TYPICAL APPLICATIONS
DOUBLE DUAL LIMIT WINDOW COMPARATOR
ZERO CROSSING DETECTOR
+3V
ALD2302
+12V
+12V
50K
+12V
V
OUT
V
IN
+
VH
2
50K
+
-5V
1/2 ALD2302
VH
1
+
+12V
V
IN
MULTIPLE RELAY DRIVE
+12V
47K
+5V
+5V
+
+
VL
1
V
REF
V
IN
+
1/2 ALD2302
VL
2
50K
ALD2302
VL and VH first limit window send warning
1
1
VL and VH second limit window execute
VOLTAGE LEVEL TRANSLATOR
2
2
system cutoff
+
V = +10V
V
REF
V
OUT
V
+
IN
1/2 ALD2302
= 1.4V for TTL input
V
REF
+
V
for CMOS input
=
V
REF
2
Output V
swings from rail-to-rail
OUT
ALD2302A/ALD2302
Advanced Linear Devices
5