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LT1789CS8-1-TRPBF Datasheet(PDF) 3 Page - Linear Technology |
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LT1789CS8-1-TRPBF Datasheet(HTML) 3 Page - Linear Technology |
3 / 24 page LT1789-1/LT1789-10 3 1789fc 3V AND 5V ELECTRICAL CHARACTERISTICS V S = 3V, 0V; VS = 5V, 0V; RL = 20k, VCM = VREF = half supply, TA = 25°C, unless otherwise noted. SYMBOL PARAMETER CONDITIONS LT1789-1 LT1789-10 UNITS MIN TYP MAX MIN TYP MAX VOST Total Input Referred Offset Voltage VOST = VOSI + VOSO/G VOSI Input Offset Voltage G = 1000 15 100 20 160 μV VOSO Output Offset Voltage G = 1 (LT1789-1), G =10 (LT1789-10) 150 750 650 3000 μV IOS Input Offset Current (Note 6) 0.2 4 0.2 4 nA IB Input Bias Current (Note 6) 19 40 19 40 nA en Input Noise Voltage, RTI (Referred to Input) G = 1, fO = 0.1Hz to 10Hz G = 10 G = 100, 1000 5.0 1.5 1.0 4.6 1.1 μVP-P μVP-P μVP-P Total RTI Noise = √eni2 + (eno/G)2 eni Input Noise Voltage Density, RTI fO = 1kHz (Note 7) 48 85 52 90 nV/√Hz eno Output Noise Voltage Density, RTI fO = 1kHz (Note 3) 330 270 nV/√Hz in Input Noise Current fO = 0.1Hz to 10Hz 16 16 pAP-P Input Noise Current Density fO = 1kHz 62 62 fA/√Hz RIN Input Resistance VIN = 0V to (+VS) – 1V (Note 6) 0.75 1.6 0.75 1.6 GΩ CIN Input Capacitance Differential Common Mode 1.6 1.6 1.6 1.6 pF pF VCM Input Voltage Range 0 +VS – 1 0 +VS – 1.2 V CMRR Common Mode Rejection Ratio 1k Source Imbalance (Note 6) LT1789-1,VCM = 0V to (+VS) – 1V LT1789-10, VCM = 0V to (+VS) – 1.2V G = 1 G = 10 G = 100 G = 1000 79 96 100 100 88 106 114 114 88 98 98 105 113 113 dB dB dB dB PSRR Power Supply Rejection Ratio VS = 2.5V to 12.5V, VCM = VREF = 1V G = 1 G = 10 G = 100 G = 1000 90 100 102 102 100 113 116 116 94 102 102 109 120 120 dB dB dB dB Minimum Supply Voltage 2.2 2.5 2.2 2.5 V IS Supply Current (Note 7) 67 95 67 95 μA VOL Output Voltage Swing LOW (Note 7) 54 100 62 110 mV VOH Output Voltage Swing HIGH (Note 7) +VS – 0.3 +VS – 0.19 +VS – 0.3 +VS – 0.19 V ISC Short-Circuit Current Short to GND Short to +VS 2.2 8.5 2.2 8.5 mA mA BW Bandwidth G = 1 G = 10 G = 100 G = 1000 60 30 3 0.2 25 12 1.5 kHz kHz kHz kHz SR Slew Rate G = 10, VOUT = 0.5V to 4.5V 0.023 0.062 V/μs Settling Time to 0.01% 4V Step 240 190 μs RREFIN Reference Input Resistance 220 220 kΩ IREFIN Reference Input Current VREF = 0V 2.7 2.7 μA AVREF Reference Gain to Output 1 ±0.0001 1 ±0.0001 |
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