ALD2332A/ALD2332B/ALD2332

Advanced Linear Devices

7 of 11

DOUBLE DUAL PRECISON PHOTO

DETECTOR MONITOR

VOLTAGE COMPARATOR WITH SINGLE

SUPPLY AND OUTPUT LEVEL SHIFT

+

-

+5V

+10V

0

-

-

+

+

Q

Q

V+

PRECISION VOLTAGE COMPARATOR WITH

COMPLEMENTARY PUSH-PULL OUTPUTS

V+

PHOTO-

DETECTOR

LIGHT

-

-

+

+

LED

BUZZER

LED turns on as photo-detector voltage

RESPONSE TIME MEASUREMENT CIRCUIT

Response time is defined as the interval 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

TYPICAL APPLICATIONS (cont'd)