®

INA105

11

FIGURE 25. Precision Voltage-Controlled Current Source with Buffered Differential Inputs and Gain.

FIGURE 24. Window Comparator with Window Span and Window Center Inputs.

FIGURE 26. Digitally Controlled Gain of

±1 Amplifier.

5

6

3

2

1

8

9

Window Center + Window Span

5

6

3

1

HI

INA105

2

GO

LO

10

7

V

IN

Lower Limit

5

3

2

Upper Limit

INA105

4115

Window

Comparator

Window Span

0 to +5V

Window

Center

±10V

Window Center–Window Span

5

6

3

INA105

2

1

Load

I

NOTE: (1) See Figure 5 for op amp recommendation.

I

O

R

(1)

V

1

V

2

+In

–In

(1)

R

1

R

2

R

2

R

V+

1k

Ω

5

6

3

1

INA105

2

1

V

O

DG188

V

1

Logic

In

Logic In

0

1

V

O

–V

1

+V

1