SBAS884A March 2020 – June 2020 PCM6240-Q1 , PCM6260-Q1 , PCM6340-Q1 , PCM6360-Q1
PRODUCTION DATA.
PARAMETER | TEST CONDITIONS | MIN | NOM | MAX | UNIT | ||
---|---|---|---|---|---|---|---|
ADC PERFORMANCE FOR LINE INPUT RECORDING | |||||||
Differential input full-scale AC signal voltage | AC-coupled input, input fault diagnostic not supported | 10 | VRMS | ||||
DC-coupled input, DC common-mode voltage INxP = INxM = 7.1 V, input fault diagnostic not supported | |||||||
Single-ended input full-scale AC signal voltage | AC-coupled input, input fault diagnostic not supported | 5 | VRMS | ||||
DC-coupled input, DC common-mode voltage INxP = INxM = 7.1 V, input fault diagnostic not supported | |||||||
SNR | Signal-to-noise ratio, A-weighted(1)(2) | IN1 differential AC-coupled input selected and AC signal shorted to ground, 0-dB channel gain | 105 | 110 | dB | ||
IN1 differential DC-coupled input selected and AC signal shorted to ground, 0-dB channel gain | 110 | ||||||
IN1 differential DC-coupled input selected and AC signal shorted to ground, 12-dB channel gain | 101 | ||||||
DR | Dynamic range, A-weighted(2) | IN1 differential AC-coupled input selected and –60-dB full-scale AC signal input, 0-dB channel gain | 110 | dB | |||
IN1 differential DC-coupled input selected and –60-dB full-scale AC signal input, 0-dB channel gain | 110 | ||||||
IN1 differential DC-coupled input selected and –72-dB full-scale AC signal input, 12-dB channel gain | 101 | ||||||
THD+N | Total harmonic distortion(2) | IN1 differential AC-coupled input selected and –1-dB full-scale AC signal input, 0-dB channel gain | –95 | –78 | dB | ||
IN1 differential DC-coupled input selected and –1-dB full-scale AC signal input, 0-dB channel gain | –95 | ||||||
IN1 differential DC-coupled input selected and –13-dB full-scale AC signal input, 12-dB channel gain | –91 | ||||||
Channel gain control range | Programmable 1-dB steps | 0 | 42 | dB | |||
ADC PERFORMANCE FOR MICROPHONE INPUT RECORDING | |||||||
Differential input full-scale AC signal voltage(3) | AC-coupled input, input fault diagnostic not supported. CHx_MIC_RANGE register bit is set to high. | 10 | VRMS | ||||
DC-coupled input, DC differential common-mode voltage INxP – INxM > 3.4 V, DC common-mode voltage INxP < (MICBIAS – 1.7 V) and DC common-mode voltage INxM > 1.7 V. CHx_MIC_RANGE register bit is set to high to support AC differential signal max swing > 2 Vrms(4). | |||||||
SNR | Signal-to-noise ratio, A-weighted(1)(2) | IN1 differential AC-coupled input selected and AC signal shorted to ground, 0-dB channel gain | 110 | dB | |||
IN1 differential DC-coupled input selected and AC-signal shorted to ground, DC differential common-mode voltage IN1P – IN1M < 5.0 V, 0-dB channel gain | 105 | 110 | |||||
DR | Dynamic range, A-weighted(2) | IN1 differential AC-coupled input selected and –60-dB full-scale AC signal input, 0-dB channel gain | 110 | dB | |||
IN1 differential DC-coupled input selected and –60-dB full-scale AC signal input, DC differential common-mode voltage IN1P – IN1M < 5.0 V, 0-dB channel gain | 110 | ||||||
