Datasheet LT1490A, LT1491A (Analog Devices) - 4

LT1490A/LT1491A
ELECTRICAL CHARACTERISTICS The
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denotes specifications which apply over the full operating temperature range of – 40°C ≤ TA ≤ 85°C, otherwise specifications are at TA = 25°C. VS = 3V, 0V; VS = 5V, 0V; VCM = VOUT = half supply unless otherwise noted. (Note 4) LT1490AC/LT1491AC LT1490AI/LT1491AI SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOS Input Offset Voltage (Note 5) LT1490A N, S Packages 110 500 μV 0°C ≤ TA ≤ 70°C l 700 μV –40°C ≤ TA ≤ 85°C l 800 μV LT1490A MS8 Package, LT1491A N, S Packages 220 1000 μV 0°C ≤ TA ≤ 70°C l 1200 μV –40°C ≤ TA ≤ 85°C l 1400 μV LT1490A DD, LT1491A DHC 250 1200 μV 0°C ≤ TA ≤ 70°C l 1400 μV –40°C ≤ TA ≤ 85°C l 1600 μV Input Offset Voltage Drift (Note 9) –40°C ≤ TA ≤ 85°C l 2 4 μV/°C LT1490A DD, LT1491A DHC, –40°C ≤ TA ≤ 85°C l 2 6 μV/°C IOS Input Offset Current l 0.2 0.8 nA VCM = 44V (Note 6) l 0.8 μA IB Input Bias Current l 1 8 nA VCM = 44V (Note 6) l 3 10 μA VS = 0V 0.3 nA Input Bias Current Drift –40°C ≤ TA ≤ 85°C l 2 pA/°C 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 0.015 pA/√Hz RIN Input Resistance Differential 6 17 MΩ Common Mode, VCM = 0V to 44V 4 11 MΩ CIN Input Capacitance 4.6 pF Input Voltage Range l 0 44 V CMRR Common Mode Rejection Ratio VCM = 0V to VCC – 1V l 84 98 dB (Note 6) VCM = 0V to 44V l 80 98 dB AVOL Large-Signal Voltage Gain VS = 3V, VO = 500mV to 2.5V, RL = 10k 200 1500 V/mV 0°C ≤ TA ≤ 70°C l 133 V/mV –40°C ≤ TA ≤ 85°C l 100 V/mV VS = 5V, VO = 500mV to 4.5V, RL = 10k 400 1500 V/mV 0°C ≤ TA ≤ 70°C l 250 V/mV –40°C ≤ TA ≤ 85°C l 200 V/mV VOL Output Voltage Swing Low VS = 3V, No Load l 3 10 mV VS = 3V, ISINK = 5mA l 250 450 mV VS = 5V, No Load l 3 10 mV VS = 5V, ISINK = 5mA l 250 500 mV VS = 5V, ISINK = 10mA 330 500 mV VOH Output Voltage Swing High VS = 3V, No Load l 2.95 2.978 V VS = 3V, ISOURCE = 5mA l 2.55 2.6 V VS = 5V, No Load l 4.95 4.978 V VS = 5V, ISOURCE = 10mA l 4.30 4.6 V ISC Short-Circuit Current (Note 2) VS = 3V, Short to GND 10 15 mA VS = 3V, Short to VCC 10 30 mA VS = 5V, Short to GND 15 25 mA VS = 5V, Short to VCC 15 30 mA 14901afd 4 Document Outline FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION ORDER INFORMATION ELECTRICAL CHARACTERISTICS TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION TYPICAL APPLICATIONS SIMPLIFIED SCHEMATIC PACKAGE DESCRIPTION REVISION HISTORY TYPICAL APPLICATION RELATED PARTS