LTC1992 Family

34

1992fb

APPLICATIONS INFORMATION

Table 1. Input Signal Limitations for Some Common Applications

+VS

(V)

–VS

(V)

GAIN

(V/V)

VOCM

(V)

VINREF

(V)

VINSIG(MAX)

(V)

VINSIG(MIN)

(V)

VINSIGP-P(MAX)

(VP-P AROUND VINREF)

VOUTDIFF(MAX)

(VP-PDIFF)

2.7

0

1

1.35

1.35

1.550

–1.350

0.40

0.40

2.7

0

2

1.35

1.35

1.500

0.000

0.30

0.60

2.7

0

5

1.35

1.35

1.470

0.810

0.24

1.20

2.7

0

10

1.35

1.35

1.460

1.080

0.22

2.20

5

0

1

2.5

2.5

7.300

–2.500

9.60

9.60

5

0

2

2.5

2.5

5.000

0.000

5.00

10.00

5

0

5

2.5

2.5

3.500

1.500

2.00

10.00

5

0

10

2.5

2.5

3.000

2.000

1.00

10.00

5

–5

1

0

0

10.000

–10.000

20.00

20.00

5

–5

2

0

0

5.000

–5.000

10.00

20.00

5

–5

5

0

0

2.000

–2.000

4.00

20.00

5

–5

10

0

0

1.000

–1.000

2.00

20.00

Mid-Supply Referenced Single-Ended Input Signal, VOCM at Mid-Supply. (The VINSIG Min and Max values listed account for both the input

common mode limits and the output clipping)

+VS

(V)

–VS

(V)

GAIN

(V/V)

VOCM

(V)

VINREF

(V)

VINSIG(MAX)

(V)

VINSIG(MIN)

(V)

VINSIGP-P(MAX)

(VP-P AROUND VINREF)

VOUTDIFF(MAX)

(VP-PDIFF)

2.7

0

1

1

1.35

2.250

–0.650

1.80

1.80

2.7

0

2

1

1.35

1.850

0.350

1.00

2.00

2.7

0

5

1

1.35

1.610

0.950

0.52

2.60

2.7

0

10

1

1.35

1.530

1.150

0.36

3.60

5

0

1

2

2.5

6.500

–1.500

8.00

8.00

5

0

2

2

2.5

4.500

0.500

4.00

8.00

5

0

5

2

2.5

3.300

1.700

1.60

8.00

5

0

10

2

2.5

2.900

2.100

0.80

8.00

5

–5

1

2

0

6.000

–6.000

12.00

12.00

5

–5

2

2

0

3.000

–3.000

6.00

12.00

5

–5

5

2

0

1.200

–1.200

2.40

12.00

5

–5

10

2

0

0.600

–0.600

1.20

12.00

Mid-Supply Referenced Single-Ended Input Signal, VOCM at Typical ADC Levels. (The VINSIG Min and Max values listed account for both

the input common mode limits and the output clipping)