THD+N | Total harmonic distortion(2) | IN1 differential AC-coupled input selected and –1-dB full-scale AC signal input, 0-dB channel gain | –92 | dB | |||
IN1 differential DC-coupled input selected and –15-dB full-scale AC signal input, 0-dB channel gain | –90 | –78 | |||||
Channel gain control range | Programmable 1-dB steps | 0 | 42 | dB | |||
ADC OTHER PARAMETERS | |||||||
Input impedance | Differential input, between INxP and INxM | 50 | kΩ | ||||
Single-ended input, between INxP and INxM | 25 | ||||||
Digital volume control range | Programmable 0.5-dB steps | –100 | 27 | dB | |||
Output data sample rate | Programmable | 7.35 | 768 | kHz | |||
Output data sample word length | Programmable | 16 | 32 | Bits | |||
Digital high-pass filter cutoff frequency | First-order IIR filter with programmable coefficients,
–3-dB point (default setting) |
12 | Hz | ||||
Interchannel isolation | –1-dB full-scale AC signal line-in input to non measurement channel | –134 | dB | ||||
Interchannel gain mismatch | –6-dB full-scale AC signal line-in input, 0-dB channel gain | 0.1 | dB | ||||
Interchannel phase mismatch | 1-kHz sinusoidal signal | 0.01 | Degrees | ||||
PSRR | Power-supply rejection ratio | 100-mVPP, 1-kHz sinusoidal signal on AVDD, differential input selected, 0-dB channel gain | 92 | dB | |||
CMRR | Common-mode rejection ratio | Differential microphone input selected, 0-dB channel gain, 1-VRMS AC input, 1-kHz signal on both pins and measure level at output, CHx_CFG0 D3-2 register bits set to 2b'10 to configure device in high CMRR performance mode | 70 | dB | |||
MICROPHONE BIAS | |||||||
MICBIAS noise | BW = 20 Hz to 20 kHz, A-weighted, 1-μF capacitor between MICBIAS and AVSS | 6.8 | µVRMS | ||||
MICBIAS voltage | Programmable 0.5-V steps | 5 | 9 | V | |||
MICBIAS current drive | MICBIAS voltage 9 V | 80 | mA | ||||
MICBIAS load regulation | MICBIAS voltage 9 V, measured up to maximum load | 0 | 1 | % | |||
MICBIAS over current protection threshold | MICBIAS voltage 9 V | 82 | mA | ||||
INPUT DIAGNOSTICS | |||||||
Fault monitoring repetition rate | Programmable, DC-coupled input | 1 | 4 | 8 | ms | ||
Fault response time | Fault monitoring repetition rate 4-ms, DC-coupled input | 16 | ms | ||||
Threshold voltage for (INxx – AVSS) input shorted to ground | Programmable 60-mV steps, DC-coupled input | 0 | 900 | mV | |||
Threshold voltage for (INxP – INxM) input shorted together | Programmable 30-mV steps, DC-coupled input | 0 | 450 | mV | |||
Threshold voltage for (MICBIAS – INxx) input shorted to MICBIAS | Programmable 30-mV steps, DC-coupled input | 0 | 450 | mV | |||
Threshold voltage for (VBAT – INxx) input shorted to VBAT_IN | Programmable 30-mV steps, DC-coupled input | 0 | 450 | mV | |||
DIGITAL I/O | |||||||
VIL(SHDNZ) | Low-level digital input logic voltage threshold | SHDNZ pin | –0.3 | 0.25 × IOVDD | V | ||
VIH(SHDNZ) | High-level digital input logic voltage threshold | SHDNZ pin | 0.75 × IOVDD | IOVDD + 0.3 | V | ||
VIL | Low-level digital input logic voltage threshold | All digital pins except SDA and SCL, IOVDD 1.8-V operation | –0.3 | 0.35 × IOVDD | V | ||
