TYPICAL APPLICATIONS
ZERO CROSSING DETECTOR
DOUBLE QUAD LIMIT WINDOW COMPARATOR
ALD4303
+12V
+12V
+3V
+12V
50K
V
OUT
VH
2
50K
V
IN
+
+
-3V
1/4 ALD4303
VH
1
+
+12V
V
IN
MULTIPLE RELAY DRIVE
+12V
47K
+
+
+5V
+5V
VL
1
V
REF
V
+
IN
VL
2
50K
1/4 ALD4303
ALD4303
VL and VH first limit window send warning.
1
1
VOLTAGE LEVEL TRANSLATOR
VL and VH second limit window execute
2
2
system cutoff.
V+ = +10V
50K
V
REF
V
OUT
V
+
IN
1/4 ALD4303
V
= 1.4V for TTL input
REF
+
V
for CMOS input
=
V
REF
2
Output V
swings from rail-to-rail
OUT
ALD4303A/ALD4303
Advanced Linear Devices
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