®

REF200

15

V

V

CENTER

O

I

W

–V , +V

= 100µA • R

W

W

–V

W

+V

V

5V

The

Window

0

1k

Ω

–V

S

V

O

CENTER

V

V

I

100µA

100µA

0.01µF

R

(3)

(2)

(1)

0.01µF

(1)

R

(3)

+5V

1/2

LM393

1/2

LM393

NOTES: (1) Capacitors optional to reduce noise and switching time.

(2) Programs center of threshold voltage. (3) Programs window voltage.

+V

S

(2)

FIGURE 25. Window Comparator.

100µA

V = +In – (–In)

O

100µA

–V

S

INA105

+V

S

–In

PMI

MAT03

+In

1/2

OPA1013

1/2

OPA1013