Datasheet LT1789-1, LT1789-10 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Micropower, Single Supply Rail-to-Rail Output Instrumentation Amplifier |
| 页数 / 页 | 24 / 6 — ELECTRICAL CHARACTERISTICS. VS = ±15V, RL = 20k, VCM = VOUT = 0V, TA = … |
| 文件格式/大小 | PDF / 339 Kb |
| 文件语言 | 英语 |
ELECTRICAL CHARACTERISTICS. VS = ±15V, RL = 20k, VCM = VOUT = 0V, TA = 25°C, unless otherwise noted. LT1789-1. LT1789-10
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LT1789-1/LT1789-10
ELECTRICAL CHARACTERISTICS VS = ±15V, RL = 20k, VCM = VOUT = 0V, TA = 25°C, unless otherwise noted. LT1789-1 LT1789-10 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
G Gain Range LT1789-1, G = 1 + (200k/RG) 1 1000 LT1789-10, G = 10 • [1+ (200k/RG)] 10 1000 Gain Error VO = ±10V G = 1 0.01 0.10 % G = 10 (Note 2) 0.04 0.15 0.01 0.15 % G = 100 (Note 2) 0.04 0.15 0.03 0.20 % G = 1000 (Note 2) 0.07 0.20 0.03 0.25 % Gain Nonlinearity VO = ±10V G = 1 8 20 ppm G = 10 1 10 5 40 ppm G = 100 6 20 5 40 ppm G = 1000 20 100 25 160 ppm VOST Total Input Referred Offset Voltage VOST = VOSI + VOSO/G VOSI Input Offset Voltage G = 1000 30 235 30 295 μV VOSO Output Offset Voltage G = 1 (LT1789-1), G =10 (LT1789-10) 0.2 1 0.6 3.3 mV IOS Input Offset Current 0.2 4 0.2 4 nA IB Input Bias Current 17 40 17 40 nA en Input Noise Voltage, RTI fO = 0.1Hz to 10Hz G = 1 5.0 μVP-P G = 10 1.5 4.6 μVP-P G = 100, 1000 1.0 1.1 μVP-P
Total RTI Noise = √e 2 ni + (eno/G)2
eni Input Noise Voltage Density, RTI fO = 1kHz 49 90 53 95 nV/√Hz eno Output Noise Voltage Density, RTI fO = 1kHz 330 270 nV/√Hz in Input Noise Current fO = 0.1Hz to 10Hz 19 19 pAP-P Input Noise Current Density fO = 1kHz 62 62 fA/√Hz RIN Input Resistance 2 4.7 2 4.7 GΩ CIN Input Capacitance Differential 20 20 pF Common Mode 17 17 pF VCM Input Voltage Range –15 –14 –15 –14 V CMRR Common Mode Rejection Ratio 1k Source Imbalance, VCM = –15V to 14V G = 1 80 89 dB G = 10 98 108 93 108 dB G = 100, 1000 102 117 102 123 dB PSRR Power Supply Rejection Ratio LT1789-1 VS = ±1.25V to ±16V LT1789-10 VS = ±1.50V to ±16V 94 107 dB G = 1 104 118 100 115 dB G = 10 102 121 106 123 dB G = 100, 1000 Minimum Supply Voltage ±1.25 ±1.50 V IS Supply Current 85 130 85 130 μA VO Output Voltage Swing ±14.5 ±14.7 ±14.5 ±14.7 V ISC Short-Circuit Current Short to –VS 2.2 2.2 mA Short to +VS 8.5 8.5 mA 1789fc 6
ELECTRICAL CHARACTERISTICS VS = ±15V, RL = 20k, VCM = VOUT = 0V, TA = 25°C, unless otherwise noted. LT1789-1 LT1789-10 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS
G Gain Range LT1789-1, G = 1 + (200k/RG) 1 1000 LT1789-10, G = 10 • [1+ (200k/RG)] 10 1000 Gain Error VO = ±10V G = 1 0.01 0.10 % G = 10 (Note 2) 0.04 0.15 0.01 0.15 % G = 100 (Note 2) 0.04 0.15 0.03 0.20 % G = 1000 (Note 2) 0.07 0.20 0.03 0.25 % Gain Nonlinearity VO = ±10V G = 1 8 20 ppm G = 10 1 10 5 40 ppm G = 100 6 20 5 40 ppm G = 1000 20 100 25 160 ppm VOST Total Input Referred Offset Voltage VOST = VOSI + VOSO/G VOSI Input Offset Voltage G = 1000 30 235 30 295 μV VOSO Output Offset Voltage G = 1 (LT1789-1), G =10 (LT1789-10) 0.2 1 0.6 3.3 mV IOS Input Offset Current 0.2 4 0.2 4 nA IB Input Bias Current 17 40 17 40 nA en Input Noise Voltage, RTI fO = 0.1Hz to 10Hz G = 1 5.0 μVP-P G = 10 1.5 4.6 μVP-P G = 100, 1000 1.0 1.1 μVP-P
Total RTI Noise = √e 2 ni + (eno/G)2
eni Input Noise Voltage Density, RTI fO = 1kHz 49 90 53 95 nV/√Hz eno Output Noise Voltage Density, RTI fO = 1kHz 330 270 nV/√Hz in Input Noise Current fO = 0.1Hz to 10Hz 19 19 pAP-P Input Noise Current Density fO = 1kHz 62 62 fA/√Hz RIN Input Resistance 2 4.7 2 4.7 GΩ CIN Input Capacitance Differential 20 20 pF Common Mode 17 17 pF VCM Input Voltage Range –15 –14 –15 –14 V CMRR Common Mode Rejection Ratio 1k Source Imbalance, VCM = –15V to 14V G = 1 80 89 dB G = 10 98 108 93 108 dB G = 100, 1000 102 117 102 123 dB PSRR Power Supply Rejection Ratio LT1789-1 VS = ±1.25V to ±16V LT1789-10 VS = ±1.50V to ±16V 94 107 dB G = 1 104 118 100 115 dB G = 10 102 121 106 123 dB G = 100, 1000 Minimum Supply Voltage ±1.25 ±1.50 V IS Supply Current 85 130 85 130 μA VO Output Voltage Swing ±14.5 ±14.7 ±14.5 ±14.7 V ISC Short-Circuit Current Short to –VS 2.2 2.2 mA Short to +VS 8.5 8.5 mA 1789fc 6