(VS = ±5 V, TA = 25°C, RL = 2 kΩ, AV = +1. Typical Values Unless Specified).
The LMH664X family true single supply voltage feedback amplifiers offer high speed (130 MHz), low distortion (−62 dBc), and exceptionally high output current (approximately 75 mA) at low cost and with reduced power consumption when compared against existing devices with similar performance.
Input common mode voltage range extends to 0.5 V below V− and 1 V from V+. Output voltage range extends to within 40 mV of either supply rail, allowing wide dynamic range especially desirable in low voltage applications. The output stage is capable of approximately 75 mA in order to drive heavy loads. Fast output Slew Rate (130 V/µs) ensures large peak-to-peak output swings can be maintained even at higher speeds, resulting in exceptional full power bandwidth of 40 MHz with a 3 V supply. These characteristics, along with low cost, are ideal features for a multitude of industrial and commercial applications.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
LMH6642 | SOT-23 (5) | 2.90 mm × 1.60 mm |
SOIC (8) | 4.90 mm × 3.91 mm | |
LMH6643 | SOIC (8) | 3.00 mm × 3.00 mm |
VSSOP (8) | ||
LMH6644 | SOIC (14) | 8.64 mm × 3.91 mm |
TSSOP (14) | 5.00 mm × 4.40 mm |
Changes from P Revision (March 2013) to Q Revision
Changes from O Revision (March 2013) to P Revision
Careful attention has been paid to ensure device stability under all operating voltages and modes. The result is a very well behaved frequency response characteristic (0.1dB gain flatness up the 12 MHz under 150 Ω load and AV = +2) with minimal peaking (typically 2dB maximum) for any gain setting and under both heavy and light loads. This along with fast settling time (68ns) and low distortion allows the device to operate well in an ADC buffer as well as high frequency filter applications.
This device family offers professional quality video performance with low DG (0.01%) and DP (0.01°) characteristics. Differential Gain and Differential Phase characteristics are also well maintained under heavy loads (150 Ω) and throughout the output voltage range. The LMH664X family is offered in single (LMH6642), dual (LMH6643), and quad (LMH6644) options.
PIN | I/O | DESCRIPTION | ||||
---|---|---|---|---|---|---|
NAME | LMH6642 | LMH6643 | LMH6644 | |||
DBV05A | D08A | DGK08A | D14A and PW14A | |||
-IN | 4 | 2 | I | Inverting Input | ||
+IN | 3 | 3 | I | Non-inverting Input | ||
-IN A | 2 | 2 | I | ChA Inverting Input | ||
+IN A | 3 | 3 | I | ChA Non-inverting Input | ||
-IN B | 6 | 6 | I | ChB Inverting Input | ||
+IN B | 5 | 5 | I | ChB Non-inverting Input | ||
-IN C | 9 | I | ChC Inverting Input | |||
+IN C | 10 | I | ChC Non-inverting Input | |||
-IN D | 13 | I | ChD Inverting Input | |||
+IN D | 12 | I | ChD Non-inverting Input | |||
N/C | 1,5,8 | –– | No connection | |||
OUT A | 1 | 1 | O | ChA Output | ||
OUT B | 7 | 7 | O | ChB Output | ||
OUT C | 8 | O | ChC Output | |||
OUT D | 14 | O | ChD Output | |||
OUTPUT | 1 | 6 | O | Output | ||
V- | 2 | 4 | 4 | 11 | I | Negative Supply |
V+ | 5 | 7 | 8 | 4 | I | Positive Supply |
MIN | MAX | UNIT | ||
---|---|---|---|---|
VIN Differential | ±2.5 | V | ||
Output Short Circuit Duration | See (4) and (6) | |||
Supply Voltage (V+ - V−) | 13.5 | V | ||
Voltage at Input/Output pins | V+ +0.8 V− −0.8 |
V | ||
Input Current | ±10 | mA | ||
Junction Temperature(5) | +150 | °C | ||
Soldering Information | Infrared or Convection Reflow (20 sec) | 235 | °C | |
