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LT1499CS 数据表(PDF) 4 Page - Linear Technology |
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LT1499CS 数据表(HTML) 4 Page - Linear Technology |
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4 / 20 page  LT1498/LT1499 14989fe 4 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the temperature range 0°C < TA < 70°C. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IB Input Bias Current VCM = V+ VCM = V– + 0.1V l l 0 –780 275 –275 780 0 nA nA ΔIB Input Bias Current Shift VCM = V– + 0.1V to V+ l 550 1560 nA Input Bias Current Match (Channel-to-Channel) VCM = V+ (Note 5) VCM = V– + 0.1V (Note 5) l l 0 –170 15 –15 170 0 nA nA IOS Input Offset Current VCM = V+ VCM = V– + 0.1V l l 10 10 85 85 nA nA ΔIOS Input Offset Current Shift VCM = V– + 0.1V to V+ l 20 170 nA AVOL Large-Signal Voltage Gain VS = 5V, VO = 75mV to 4.8V, RL = 10k VS = 3V, VO = 75mV to 2.8V, RL = 10k l l 500 400 2500 2000 V/mV V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V– + 0.1V to V+ VS = 3V, VCM = V– + 0.1V to V+ l l 78 73 89 85 dB dB CMRR Match (Channel-to-Channel) (Note 5) VS = 5V, VCM = V– + 0.1V to V+ VS = 3V, VCM = V– + 0.1V to V+ l l 74 69 90 86 dB dB PSRR Power Supply Rejection Ratio VS = 2.3V to 12V, VCM = VO = 0.5V l 86 102 dB PSRR Match (Channel-to-Channel) (Note 5) VS = 2.3V to 12V, VCM = VO = 0.5V l 80 102 dB VOL Output Voltage Swing (Low) (Note 6) No Load ISINK = 0.5mA ISINK = 2.5mA l l l 17 40 110 35 80 220 mV mV mV VOH Output Voltage Swing (High) (Note 6) No Load ISOURCE = 0.5mA ISOURCE = 2.5mA l l l 3.5 55 160 15 120 300 mV mV mV ISC Short-Circuit Current VS = 5V VS = 3V l l ±12 ±10 ±23 ±20 mA mA IS Supply Current per Amplifier l 1.9 2.6 mA GBW Gain-Bandwidth Product (Note 7) l 6.1 9 MHz SR Slew Rate (Note 8) VS = 5V, AV = –1, RL = Open, VO = 4V VS = 3V, AV = –1, RL = Open l l 2.5 2.2 4.0 3.5 V/μs V/μs The l denotes the specifications which apply over the temperature range –40°C < TA < 85°C. VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V+ VCM = V– + 0.1V l l 250 250 750 750 μV μV VOS TC Input Offset Voltage Drift (Note 3) VCM = V+ l l 0.5 1.5 2.5 4.0 μV/°C μV/°C ΔVOS Input Offset Voltage Shift VCM = V– + 0.1V to V+ l 250 650 μV Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.1V, V+ (Note 5) l 300 1500 μV IB Input Bias Current VCM = V+ VCM = V– + 0.1V l l 0 –975 350 –350 975 0 nA nA ΔIB Input Bias Current Shift VCM = V– + 0.1V to V+ l 700 1950 nA Input Bias Current Match (Channel-to-Channel) VCM = V+ (Note 5) VCM = V– + 0.1V (Note 5) l l 0 –180 30 –30 180 0 nA nA IOS Input Offset Current VCM = V+ VCM = V– + 0.1V l l 15 15 110 110 nA nA ΔIOS Input Offset Current Shift VCM = V– + 0.1V to V+ l 30 220 nA |
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