) to data becoming invalid(5) |
0.48 | 0.58 | ns | ||
tPDI | Clock propagation delay: input clock falling edge cross-over to frame clock rising edge cross-over (15 MSPS < sampling frequency < 125 MSPS) |
1-wire mode | 2.7 | 4.5 | 6.5 | ns |
2-wire mode | 0.44 × tS + tDELAY | ns | ||||
tDELAY | Delay time | 3 | 4.5 | 5.9 | ns | |
LVDS bit clock duty cycle: duty cycle of differential clock (CLKOUTP – CLKOUTM) |
49% | |||||
tFALL, tRISE |
Data fall time, data rise time: rise time measured from –100 mV to 100 mV, 15 MSPS ≤ Sampling frequency ≤ 125 MSPS |
0.11 | ns | |||
tCLKRISE, tCLKFALL |
Output clock rise time, output clock fall time: rise time measured from –100 mV to 100 mV, 15 MSPS ≤ Sampling frequency ≤ 125 MSPS |
0.11 | ns |
SAMPLING FREQUENCY (MSPS) |
SETUP TIME (tSU, ns) |
HOLD TIME (tHO, ns) |
||||
---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | TYP | MAX | |
25 | 2.61 | 3.06 | 2.75 | 3.12 | ||
40 | 1.69 | 1.9 | 1.8 | 1.98 | ||
60 | 1.11 | 1.23 | 1.18 | 1.31 | ||
80 | 0.81 | 0.89 | 0.88 | 0.97 | ||
100 | 0.6 | 0.68 | 0.68 | 0.77 |
SAMPLING FREQUENCY (MSPS) |
SETUP TIME (tSU, ns) |
HOLD TIME (tHO, ns) |
||||
---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | TYP | MAX | |
25 | 1.3 | 1.48 | 1.32 | 1.57 | ||
40 | 0.76 | 0.88 | 0.79 | 0.97 | ||
50 | 0.57 | 0.68 | 0.61 | 0.77 | ||
60 | 0.42 | 0.55 | 0.45 | 0.62 | ||
70 | 0.35 | 0.44 | 0.4 | 0.51 | ||
80 | 0.26 | 0.35 | 0.35 | 0.43 |
SFDR = 95 dBc, SNR = 71 dBFS, SINAD = 71 dBFS, THD = 94 dBc, HD2 = 106 dBc, HD3 = 95 dBc |
SFDR = 92 dBc, SNR = 70.5 dBFS, SINAD = 70.3 dBFS, THD = 91 dBc, HD2 = 105 dBc, HD3 = 92 dBc |
SFDR = 87 dBc, SNR = 69.8 dBFS, SINAD = 69.7 dBFS, THD = 85 dBc, HD2 = 90 dBc, HD3 = 87 dBc |
SFDR = 77 dBc, SNR = 68.2 dBFS, SINAD = 67.7 dBFS, THD = 75 dBc, HD2 = 77 dBc, HD3 = 83 dBc |
SFDR = 67 dBc, SNR = 66.4 dBFS, SINAD = 66.4 dBFS, THD = 93 dBc, HD2 = 67 dBc, HD3 = 88 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 90, each tone at = –7 dBFS |
fIN1 = 184.5 MHz, fIN2 = 189.5 MHz, IMD3 = 91, each tone at = –7 dBFS |
SFDR = 90 dBc, SNR = 71.2 dBFS, SINAD = 71.1 dBFS, THD = 89 dBc, HD2 = 90 dBc, HD3 = 106 dBc |
SFDR = 91 dBc, SNR = 70.7 dBFS, SINAD = 70.6 dBFS, THD = 88 dBc, HD2 = 91 dBc, HD3 = 101 dBc |
SFDR = 85 dBc, SNR = 70 dBFS, SINAD = 69.8 dBFS, THD = 86 dBc, HD2 = 85 dBc, HD3 = 92 dBc |
SFDR = 75 dBc, SNR = 68.4 dBFS, SINAD = 67.5 dBFS, THD = 74 dBc, HD2 = 75 dBc, HD3 = 80 dBc |
SFDR = 66 dBc, SNR = 66.5 dBFS, SINAD = 66.5 dBFS, THD = 87 dBc, HD2 = 66 dBc, HD3 = 93 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 105, each tone at = –36 dBFS |
fIN1 = 184.5 MHz, fIN2 = 189.5 MHz, IMD3 = 98 dBFS, each tone at –36 dBFS |
SFDR = 89 dBc, SNR = 70.9 dBFS, SINAD = 70.8 dBFS, THD = 88 dBc, HD2 = 110 dBc, HD3 = 89 dBc |
SFDR = 101 dBc, SNR = 70.6 dBFS, SINAD = 70.5 dBFS, THD = 98 dBc, HD2 = 106 dBc, HD3 = 101 dBc |
SFDR = 86 dBc, SNR = 69.9 dBFS, SINAD = 69.8 dBFS, THD = 85 dBc, HD2 = 93 dBc, HD3 = 86 dBc |
SFDR = 75 dBc, SNR = 69 dBFS, SINAD = 67.9 dBFS, THD = 74 dBc, HD2 = 75 dBc, HD3 = 81 dBc |
SFDR = 68 dBc, SNR = 67.2 dBFS, SINAD = 67.1 dBFS, THD = –86 dBc, HD2 = 75 dBc, HD3 = 73 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 102 dBFS, each tone at –7 dBFS |
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 95 dBFS, each tone at –7 dBFS |
SFDR = 85 dBc, SNR = 71.2 dBFS, SINAD = 70.9 dBFS, THD = 83 dBc, HD2 = 92 dBc, HD3 = 85 dBc |
