Datasheet LT1990 (Analog Devices) - 4

LT1990
3V/5V ELECTRICAL CHARACTERISTICS The
●
denotes the specifications which apply over the temperature range of 0
°
C
≤
TA
≤
70
°
C. VS = 3V, 0V; VS = 5V, 0V; RL = 10k, VCM = VREF = half supply, G = 1, 10, unless otherwise noted. (Notes 4, 6) LT1990C/LT1990I SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VOS Input Offset Voltage, RTI VS = 3V, 0V G = 1, 10 ● 4.1 mV VS = 5V, 0V G = 1, 10 ● 4.1 mV VOS/T Input Offset Voltage Drift, RTI (Note 10) ● 5 22 µV/°C VOSH Input Offset Voltage Hysteresis, RTI (Note 11) ● 230 µV PSRR Power Supply Rejection Ratio, RTI VS = 2.7V to 12.7V VCM = VREF = 1.25V G = 1, 10 ● 78 dB Minimum Supply Voltage Guaranteed by PSRR ● 2.7 V IS Supply Current (Note 8) ● 150 µA VOL Output Voltage Swing LOW –IN = V+, +IN = Half Supply (Note 8) ● 60 mV VOH Output Voltage Swing HIGH –IN = 0V, +IN = Half Supply VS = 3V, 0V, Below V+ ● 180 mV VS = 5V, 0V, Below V+ ● 205 mV ISC Output Short-Circuit Current Short to GND (Note 9) ● 3 mA Short to V+ (Note 9) ● 11 mA
The
●
denotes the specifications which apply over the temperature range of –40
°
C
≤
TA
≤
85
°
C. VS = 3V, 0V; VS = 5V, 0V; RL = 10k, VCM = VREF = half supply, G = 1, 10, unless otherwise noted. (Notes 4, 6) LT1990C/LT1990I SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
∆G Gain Error VOUT = 0.5V to (+VS) – 0.75V LT1990, G = 1 ● 0.67 % LT1990A, G = 1 ● 0.35 % G = 10 ● 0.95 % G/T Gain vs Temperature G = 1 (Note 10) ● 2 10 ppm/°C G = 10 (Note 10) ● 7 20 ppm/°C VCM Input Voltage Range Guaranteed by CMRR VS = 3V, 0V, VREF = 1.25V ● –5 25 V VS = 5V, 0V, VREF = 1.25V ● –5 80 V VS = 5V, 0V, VREF = 2.5V ● –37 48 V CMRR Common Mode Rejection Ratio, RTI VS = 3V, 0V (Note 7) VCM = –5V to 25V, VREF = 1.25V LT1990 ● 57 dB LT1990A ● 67 dB VS = 5V, 0V VCM = –5V to 80V, VREF = 1.25V LT1990 ● 57 dB LT1990A ● 67 dB VS = 5V, 0V (Note 7) VCM = –38V to 47V, VREF = 2.5V LT1990 ● 57 dB LT1990A ● 67 dB 1990fb 4