TYPICAL APPLICATIONS (cont'd)
VOLTAGE COMPARATOR WITH +/-5V
SUPPLY AND OUTPUT LEVEL SHIFT
+5V
+5V
100K
0.1µF
15K
V
OUT
+5V
V
OUT
100K
0.1µF
-5V
VOLTAGE COMPARATOR WITH OUTPUT LEVEL
SHIFT AND HIGH CURRENT LOAD DRIVER
+5V
+5V
V
IN-
R
1
= 15K
V
OUT
0.066V
V
IN+
R
2
=50
200Ω
R
Load
-5V
-4V
V
OUT
-
+
15K
0
-
+
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:
+5V
5.1KΩ
10X INPUT STEP
9KΩ
V
IN
1KΩ
-
OUT
+
DUAL LIMIT WINDOW COMPARATOR
V+
R
LOAD
DUAL LIMIT PHOTO DETECTOR MONITOR
V
External
V+
BUZZER
V
REF(HIGH)
+
-
LED
V
LIMIT2
V
OUT
+
-
+
N
-
V
REF(LOW)
LIGHT
PHOTO-
DETECTOR
V
LIMIT 1
+
MINIMUM R
LOAD
= 1.5KΩ
OUTPUT HIGH FOR V
IN
< V
REF(HIGH)
AND V
IN
> V
REF(LOW)
-
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
ALD2331A/ALD2331B/ALD2331
Advanced Linear Devices
6 of 8
ALD [ ADVANCED LINEAR DEVICES ]