SFDR = 90 dBc, SNR = 70.8 dBFS, SINAD = 70.6 dBFS, THD = 87 dBc, HD2 = 91 dBc, HD3 = 90 dBc |
SFDR = 85 dBc, SNR = 70.1 dBFS, SINAD = 70 dBFS, THD = 86 dBc, HD2 = 85 dBc ,HD3 = 112 dBc |
SFDR = 75 dBc, SNR = 69.2 dBFS, SINAD = 67.9 dBFS, THD = 73 dBc, HD2 = 75 dBc, HD3 = 81 dBc |
SFDR = 68 dBc, SNR = 67.5 dBFS, SINAD = 67.4 dBFS, THD = –87 dBc, HD2 = –68 dBc, HD3 = –87 dBc |
fIN1 = 46.3 MHz, fIN2 = 50.3 MHz, IMD3 = 110 dBFS, each tone at –36 dBFS |
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 105 dBFS, each tone at –36 dBFS |
SFDR = 89 dBc, SNR = 70.7 dBFS, SINAD = 70.6 dBFS, THD = 89 dBc, HD2 = 108 dBc, HD3 = 89 dBc |
SFDR = 92 dBc, SNR = 70.5 dBFS, SINAD = 70.4 dBFS, THD = 91 dBc, HD2 = 112 dBc, HD3 = 92 dBc |
SFDR = 87 dBc, SNR = 70.2 dBFS, SINAD = 70.1 dBFS, THD = 93 dBc, HD2 = 102 dBc, HD3 = 87 dBc |
SFDR = 76 dBc, SNR = 69.2 dBFS, SINAD = 68.3 dBFS, THD = 75 dBc, HD2 = 76 dBc, HD3 = 81 dBc |
SFDR = 68 dBc, SNR = 67.5 dBFS, SINAD = 67.1 dBFS, THD = 77 dBc, HD2 = 68 dBc, HD3 = 89 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 98 dBFS, each tone at –7 dBFS |
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 90 dBFS, each tone at –7 dBFS |
SFDR = 84 dBc, SNR = 70.9 dBFS, SINAD = 70.7 dBFS, THD = 83 dBc, HD2 = 92 dBc, HD3 = 84 dBc |
SFDR = 86 dBc, SNR = 70.7 dBFS, SINAD = 70.5 dBFS, THD = 84 dBc, HD2 = 92 dBc, HD3 = 86 dBc |
SFDR = 86 dBc, SNR = 70.5 dBFS, SINAD = 70.4 dBFS, THD = 88 dBc, HD2 = 86 dBc, HD3 = 97 dBc |
SFDR = 75 dBc, SNR = 69.5 dBFS, SINAD = 68.4 dBFS, THD = 75 dBc, HD2 = 75 dBc, HD3 = 82 dBc |
SFDR = 67 dBc SNR = 67.7 dBFS, SINAD = 67.3 dBFS, THD = 77 dBc, HD2 = 67 dBc, HD3 = 84 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 105 dBFS, each tone at –36 dBFS |
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 105 dBFS, each tone at –36 dBFS |
SFDR = 97 dBc, SNR = 70.4 dBFS, SINAD = 70.4 dBFS, THD = 98 dBc, HD2 = 95 dBc, HD3 = 97 dBc |
SFDR = 99 dBc, SNR = 70.3 dBFS, SINAD = 70.3 dBFS, THD = 95 dBc, HD2 = 103 dBc, HD3 = 99 dBc |
SFDR = 86 dBc, SNR = 69.8 dBFS, SINAD = 69.8 dBFS, THD = 91 dBc, HD2 = 86 dBc, HD3 = 101 dBc |
SFDR = 76 dBc, SNR = 68.94 dBFS, SINAD = 68.4 dBFS, THD = 75 dBc, HD2 = 76 dBc, HD3 = 81 dBc |
SFDR = 71 dBc, SNR = 67.2 dBFS, SINAD = 66.5 dBFS, THD = 74 dBc, HD2 = 71 dBc, HD3 = 79 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 100 dBFS, each tone at –7 dBFS |
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 86 dBFS, each tone at –7 dBFS |
SFDR = 91 dBc, SNR = 70.7 dBFS, SINAD = 70.6 dBFS, THD = 86 dBc, HD2 = 92 dBc, HD3 = 91 dBc |
SFDR = 91 dBc, SNR = 70.6 dBFS, SINAD = 70.6 dBFS, THD = 87 dBc, HD2 = 91 dBc, HD3 = 95 dBc |
SFDR = 85 dBc, SNR = 70.3 dBFS, SINAD = 70.2 dBFS, THD = 88 dBc, HD2 = 99 dBc, HD3 = 85 dBc |
SFDR = 76 dBc, SNR = 69.3 dBFS, SINAD = 68.6 dBFS, THD = 75 dBc, HD2 = 76 dBc, HD3 = 82 dBc |
SFDR = 69 dBc, SNR = 67.8 dBFS, SINAD = 66.8 dBFS, THD = 73 dBc, HD2 = 77 dBc, HD3 = 69 dBc |
fIN1 = 46 MHz, fIN2 = 50 MHz, IMD3 = 99 dBFS, each tone at –36 dBFS |
fIN1 = 185 MHz, fIN2 = 190 MHz, IMD3 = 102 dBFS, each tone at –36 dBFS |
fIN = 30 MHz, AIN = –1 dBFS, test signal amplitude = 50 mVPP |
fIN = 30 MHz, AIN = –1 dBFS, test signal amplitude = 50 mVPP |
fIN = 30.1 MHz, fPSRR = 3 MHz, APSRR = 50 mVPP, SINAD = 58.51 dBFS, SFDR = 60 dBc |
fIN = 170.1 MHz, fCMRR = 5 MHz, ACMRR = 50 mVPP, SINAD = 69.66 dBFS, SFDR = 75 dBc |