Sony ICX274AQ Drive Circuit, addition mode and center scan mode (2)., DCIN before adjusting the substrate bias in 2-line, Switch the substrate bias adjustment input voltage to, Note) Substrate bias control

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ICX274AQ
Drive Circuit
3.3V
XV3
15V
XSG3C
XV2
XSG2C
XSUB
XV3
XSG3B XSG3A
XV2
XSG2B XSG2A
XV4 XV1
Hφ
1A
Hφ
2A
Hφ
1B
Hφ
2B
φRG
VSUB
CCD OUT
–7.5V
0.1
0.1
0.1
0.1
0.1
0.1
0.01
0.1
2200p
3.3/16V
3.3/20V
0.1
0.1
1/35V
100k
1M
4.7k
2SC4250
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
ICX274
(BOTTOM VIEW)
Vφ 4
Vφ 3A
Vφ 3B
Vφ 3C
Vφ 2A
Vφ 2B
Vφ 2C
Vφ 1
GND
V
OUT
Hφ 2A
Hφ 1A
V L
C SUB
φSUB
GND
Hφ
1B
Hφ 2B
φRG
V
DD
11 12 13 14 15 16 17 18 19 20
10
9 8 7 6 5 4 3 2 1
CXD3400N
11 12 13 14 15 16 17 18 19 20
10
9 8 7 6 5 4 3 2 1
CXD3400N
DCIN GND V
SUB2
V
SUB
2-line addition mode Center scan mode (2)
Substrate bias adjustment input voltage (VSUB in the circuit diagram above) Substrate bias φSUB pin voltage Modes other than the above
(Internally generated value)
Note) Substrate bias control
Switch the substrate bias adjustment input voltage to DCIN before adjusting the substrate bias in 2-line addition mode and center scan mode (2).