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LT1818 数据表(PDF) 6 Page - Linear Technology |
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LT1818 数据表(HTML) 6 Page - Linear Technology |
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6 / 28 page  LT1806/LT1807 6 18067fc ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the –40°C < T A < 85°C temperature range. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open; VCM = VOUT = half supply, unless otherwise noted. (Note 5) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V+ VCM = V – VCM = V+ (LT1806 SOT-23) VCM = V – (LT1806 SOT-23) l l l l 200 200 200 200 800 800 950 950 μV μV μV μV VOS TC Input Offset Voltage Drift (Note 8) VCM = V+ VCM = V – l l 1.5 1.5 5 5 μV/°C μV/°C ΔVOS Input Offset Voltage Shift VCM = V– to V+ VCM = V– to V+ (LT1806 SOT-23) l l 100 100 800 950 μV μV Input Offset Voltage Match (Channel-to-Channel) (Note 10) VCM = V –, VCM = V+ l 200 1400 μV IB Input Bias Current VCM = V+ – 0.2V VCM = V – + 0.4V l l –16 1 –5 6μA μA ΔIB Input Bias Current Shift VCM = V – + 0.4V to V+ – 0.2V l 622 μA Input Bias Current Match (Channel-to-Channel) (Note 10) VCM = V+ – 0.2V VCM = V – + 0.4V l l 0.02 0.05 1.8 4 μA μA IOS Input Offset Current VCM = V+ – 0.2V VCM = V – + 0.4V l l 0.02 0.05 0.9 2.1 μA μA ΔIOS Input Offset Current Shift VCM = V – + 0.4V to V+ – 0.2V l 0.07 3 μA AVOL Large-Signal Voltage Gain VS = 5V, VO = 0.5V to 4.5V, RL = 1k to VS/2 VS = 5V, VO = 1V to 4V, RL = 100Ω to VS/2 VS = 3V, VO = 0.5V to 2.5V, RL = 1k to VS/2 l l l 50 6 35 140 16 100 V/mV V/mV V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V – to V+ VS = 3V, VCM = V – to V+ l l 75 71 94 89 dB dB CMRR Match (Channel-to-Channel) (Note 10) VS = 5V, VCM = V – to V+ VS = 3V, VCM = V – to V+ l l 69 65 94 89 dB dB Input Common Mode Range l V – V+ V PSRR Power Supply Rejection Ratio VS = 2.5V to 10V, VCM = 0V l 86 105 dB PSRR Match (Channel-to-Channel) (Note 10) VS = 2.5V to 10V, VCM = 0V l 80 105 dB Minimum Supply Voltage (Note 6) VCM = VO = 0.5V l 2.3 2.5 V VOL Output Voltage Swing Low (Note 7) No Load ISINK = 5mA ISINK = 20mA l l l 15 65 170 70 150 400 mV mV mV VOH Output Voltage Swing High (Note 7) No Load ISOURCE = 5mA ISOURCE = 20mA l l l 30 110 350 130 240 700 mV mV mV ISC Short-Circuit Current VS = 5V VS = 3V l l ±22 ±20 ±45 ±40 mA mA IS Supply Current per Amplifier l 11 16 mA Disable Supply Current VS = 5V, VSHDN = 0.3V VS = 3V, VSHDN = 0.3V l l 0.4 0.3 1.2 1 mA mA |
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