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Sony Semiconductor Electronic Components Datasheet

CXA1592R Datasheet

Encoder for CCD Color Camera

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CXA1592Q/R
Encoder for CCD Color Camera
Description
The CXA1592Q/R is a bipolar IC developed as an
encoder for CCD color cameras.
Color difference and luminance signals are input
to be output as composite video and Y/C separate
signals.
The CXA1592 is a variant of the CXA1392 in
which the down/up ratio and level of shapness
signal have been changed from 1 : 3 to 1.5 : 1.5.
Features
Carrier balance adjustment unnecessary
(Carrier leak above 36 dB against burst)
High S/N
Low power consumption (140mW)
Applications
CCD camera
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCC 7 V
Storage temperature
Tstg –65 to +150 °C
Allowable power dissipation PD
600 mW
Block Diagram and Pin Configuration
CXA1592Q
48 pin QFP (Plastic)
CXA1592R
48 pin LQFP (Plastic)
Structure
Bipolar silicon monolithic IC
Operating Conditions
Supply voltage
Ambient temperature
VCC 4.75 to 5.25 V
Topr –20 to +75 °C
YTBLK 37
NOISESLICE 38
YHCLP 39
YHIN 40
YL-YHCLP 41
YL-YHIN 42
AGND 43
CLP4 44
CLP2 45
BLEVEL 46
B-YIN 47
B-YCLP 48
36 35 34 33 32 31 30 29 28 27 26 25
LEVEL
CONT
LEVEL
CONT
1/2
HAP GAIN
SLICE BLK
YTBLK
LEVEL
CONT
LOGIC REF V
SYNC
C BLK
CLP4
BLK
ADO GC
CLP2 WC
SETUP SYNC
ADO
1.4 TYP
CLP4
×1.6
CLP4
BURST
3/2
CLP2
MOD
BLK
2/3 TYP
ADO GC
24 WCLEVEL
23 SETUPCLP
22 YOUT
21 VOUT
20 CHROMA
19 DGND
18 CIN
17 AVCC
16 COUT
CLP4
BURST
3/2
CLP2
MOD
BLK
ADO CLP4 15 CSY
LOGIC
14 CSAGC
B.GEN
1/4
MODE 13 MODE
GEN
BFG
1 2 3 4 5 6 7 8 9 10 11 12
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E91537A78


Sony Semiconductor Electronic Components Datasheet

CXA1592R Datasheet

Encoder for CCD Color Camera

No Preview Available !

CXA1592Q/R
Pin Description
Pin No.
Symbol
Pin voltage
1 R-Y IN
3V 1
Equivalent circuit
Description
1k
140
140
2k
10µA
AVCC
R-Y signal input pin.
Clamped internally through
C cut input.
AGND
2 R-Y CLP
3.4V
2
1k
140
140
2k
10µA
AVCC
AGND
Pin connecting the capacitor
for R-Y modulator clamp.
Setting the capacitance to
too small a value will enlarge
the carrier leak.
0.1µF and above is
recommended.
3 DVCC
5V
DVCC
3
Power supply pin for the 1/4
counter block.
4 4FSCIN
5 LALT
14.32MHz
4
1Vp-p
DC 2.5V
0V 5
DVCC
1k
20k
80µA
80µA
Input pin for the 4FSC used
to make up the Sub Carrier.
Input through C cut.
Set amplitude to over
500mVp-p.
DGND
DVCC
1k Input pin for Line Alternate
signal during PAL mode.
140 VTH is at 2.5V. Input a pulse
with an amplitude larger than
80µA
DGND
VTH ±0.5V.
Set to GND during NTSC
mode.
–2–


Part Number CXA1592R
Description Encoder for CCD Color Camera
Maker Sony Corporation
Total Page 23 Pages
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