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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 / 20 page  LT1498/LT1499 14989fe 3 ELECTRICAL CHARACTERISTICS T A = 25°C, VS = 5V, 0V; VS = 3V, 0V; VCM = VOUT = half supply, unless otherwise noted. 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 VOS Input Offset Voltage VCM = V+ VCM = V– 150 150 475 475 μV μV ΔVOS Input Offset Voltage Shift VCM = V– to V+ 150 425 μV Input Offset Voltage Match (Channel-to-Channel) VCM = V+, V– (Note 5) 200 750 μV IB Input Bias Current VCM = V+ VCM = V– 0 –650 250 –250 650 0 nA nA ΔIB Input Bias Current Shift VCM = V– to V+ 500 1300 nA Input Bias Current Match (Channel-to-Channel) VCM = V+ (Note 5) VCM = V– (Note 5) 0 –100 10 –10 100 0 nA nA IOS Input Offset Current VCM = V+ VCM = V– 5 5 65 65 nA nA ΔIOS Input Offset Current Shift VCM = V– to V+ 10 130 nA Input Noise Voltage 0.1Hz to 10Hz 400 nVP-P en Input Noise Voltage Density f = 1kHz 12 nV/√Hz in Input Noise Current Density f = 1kHz 0.3 pA/√Hz CIN Input Capacitance 5pF AVOL Large-Signal Voltage Gain VS = 5V, VO = 75mV to 4.8V, RL = 10k VS = 3V, VO = 75mV to 2.8V, RL = 10k 600 500 3800 2000 V/mV V/mV CMRR Common Mode Rejection Ratio VS = 5V, VCM = V– to V+ VS = 3V, VCM = V– to V+ 81 76 90 86 dB dB CMRR Match (Channel-to-Channel) (Note 5) VS = 5V, VCM = V– to V+ VS = 3V, VCM = V– to V+ 75 70 91 86 dB dB PSRR Power Supply Rejection Ratio VS = 2.2V to 12V, VCM = VO = 0.5V 88 105 dB PSRR Match (Channel-to-Channel) (Note 5) VS = 2.2V to 12V, VCM = VO = 0.5V 82 103 dB VOL Output Voltage Swing (Low) (Note 6) No Load ISINK = 0.5mA ISINK = 2.5mA 14 35 90 30 70 200 mV mV mV VOH Output Voltage Swing (High) (Note 6) No Load ISOURCE = 0.5mA ISOURCE = 2.5mA 2.5 50 140 10 100 250 mV mV mV ISC Short-Circuit Current VS = 5V VS = 3V ±12.5 ±12.0 ±24 ±19 mA mA IS Supply Current per Amplifier 1.7 2.2 mA GBW Gain-Bandwidth Product (Note 7) 6.8 10.5 MHz SR Slew Rate (Note 8) VS = 5V, AV = –1, RL = Open, VO = 4V VS = 3V, AV = –1, RL = Open 2.6 2.3 4.5 4.0 V/μs V/μs SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V+ VCM = V– + 0.1V l l 175 175 650 650 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 170 600 μV Input Offset Voltage Match (Channel-to-Channel) VCM = V– + 0.1V, V+ (Note 5) l 200 900 μV |
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