LT1990 datasheet(5/16 Pages) LINER

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LT1990

1990fb

LT1990H

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

∆G

Gain Error

VOUT = 0.5V to (+VS) – 0.75V

LT1990, G = 1

●

0.69

LT1990A, G = 1

●

0.37

G = 10

●

0.97

G/T

Gain vs Temperature

G = 1 (Note 10)

●

ppm/

°C

G = 10 (Note 10)

●

ppm/

°C

VCM

Input Voltage Range

Guaranteed by CMRR

VS = 3V, 0V, VREF = 1.25V

●

–5

VS = 5V, 0V, VREF = 1.25V

●

–5

VS = 5V, 0V, VREF = 2.5V

●

–37

CMRR

Common Mode Rejection Ratio, RTI

VS = 3V, 0V (Note 7)

VCM = –5V to 25V, VREF = 1.25V

LT1990

●

LT1990A

●

VS = 5V, 0V

VCM = –5V to 80V, VREF = 1.25V

LT1990

●

LT1990A

●

VS = 5V, 0V (Note 7)

VCM = –38V to 47V, VREF = 2.5V

LT1990

●

LT1990A

●

3V/5V ELECTRICAL CHARACTERISTICS

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

VOS

Input Offset Voltage, RTI

VS = 3V, 0V

G = 1, 10

●

4.5

VS = 5V, 0V

G = 1, 10

●

4.5

VOS/T

Input Offset Voltage Drift, RTI

(Note 10)

●

522

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

●

Minimum Supply Voltage

Guaranteed by PSRR

●

2.7

Supply Current

(Note 8)

●

170

µA

VOL

Output Voltage Swing LOW

–IN = V+, +IN = Half Supply (Note 8)

●

VOH

Output Voltage Swing HIGH

–IN = 0V, +IN = Half Supply

VS = 3V, 0V, Below V+

●

200

VS = 5V, 0V, Below V

●

275

ISC

Output Short-Circuit Current

Short to GND (Note 9)

●

2mA

Short to V+ (Note 9)

●

8mA

The

● denotes the specifications which apply over the temperature range of –40

°C ≤ TA ≤ 125°C. VS = 3V, 0V; VS = 5V, 0V; RL = 10k,

VCM = VREF = half supply, G = 1, 10, unless otherwise noted. (Notes 4, 6)

3V/5V ELECTRICAL CHARACTERISTICS

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