HA17339F Hitachi Semiconductor (acquired by Renesas), HA17339F Datasheet - Page 14

• Manufacturer Part Number: HA17339F
• Description: Quadruple Comparators
• Manufacturer: Hitachi Semiconductor (acquired by Renesas)

HA17901, HA17339 Series
7. Zero-Cross Detector (Single-Voltage Power Supply)
14
In this circuit, the noninverting input will essentially beheld at the potential determined by dividing V
with 100k
negative, Vout will invert to the high level. (See figure 11.)
and 10k
Figure 10 Inverting Comparator I/O Transfer Characteristics
resistors. When V
Vin
20
16
12
8
4
0
1S2076
0
Figure 11 Zero-Cross Detector
5.1k
5.1k
IN
100k
Input Voltage V
5
is 0V or higher, the output will be low, and when V
100k
10k
HA17901
–
+
IN
V
10
20M
CC
(V)
V
CC
V
CC
= 15 V
5.1k
Vout
15
IN
CC
is