LT1920I datasheet(4/12 Pages) LINER

Part #	LT1920I

Description	Single Resistor Gain Programmable, Precision Instrumentation Amplifier

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Manufacturer	LINER [Linear Technology]

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LT1920

TYPICAL PERFOR A CE CHARACTERISTICS

Gain Nonlinearity, G = 1

OUTPUT VOLTAGE (2V/DIV)

G = 1

RL = 2k

VOUT = ±10V

1167 G01

Gain Nonlinearity, G = 10

OUTPUT VOLTAGE (2V/DIV)

1167 G02

G = 10

RL = 2k

VOUT = ± 10V

Gain Nonlinearity, G = 100

OUTPUT VOLTAGE (2V/DIV)

G = 100

RL = 2k

VOUT = ±10V

1167 G03

Gain Nonlinearity, G = 1000

OUTPUT VOLTAGE (2V/DIV)

G = 1000

RL = 2k

VOUT = ±10V

1167 G04

Warm-Up Drift

TIME AFTER POWER ON (MINUTES)

0

10

12

S8

N8

14

34

1920 G09

8

6

12

5

4

2

0

VS = ±15V

TA = 25°C

G = 1

Gain Error vs Temperature

TEMPERATURE (

°C)

–50

– 0.20

– 0.10

– 0.05

0

50

0.20

1920 G06

– 0.15

0

–25

75

G = 1

25

100

0.05

0.10

0.15

VS = ±15V

VOUT = ±10V

RL = 2k

*DOES NOT INCLUDE

TEMPERATURE EFFECTS

OF R G

G = 10*

G = 1000*

G = 100*

FREQUENCY (Hz)

0.1

60

80

100

10k

1920 G14

40

20

0

110

1k

120

140

160

100k

G = 1000

G = 100

G = 10

G = 1

VS = ±15V

TA = 25°C

1k SOURCE

IMBALANCE

Common Mode Rejection Ratio

vs Frequency

FREQUENCY (Hz)

0.1

60

80

100

10k

1920 G15

40

20

0

110

1k

120

140

160

100k

G = 1000

G = 100

G = 10

G = 1

V + = 15V

TA = 25°C

Negative Power Supply Rejection

Ratio vs Frequency

COMMON MODE INPUT VOLTAGE (V)

–15

100

300

500

9

1920 G13

–100

– 300

0

200

400

– 200

– 400

– 500

–9

–3

3

–12

12

–6

0

6

15

–40

°C

85

°C

0

°C

70

°C

25

°C

Input Bias Current

vs Common Mode Input Voltage

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