Wave Soldering Lead Temp.(10 sec) | 260 | °C |
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
Tstg | Storage temperature range | −65 | +150 | °C | |
V(ESD) | Electrostatic discharge(3) | Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) | 2000 | V | |
Machine model (MM)(3) | 200 | ||||
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) | 1000 |
MIN | MAX | UNIT | ||
---|---|---|---|---|
Supply Voltage (V+ – V−) | 2.7 | 12.8 | V | |
Operating Temperature Range(2) | −40 | +85 | °C |
THERMAL METRIC(1) | LMH6642 | LMH6643 | LMH6644 | UNIT | |||
---|---|---|---|---|---|---|---|
DBV05A | D08A | DGK08A | D14A | PW14A | |||
5 PINS | 8 PINS | 8 PINS | 14 PINS | 14 PINS | |||
RθJA | Junction-to-ambient Thermal Resistance(2) | 265 | 190 | 235 | 145 | 155 | °C/W |
PARAMETER | TEST CONDITIONS | AT TEMPERATURE EXTREMES |
V+ = 3V, V− = 0V, VCM = VO = V+/2, VID RL = 2 kΩ to V+/2 |
UNIT | |||||
---|---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN(1) | TYP(2) | MAX(1) | ||||
BW | −3dB BW | AV = +1, VOUT = 200mVPP | 80 | 115 | MHz | ||||
AV = +2, −1, VOUT = 200mVPP | 46 | ||||||||
BW0.1dB | 0.1dB Gain Flatness | AV = +2, RL = 150Ω to V+/2, Rf = 402Ω, VOUT = 200mVPP |
19 | MHz | |||||
PBW | Full Power Bandwidth | AV = +1, −1dB, VOUT = 1VPP | 40 | MHz | |||||
en | Input-Referred Voltage Noise | f = 100kHz | 17 | nV/√Hz | |||||
f = 1kHz | 48 | ||||||||
in | Input-Referred Current Noise | f = 100kHz | 0.90 | pA/√Hz | |||||
f = 1kHz | 3.3 | ||||||||
THD | Total Harmonic Distortion | f = 5MHz, VO = 2VPP, AV = −1, RL = 100Ω to V+/2 |
−48 | dBc | |||||
DG | Differential Gain | VCM = 1V, NTSC, AV = +2 RL =150Ω to V+/2 |
0.17% | ||||||
RL =1kΩ to V+/2 | 0.03% | ||||||||
DP | Differential Phase | VCM = 1V, NTSC, AV = +2 RL =150Ω to V+/2 |
0.05 | deg | |||||
RL =1kΩ to V+/2 | 0.03 | ||||||||
CT Rej. | Cross-Talk Rejection | f = 5MHz, Receiver: Rf = Rg = 510Ω, AV = +2 |
47 | dB | |||||
TS | Settling Time | VO = 2VPP, ±0.1%, 8pF Load, VS = 5V |
68 | ns | |||||
SR | Slew Rate (3) | AV = −1, VI = 2VPP | 90 | 120 | V/µs | ||||
VOS | Input Offset Voltage | For LMH6642 and LMH6644 | ±7 | ±1 | ±5 | mV | |||
For LMH6643 | ±7 | ±1 | ±3.4 | ||||||
TC VOS | Input Offset Average Drift | See (4) | ±5 | µV/°C | |||||
IB | Input Bias Current | See (5) | −3.25 | −1.50 | −2.60 | µA | |||
IOS | Input Offset Current | 1000 | 20 | 800 | nA | ||||
RIN | Common Mode Input Resistance | 3 | MΩ | ||||||
CIN | Common Mode Input Capacitance | 2 | pF | ||||||
CMVR | Input Common-Mode Voltage Range | CMRR ≥ 50dB | −0.1 | −0.5 | −0.2 | V | |||
1.6 | 1.8 | 2.0 | |||||||
CMRR | Common Mode Rejection Ratio | VCM Stepped from 0V to 1.5V | 72 | 95 | dB | ||||
AVOL | Large Signal Voltage Gain | VO = 0.5V to 2.5V RL = 2kΩ to V+/2 |
75 | 80 | 96 | dB | |||
VO = 0.5V to 2.5V RL = 150Ω to V+/2 |
70 | 74 | 82 | ||||||
VO | Output Swing High |
RL = 2kΩ to V+/2, VID = 200mV | 2.90 | 2.98 | V | ||||
RL = 150Ω to V+/2, VID = 200mV | 2.80 | 2.93 | |||||||
Output Swing Low |
RL = 2kΩ to V+/2, VID = −200mV | 25 | 75 | mV | |||||
RL = 150Ω to V+/2, VID = −200mV | 75 | 150 | |||||||
ISC | Output Short Circuit Current | Sourcing to V+/2 VID = 200mV (6) |
35 | 50 | 95 | mA | |||
Sinking to V+/2 VID = −200mV (6) |
40 | 55 | 110 | ||||||
IOUT | Output Current | VOUT = 0.5V from either supply | ±65 | mA | |||||
+PSRR | Positive Power Supply Rejection Ratio | V+ = 3.0V to 3.5V, VCM = 1.5V | 75 | 85 | dB | ||||
