ALD2331A/ALD2331B/ALD2331

Advanced Linear Devices

6 of 8

VOLTAGE COMPARATOR WITH OUTPUT LEVEL

SHIFT AND HIGH CURRENT LOAD DRIVER

VOLTAGE COMPARATOR WITH +/-5V

SUPPLY AND OUTPUT LEVEL SHIFT

+

-

15K

-5V

+5V

VOUT

15K

100K

100K

0.1µF

0.1µF

+5V

0

VOUT

+5V

+

-

-5V

+5V

R2=50

200Ω

+5V

R1= 15K

RLoad

VOUT

VIN+

VIN-

0.066V

-4V

VOUT

RESPONSE TIME MEASUREMENT CIRCUIT

Response time is defined as the internal between the application of

an input step function and the instant when the output reaches 50%

of its maximum value as measured by the following test circuit:

+

-

5.1KΩ

OUT

+5V

10X INPUT STEP

1KΩ

9KΩ

DUAL LIMIT WINDOW COMPARATOR

+

+

-

-

>

AND

V+

N

DUAL LIMIT PHOTO DETECTOR MONITOR

V+

PHOTO-

DETECTOR

LIGHT

-

-

+

+

LED

BUZZER

LED turns on as photo-detector

voltage reaches VLIMIT1. Both LED

and horn turns on as photo-detector

voltage reaches VLIMIT2.

VEXTERNAL= +10V, V+ = +5V

TYPICAL APPLICATIONS (cont'd)