B/W CCD PROCESSOR
KA7305
GENERAL DESCRIPTION
The KA7305 is a monolithic integrated circuit for B/W CCD camera 1 chip signal processor. It ...
Description
KA7305
GENERAL DESCRIPTION
The KA7305 is a monolithic integrated circuit for B/W CCD camera 1 chip signal processor. It contains functional block from CDS to video driver and 2 comparators for EE mode. Also, it performs a low power onsumption and a small dimension of set implementation by decreasing external parts as a 1 chip.
B/W CCD PROCESSOR
48-QFP-0707
FEATURES
* 5 Steps sample & hold. * 4 dB ~ 32 dB AGC gain control. * Built in 2 comparators for EE mode control. * EE mode WND / BLK selectable. * Gamma γ = 0.45 / Linear output separation. * Built in OP-AMP for AGC loop. * 3 Mode set-up control. * 2 Mode white / clip control. * 75 Ohm video driver & sag compensation.
ORDERING INFORMATION
Device KA7305 Package 48-QFP-0707 OperatingTemperature -20°C ~ +75°C
BLOCK DIAGRAM
9 7 DUMMY CLAMP 8 34 WIN/ BLK
1
4
3
2
48
41 42 + AGC AMP -
46
45
44
40
6 + OP AMP LUM DET 39 37 38
SAMPLE & HOLD
OB CLP
16 35 32 31 30 29
OB CLP
+ EE AMP GAMMA r=0.45
LIN
17 33
+ COMP + COMP 5 27 28 20 OB CLP
SET-UP CONTROL
WHITE CLIP
LUM & SYNC MIX
VIDEO DRIVE
26 19
43
18
21
22
23
24
25
36
KA7305
PIN CONFIGURATION
B/W CCD PROCESSOR
VIDEO OUT
IRIS OUT
IRIS CLP
CP1(+)
CP2(+)
CP1(-)
GND4
VCC3
CP2(-)
36 35 34 33 32 31 30 29 28 27 26 25
DET OUT 37 OP(+) OP(-) OP OUT
38 39 40
EEI
SAG
24 23 22 21 20
EE2
BLK SYNC W/C SET-UP VIDEO IN GND3 OUT LINEAR WIN/BLK N.C N.C N.C
AGCONT 41 AGCMAX 42 CLP1 CLP IN N.C VCC2
43 44 45
KA7305 B/W CCD PROCESSOR
19 18 17 16 15 1...
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