
AP331A
SINGLE DIFFERENTIAL COMPARATOR
AP331A Rev. 2 6 of 13 FEBRUARY 2009
www.diodes.com © Diodes Incorporated
Typical Circuit (Continued) (V
CC
= 5.0V
DC
)
Crystal Controlled Oscillator
+
-
V
O
200K
0.1µF
2.0K
V
+
V
+
100K
200K
0
CRYSTAL
f=100KHz
AP331A
+
-
+
-
+
-
+V
C
FREQUENCY
CONTROL
VOLTAGE
INPUT
0.1µF
10
20K
20K
50K
V
+
/2
OUTPUT2
OUTPUT1
500pF
V
+
0.01µF
3.0K
5.1K
100K
3.0K
V
+
Two-Decade High Frequency VCO
V
+
/2
AP331A
AP331A
AP331A
100K
Non-Inverting Comparator with
Hysteresis
V
O
3K
V
+
+V
IN
+V
REF
+
-
10M
10K
AP331A
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