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LT1493CS 数据表(PDF) 4 Page - Linear Technology |
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LT1493CS 数据表(HTML) 4 Page - Linear Technology |
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4 / 16 page ![]() 4 LT1492/LT1493 VS = 5V, 0V; VCM = 0.5V, VOUT = 0.5V, –40°C ≤ TA ≤ 85°C, unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage q 150 325 µV VOS Input Offset Voltage Drift (Note 3) q 13 µV/°C ∆T IOS Input Offset Current q 540 nA IB Input Bias Current q 55 130 nA Input Voltage Range q 3.4 3.5 V q 0 – 0.1 V CMRR Common Mode Rejection Ratio VCM = 0V to 3.4V q 80 90 dB PSRR Power Supply Rejection Ratio VS = 2.5V to 12.5V q 90 110 dB AVOL Large-Signal Voltage Gain VO = 0.05V to 3.7V, RL = 2k q 140 220 V/mV Maximum Output Voltage Swing Output High, No Load q 3.95 4.15 V (Note 4) Output High, ISOURCE = 1mA q 3.85 4.05 V Output High, ISOURCE = 15mA q 2.75 2.95 V Output Low, No Load q 0.005 0.008 V Output Low, ISINK = 1mA q 0.073 0.095 V Output Low, ISINK = 15mA q 0.400 0.575 V IS Supply Current per Amplifier q 480 700 µA 5V ELECTRICAL CHARACTERISTICS VS = ±15V, VCM = 0V, VOUT = 0V, TA = 25°C, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage 120 450 µV IOS Input Offset Current 520 nA IB Input Bias Current 45 100 nA Input Voltage Range 13.4 13.6 V – 15.0 – 15.2 V CMRR Common Mode Rejection Ratio VCM = –15V to 13.4V 86 102 dB PSRR Power Supply Rejection Ratio VS = ±2V to ±16V 90 113 dB AVOL Large-Signal Voltage Gain VO = ±10V, RL = 5k 1500 6500 V/mV Maximum Output Voltage Swing Output High, ISOURCE = 15mA 12.9 13.15 V Output Low, ISINK = 15mA – 14.4 – 14.6 V IO Maximum Output Current (Note 8) ±20 ±55 mA SR Slew Rate AV = – 2, (Note 5) 2 3 V/ µs GBW Gain-Bandwidth Product f = 100kHz 3 5 MHz IS Supply Current per Amplifier 500 800 µA Channel Separation VO = ±10V, RL = 5k 128 140 dB Minimum Supply Voltage ±1.4 ±2V Full Power Bandwidth AV = 1, VO = 20VP-P 30 kHz tS Settling Time 0.01%, AV = 1, ∆VO = 10V 5.8 µs ±15V ELECTRICAL CHARACTERISTICS |
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