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LT1499CS 数据表(PDF) 3 Page - Linear Technology |
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LT1499CS 数据表(HTML) 3 Page - Linear Technology |
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3 / 16 page ![]() 3 LT1498/LT1499 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V+ q 175 650 µV VCM = V – + 0.1V q 175 650 µV VOS TC Input Offset Voltage Drift (Note 2) q 0.5 2.5 µV/°C VCM = V + q 1.5 4.0 µV/°C ∆VOS Input Offset Voltage Shift VCM = V – + 0.1V to V+ q 170 600 µV Input Offset Voltage Match (Channel-to-Channel) VCM = V – + 0.1V, V+ (Note 4) q 200 900 µV IB Input Bias Current VCM = V + q 0 275 600 nA VCM = V – + 0.1V q – 600 – 275 0 nA ∆IB Input Bias Current Shift VCM = V – + 0.1V to V+ q 550 1200 nA Input Bias Current Match (Channel-to-Channel) VCM = V + (Note 4) q 0 15 170 nA VCM = V – + 0.1V (Note 4) q – 170 – 15 0 nA IOS Input Offset Current VCM = V + q 10 85 nA VCM = V – + 0.1V q 10 85 nA ∆IOS Input Offset Current Shift VCM = V – + 0.1V to V+ q 20 170 nA AVOL Large-Signal Voltage Gain VS = 5V, VO = 75mV to 4.8V, RL = 10k q 500 2500 V/mV VS = 3V, VO = 75mV to 2.8V, RL = 10k q 400 2000 V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V – + 0.1V to V+ q 78 89 dB VS = 3V, VCM = V – + 0.1V to V+ q 73 85 dB CMRR Match (Channel-to-Channel) (Note 4) VS = 5V, VCM = V – + 0.1V to V+ q 74 90 dB VS = 3V, VCM = V– + 0.1V to V+ q 69 86 dB PSRR Power Supply Rejection Ratio VS = 2.3V to 12V, VCM = VO = 0.5V q 86 102 dB PSRR Match (Channel-to-Channel) (Note 4) VS = 2.3V to 12V, VCM = VO = 0.5V q 80 102 dB ELECTRICAL CHARACTERISTICS TA = 25°C, VS = 5V,0V; VS = 3V,0V; VCM = VOUT = half supply, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CMRR Common Mode Rejection Ratio VS = 5V, VCM = V – to V+ 81 90 dB VS = 3V, VCM = V– to V+ 76 86 dB CMRR Match (Channel-to-Channel) (Note 4) VS = 5V, VCM = V– to V+ 75 91 dB VS = 3V, VCM = V– to V+ 70 86 dB PSRR Power Supply Rejection Ratio VS = 2.2V to 12V, VCM = VO = 0.5V 88 105 dB PSRR Match (Channel-to-Channel) (Note 4) VS = 2.2V to 12V, VCM = VO = 0.5V 82 103 dB VOL Output Voltage Swing (Low) (Note 5) No Load 14 30 mV ISINK = 0.5mA 35 70 mV ISINK = 2.5mA 90 200 mV VOH Output Voltage Swing (High) (Note 5) No Load 2.5 10 mV ISOURCE = 0.5mA 50 100 mV ISOURCE = 2.5mA 140 250 mV ISC Short-Circuit Current VS = 5V ±12.5 ±24 mA VS = 3V ±12.0 ±19 mA IS Supply Current per Amplifier 1.7 2.2 mA GBW Gain-Bandwidth Product (Note 6) 6.8 10.5 MHz SR Slew Rate (Note 7) VS = 5V, AV = – 1, RL = Open, VO = 4V 2.6 4.5 V/ µs VS = 3V, AV = – 1, RL = Open 2.3 4.0 V/ µs 0 °C < TA < 70°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. |
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