IS | Supply Current (per channel) | No Load | 4.50 | 2.70 | 4.00 | mA |
PARAMETER | TEST CONDITIONS | AT TEMPERATURE EXTREMES | V+ = 5V, V− = 0V, VCM = VO = V+/2, VID RL = 2kΩ to V+/2 |
UNIT | |||||
---|---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN(1) | TYP(2) | MAX(1) | ||||
BW | −3dB BW | AV = +1, VOUT = 200mVPP | 90 | 120 | MHz | ||||
AV = +2, −1, VOUT = 200mVPP | 46 | ||||||||
BW0.1dB | 0.1dB Gain Flatness | AV = +2, RL = 150Ω to V+/2, Rf = 402Ω, VOUT = 200mVPP |
15 | MHz | |||||
PBW | Full Power Bandwidth | AV = +1, −1dB, VOUT = 2VPP | 22 | MHz | |||||
en | Input-Referred Voltage Noise | f = 100kHz | 17 | nV/√Hz | |||||
f = 1kHz | 48 | ||||||||
in | Input-Referred Current Noise | f = 100kHz | 0.90 | pA/√Hz | |||||
f = 1kHz | 3.3 | ||||||||
THD | Total Harmonic Distortion | f = 5MHz, VO = 2VPP, AV = +2 | −60 | dBc | |||||
DG | Differential Gain | NTSC, AV = +2 RL =150Ω to V+/2 |
0.16% | ||||||
RL = 1kΩ to V+/2 | 0.05% | ||||||||
DP | Differential Phase | NTSC, AV = +2 RL = 150Ω to V+/2 |
0.05 | deg | |||||
RL = 1kΩ to V+/2 | 0.01 | ||||||||
CT Rej. | Cross-Talk Rejection | f = 5MHz, Receiver: Rf = Rg = 510Ω, AV = +2 |
47 | dB | |||||
TS | Settling Time | VO = 2VPP, ±0.1%, 8pF Load | 68 | ns | |||||
SR | Slew Rate (3) | AV = −1, VI = 2VPP | 95 | 125 | V/µs | ||||
VOS | Input Offset Voltage | For LMH6642 and LMH6644 | ±7 | ±1 | ±5 | mV | |||
For LMH6643 | ±7 | ±1 | ±3.4 | ||||||
TC VOS | Input Offset Average Drift | See (4) | ±5 | µV/°C | |||||
IB | Input Bias Current | See (5) | −3.25 | −1.70 | −2.60 | µA | |||
IOS | Input Offset Current | 1000 | 20 | 800 | nA | ||||
RIN | Common Mode Input Resistance | 3 | MΩ | ||||||
CIN | Common Mode Input Capacitance | 2 | pF | ||||||
CMVR | Input Common-Mode Voltage Range | CMRR ≥ 50dB | −0.1 | −0.5 | −0.2 | V | |||
3.6 | 3.8 | 4.0 | |||||||
CMRR | Common Mode Rejection Ratio | VCM Stepped from 0V to 3.5V | 72 | 95 | dB | ||||
AVOL | Large Signal Voltage Gain | VO = 0.5V to 4.50V RL = 2kΩ to V+/2 |
82 | 86 | 98 | dB | |||
VO = 0.5V to 4.25V RL = 150Ω to V+/2 |
72 | 76 | 82 | ||||||
VO | Output Swing High |
RL = 2kΩ to V+/2, VID = 200mV | 4.90 | 4.98 | V | ||||
RL = 150Ω to V+/2, VID = 200mV | 4.65 | 4.90 | |||||||
Output Swing Low |
RL = 2kΩ to V+/2, VID = −200mV | 25 | 100 | mV | |||||
RL = 150Ω to V+/2, VID = −200mV | 100 | 150 | |||||||
ISC | Output Short Circuit Current | Sourcing to V+/2 VID = 200mV (6)(7) |
40 | 55 | 115 | mA | |||
Sinking to V+/2 VID = −200mV (6)(7) |
55 | 70 | 140 | ||||||
IOUT | Output Current | VO = 0.5V from either supply | ±70 | mA | |||||
+PSRR | Positive Power Supply Rejection Ratio | V+ = 4.0V to 6V | 79 | 90 | dB | ||||
IS | Supply Current (per channel) | No Load | 5.00 | 2.70 | 4.25 | mA |
PARAMETER | TEST CONDITIONS | AT TEMPERATURE EXTREMES | V+ = 5V, V− = −5V, VCM = VO = 0V, VID |
UNIT | |||||
---|---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN(2) | TYP(1) | MAX(2) | ||||
BW | −3dB BW | AV = +1, VOUT = 200mVPP | 95 | 130 | MHz | ||||
AV = +2, −1, VOUT = 200mVPP | 46 | ||||||||
BW0.1dB | 0.1dB Gain Flatness | AV = +2, RL = 150Ω to V+/2, Rf = 806Ω, VOUT = 200mVPP |
12 | MHz | |||||
PBW | Full Power Bandwidth | AV = +1, −1dB, VOUT = 2VPP | 24 | MHz | |||||
en | Input-Referred Voltage Noise | f = 100kHz | 17 | nV/√Hz | |||||
f = 1kHz | 48 | ||||||||
in | Input-Referred Current Noise | f = 100kHz | 0.90 | pA/√Hz | |||||
f = 1kHz | 3.3 | ||||||||
THD | Total Harmonic Distortion | f = 5MHz, VO = 2VPP, AV = +2 | −62 | dBc | |||||
