Sony CXA2039M Datasheet
– 1 –
CXA2039M
24 pin SOP (Plastic)
E96X26C1Y-PS
Base Band Hue/Color Control
Description
The CXA2039M is a bipolar color difference signal
processing IC for color TVs. This chip enables base
band hue and color control for color difference
signals.
Features
• 2 UV inputs, 1 UV output
• 3 Y inputs, 2 Y outputs
(1 of the 2 outputs outputs either of 2 inputs.)
• Built-in color difference signal delay line circuit
Absolute Maximum Ratings
• Supply voltage VCC 12 V
• Operating temperature Topr –20 to +75 °C
• Storage temperature Tstg –65 to +150 °C
• Allowable power dissipation
P
D 780 mW
Operating Conditions
Supply voltage V
CC 9 ± 0.5 V
Applications
Color TVs
Structure
Bipolar silicon monolithic IC
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.
– 2 –
CXA2039M
CLAMP
Delay
Line
CLAMP
DRIVE
ATT
ATT
Y
ATT
ATT
YUV SW
R-Y
B-Y
ATT
HUE
COLOR
LEVEL
IREFCLAMP
13
14
15
16
17
18
19
20
21
22
23
24
11
12
2
3
4
5
6
7
8
9
10
1
V
CC
Y2 IN
RY2 IN
BY2 IN
GND
TV IN
Y SW
HUE
COLOR
DLY
GND
DLY SW
Y1 IN
RY1 IN
BY1 IN
GND
CLAMP
YUV SW
LEVEL
Y OUT
RY OUT
BY OUT
V
CC
TV OUT
Y2
R-Y2
B-Y2
Delay SW
Y SW
TV
Y1
R-Y1
B-Y1
Block Diagram
– 3 –
CXA2039M
Pin Description
Pin
No.
Symbol Pin voltage Equivalent circuit Description
1
2
3
Y1 IN
RY1 IN
BY1 IN
Y1, R-Y1 and B-Y1 signal inputs.
Input the signals via capacitors.
4
1420GND
GND.
6 YUV SW
YUV SW control.
YUV SW ≤ 0.4V →
Y2 IN, RY2 IN,
and BY2 IN
signals
selected.
YUV SW ≥ 1.0V →
Y1 IN, RY1 IN,
and BY1 IN
signals
selected.
VCC
1.5k
VCC
60k
6
5 CLAMP
Clamp pulse (positive polarity)
input.
VILMAX = 2.5V
VIHMIN = 3.5V
VCC
8k
5
VCC
20p
7 LEVEL
RY OUT, BY OUT and TV OUT
output level control.
VILMAX = 6.0V
VIHMIN = 6.8V
7
VCC
56k
36k
8 Y OUT
Y signal output.
Outputs the signals input to Pins 1
and 23 attenuated by –6dB.
VCC
VCCVCC
20k
4k
8
2
3
1
VCC VCC VCC
70k
1.5k
– 4 –
CXA2039M
9 RY OUT R-Y signal output.
VCC
VCCVCC
30k
4k
9
10 BY OUT B-Y signal output.
VCC
VCCVCC
30k
4k
10
12 TV OUT Y signal output.
VCC
VCC
30k
3k
1k
12
13 DLY SW
Delay on/off switching signal
input.
DLY SW ≤ 1.4V → Delay off
DLY SW ≥ 2.2V → Delay on
13
60k
VCC
15 DLY
Delay line reference current
setting. Connect to GND via a
resistor. When 10kΩ is
connected, the delay time is
600ns. Increasing the resistance
value increases the delay time
and vice versa.
VCC
40k
15
18k
11
24
VCC 9V Power supply.
Pin
No.
Symbol Pin voltage Equivalent circuit Description
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