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Part Name
Description
CXD1172 View Datasheet(PDF) - Sony Semiconductor
Part Name
Description
Manufacturer
CXD1172
6-bit 20MSPS Video A/D Converter (CMOS)
Sony Semiconductor
CXD1172 Datasheet PDF : 11 Pages
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CXD1172AM/AP
Latch Up Prevention
The CXD1172A is a CMOS IC which requires latch up precautions. Latch up is mainly generated by the lag in
the voltage rising time of AV
DD
(Pins 10 and 14) and DV
DD
(Pins 9 and 15), when power supply is ON.
1. Correct usage
a. When analog and digital supplies are from different sources
AV
DD
DV
DD
10 14
9 15
AV
DD
DV
DD
+5V
+5V
C6
C14
CXD1172A
DIGITAL IC
AV
SS
AV
SS
16
DV
SS
8
DV
SS
b. When analog and digital supplies are from a common source
(i)
DV
DD
10 14
9 15
AV
DD
DV
DD
+5V
C6
C14
CXD1172A
AV
SS
AV
SS
16
DV
SS
8
DV
SS
DIGITAL IC
(ii)
DV
DD
+5V
C6
AV
SS
10 14
9 15
AV
DD
DV
DD
C14
CXD1172A
AV
SS
16
DV
SS
8
DV
SS
–8–
DIGITAL IC
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