DG | Differential Gain | NTSC, AV = +2 RL = 150Ω to V+/2 |
0.15% | ||||||
RL = 1kΩ to V+/2 | 0.01% | ||||||||
DP | Differential Phase | NTSC, AV = +2 RL = 150Ω to V+/2 |
0.04 | deg | |||||
RL = 1kΩ to V+/2 | 0.01 | ||||||||
CT Rej. | Cross-Talk Rejection | f = 5MHz, Receiver: Rf = Rg = 510Ω, AV = +2 |
47 | dB | |||||
TS | Settling Time | VO = 2VPP, ±0.1%, 8pF Load, VS = 5V |
68 | ns | |||||
SR | Slew Rate (4) | AV = −1, VI = 2VPP | 100 | 135 | V/µs | ||||
VOS | Input Offset Voltage | For LMH6642 and LMH6644 | ±7 | ±1 | ±5 | mV | |||
For LMH6643 | ±7 | ±1 | ±3.4 | ||||||
TC VOS | Input Offset Average Drift | See (7) | ±5 | µV/°C | |||||
IB | Input Bias Current | See (3) | −3.25 | −1.60 | −2.60 | µA | |||
IOS | Input Offset Current | 1000 | 20 | 800 | nA | ||||
RIN | Common Mode Input Resistance | 3 | MΩ | ||||||
CIN | Common Mode Input Capacitance | 2 | pF | ||||||
CMVR | Input Common-Mode Voltage Range | CMRR ≥ 50dB | −5.1 | −5.5 | −5.2 | V | |||
3.6 | 3.8 | 4.0 | |||||||
CMRR | Common Mode Rejection Ratio | VCM Stepped from −5V to 3.5V | 74 | 95 | dB | ||||
AVOL | Large Signal Voltage Gain | VO = −4.5V to 4.5V, RL = 2kΩ |
84 | 88 | 96 | dB | |||
VO = −4.0V to 4.0V, RL = 150Ω |
74 | 78 | 82 | ||||||
VO | Output Swing High |
RL = 2kΩ, VID = 200mV | 4.90 | 4.96 | V | ||||
RL = 150Ω, VID = 200mV | 4.65 | 4.80 | |||||||
Output Swing Low |
RL = 2kΩ, VID = −200mV | −4.96 | −4.90 | V | |||||
RL = 150Ω, VID = −200mV | −4.80 | −4.65 | |||||||
ISC | Output Short Circuit Current | Sourcing to Ground VID = 200mV (5)(6) |
35 | 60 | 115 | mA | |||
Sinking to Ground VID = −200mV (5)(6) |
65 | 85 | 145 | ||||||
IOUT | Output Current | VO = 0.5V from either supply | ±75 | mA | |||||
PSRR | Power Supply Rejection Ratio | (V+, V−) = (4.5V, −4.5V) to (5.5V, −5.5V) | 78 | 90 | dB | ||||
IS | Supply Current (per channel) | No Load | 5.50 | 2.70 | 4.50 | mA |
The LMH664X family is based on proprietary VIP10 dielectrically isolated bipolar process. This device family architecture features the following:
The LMH664X family is a drop-in replacement for the AD805X family of high speed Op Amps in most applications. In addition, the LMH664X will typically save about 40% on power dissipation, due to lower supply current, when compared to competition. All AD805X family’s specified parameters are included in the list of LMH664X ensured specifications in order to ensure equal or better level of performance. However, as in most high performance parts, due to subtleties of applications, it is strongly recommended that the performance of the part to be evaluated is tested under actual operating conditions to ensure full compliance to all specifications.
With 3-V supplies and a common mode input voltage range that extends 0.5 V below V−, the LMH664X find applications in low voltage/low power applications. Even with 3-V supplies, the −3dB BW (@ AV = +1) is typically 115 MHz with a tested limit of 80 MHz. Production testing guarantees that process variations will not compromise speed. High frequency response is exceptionally stable, confining the typical −3dB BW over the industrial temperature range to ±2.5%.
As seen in Typical Performance Characteristics, the LMH664X output current capability (∼75 mA) is enhanced compared to AD805X. This enhancement increases the output load range, adding to the LMH664X’s versatility. Since LMH664X is capable of high output current, device junction temperature should not to exceed the Absolute Maximum Ratings.