All digital pins except SDA and SCL, IOVDD 3.3-V operation | –0.3 | 0.8 | |||||
VIH | High-level digital input logic voltage threshold | All digital pins except SDA and SCL, IOVDD 1.8-V operation | 0.65 × IOVDD | IOVDD + 0.3 | V | ||
All digital pins except SDA and SCL, IOVDD 3.3-V operation | 2 | IOVDD + 0.3 | |||||
VOL | Low-level digital output voltage | All digital pins except SDA and SCL, IOL = –2 mA, IOVDD 1.8-V operation | 0.45 | V | |||
All digital pins except SDA and SCL, IOL = –2 mA, IOVDD 3.3-V operation | 0.4 | ||||||
VOH | High-level digital output voltage | All digital pins except SDA and SCL, IOH = 2 mA, IOVDD 1.8-V operation | IOVDD – 0.45 | V | |||
All digital pins except SDA and SCL, IOH = 2 mA, IOVDD 3.3-V operation | 2.4 | ||||||
VIL(I2C) | Low-level digital input logic voltage threshold | SDA and SCL | –0.5 | 0.3 × IOVDD | V | ||
VIH(I2C) | High-level digital input logic voltage threshold | SDA and SCL | 0.7 × IOVDD | IOVDD + 0.5 | V | ||
VOL1(I2C) | Low-level digital output voltage | SDA, IOL(I2C) = –3 mA, IOVDD > 2 V | 0.4 | V | |||
VOL2(I2C) | Low-level digital output voltage | SDA, IOL(I2C) = –2 mA, IOVDD ≤ 2 V | 0.2 x IOVDD | V | |||
IOL(I2C) | Low-level digital output current | SDA, VOL(I2C) = 0.4 V, standard-mode or fast-mode | 3 | mA | |||
SDA, VOL(I2C) = 0.4 V, fast-mode plus | 20 | ||||||
IIL | Input logic-low leakage for digital inputs | All digital pins, input = 0 V | –5 | 0.1 | 5 | µA | |
IIH | Input logic-high leakage for digital inputs | All digital pins, input = IOVDD | –5 | 0.1 | 5 | µA | |
CIN | Input capacitance for digital inputs | All digital pins | 5 | pF | |||
RPD | Pulldown resistance for digital I/O pins when asserted on | 20 | kΩ | ||||
TYPICAL SUPPLY CURRENT CONSUMPTION | |||||||
IAVDD | Current consumption in hardware shutdown mode | SHDNZ = 0, all device external clocks stopped | 0.5 | µA | |||
IBSTVDD, or IHVDD | 0.1 | ||||||
IIOVDD | 0.1 | ||||||
IAVDD | Current consumption in sleep mode (software shutdown mode) | All device external clocks stopped | 4 | µA | |||
IBSTVDD, or IHVDD | 0.1 | ||||||
IIOVDD | 0.1 | ||||||
IAVDD | Current consumption when MICBIAS ON, MICBIAS voltage 9 V, 40 mA load, ADC off | fS = 48 kHz, BCLK = 256 × fS | 2.1 | mA | |||
IBSTVDD | 162.5 | ||||||
IHVDD | 41.1 | ||||||
IIOVDD | 0.01 | ||||||
IAVDD | Current consumption with ADC 2-channel operation at fS 16-kHz, MICBIAS off, PLL on, BCLK = 512 × fS | 13.5 | mA | ||||
IBSTVDD, or IHVDD | 0 | ||||||
IIOVDD | 0.1 | ||||||
IAVDD | Current consumption with ADC 2-channel operation at fS 48-kHz, MICBIAS off, PLL off, BCLK = 512 × fS | 13.5 | mA | ||||
IBSTVDD, or IHVDD | 0 | ||||||
IIOVDD | 0.1 | ||||||
IAVDD | Current consumption with ADC 4-channel operation at fS 48-kHz, MICBIAS off, PLL on, BCLK = 256 × fS | 24.7 | mA | ||||
IBSTVDD, or IHVDD | 0 | ||||||
IIOVDD | 0.2 | ||||||
IAVDD | Current consumption with ADC 6-channel operation at fS 48 kHz, MICBIAS off, PLL on, BCLK = 256 × fS, (PCM6x60-Q1) | 34.2 | mA | ||||
IBSTVDD, or IHVDD | 0 | ||||||
IIOVDD | 0.4 |