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LT1490CS8 Datasheet(PDF) 4 Page - Linear Technology |
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LT1490CS8 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 12 page  4 LT1490/LT1491 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Input Offset Voltage Drift 0 °C ≤ TA ≤ 70°C (Note 6) q 36 µV/°C IOS Input Offset Current q 0.2 0.8 nA IB Input Bias Current q 48 nA Input Noise Voltage 0.1Hz to 10Hz 1 µVP-P en Input Noise Voltage Density f = 1kHz 50 nV/ √Hz in Input Noise Current Density f = 1kHz 0.03 pA/ √Hz RIN Input Resistance Differential 6 17 M Ω Common Mode, VCM = – 15V to 14V 15000 M Ω CIN Input Capacitance 4.6 pF Input Voltage Range q –15 29 V CMRR Common Mode Rejection Ratio VCM = – 15V to 29V q 80 98 dB AVOL Large-Signal Voltage Gain VO = ±14V, RL = 10k 100 250 V/mV 0 °C ≤ TA ≤ 70°C q 75 V/mV –40 °C ≤ TA ≤ 85°C q 50 V/mV VO Output Voltage Swing No Load q ±14.9 ±14.978 V IOUT = ±5mA q ±14.5 ±14.750 V IOUT = ±10mA ±14.5 ±14.670 V ISC Short-Circuit Current (Note 1) Short to GND ±20 ±25 mA 0 °C ≤ TA ≤ 70°C q ±15 mA –40 °C ≤ TA ≤ 85°C q ±10 mA PSRR Power Supply Rejection Ratio VS = ±1.25V to ±22V q 88 98 dB IS Supply Current per Amplifier 50 70 µA q 85 µA GBW Gain Bandwidth Product f = 1kHz 125 200 kHz 0 °C ≤ TA ≤ 70°C q 110 kHz –40 °C ≤ TA ≤ 85°C q 100 kHz SR Slew Rate AV = – 1, RL = ∞, VO = ±10V, 0.0375 0.07 V/ µs Measure at VO = ±5V 0 °C ≤ TA ≤ 70°C q 0.0330 V/ µs –40 °C ≤ TA ≤ 85°C q 0.0300 V/ µs VS = ±15V, VCM = 0V, VOUT = 0V, TA = 25°C, unless otherwise noted. (Note 2) ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range. Note 1: A heat sink may be required to keep the junction temperature below absolute maximum. This depends on the power supply voltage and how many amplifiers are shorted. Note 2: The LT1490/LT1491 are designed, characterized and expected to meet these extended temperature limits, but are not tested at – 40 °C and 85 °C. Guaranteed I grade parts are available, consult factory. Note 3: VS = 5V limits are guaranteed by correlation to VS = 3V and VS = ±15V tests. Note 4: VS = 3V limits are guaranteed by correlation to VS = 5V and VS = ±15V tests. Note 5: Guaranteed by correlation to slew rate at VS = ±15V and GBW at VS = 3V and VS = ±15V tests. Note 6: This parameter is not 100% tested. |
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