INA159

SBOS333B − JULY 2005 − REVISED OCTOBER 2005

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8

Table 2. Input and Output Relationships for Various Reference and Connection Combinations

VREF

(V)

REF CONNECTION

VOUT for VIN = 0

(V)

LINEAR VIN RANGE

(V)

USEFUL VOUT SWING

(V)

5

5V

V+

2.5

+10

0

−10

4.5

(±2V swing)

0.5

4.096

20kΩ

100kΩ

SENSE

−IN

2.048

+10

0

−10

4.048

(±2V swing)

0.048

3.3

40k

Ω

100k

Ω

OUT

1.65

+10

0

−7.885

3.65

(−1.577V, +2V swing)

0.048

2.5

40k

Ω

100k

Ω

40kΩ

VREF

REF 2

REF 1

VIN

+IN

INA159

1.25

+10 (also +5)

0

−6 (also −5)

3.25

(−1.2V, +2V swing)

0.048

1.8

INA159

0.9

+10

0

−4.26

2.9

(−0.852V, +2V swing)

0.048

2.5

20k

Ω

100k

Ω

5V

V+

SENSE

−IN

2.5

+10

0

−10

4.5

(±2V swing)

0.5

1.8

40k

Ω

100k

Ω

OUT

VREF

REF 2

VIN

+IN

1.8

+10

0

−8.76

3.8

(−1.752V, +2V swing)

0.048

1.2

40k

Ω

REF

REF 1

INA159

1.2

+10

0

−5.76

3.2

(−1.15V, +2V swing)

0.048