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PDF CXA2069Q Data sheet ( Hoja de datos )
| Número de pieza | CXA2069Q | |
| Descripción | S2-Compatible 7-Input 3-Output Audio/Video Switch | |
| Fabricantes | Sony Corporation | |
| Logotipo |  |
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CXA2069Q
S2-Compatible 7-Input 3-Output Audio/Video Switch
Description
The CXA2069Q is a 7-input, 3-output audio/video
switch featuring I2C bus compatibility for TVs. This
IC has input pins that are compatible with S2
protocol.
64 pin QFP (Plastic)
Features
• 4 inputs that are compatible with S2 protocol
• Serial control with I2C bus
• 7 inputs, 3 outputs
• The desired inputs can be selected independently
for each of the 3 outputs
• Wide band video amplifier (20 MHz, –3 dB)
• Y/C MIX circuit
• Slave address can be changed (90H/92H)
• Audio muting from external pin
• High impedance maintained by I2C bus lines (SDA,
SCL) even when power is OFF
• Wide audio dynamic range (3 Vrms typ.)
Applications
Audio/video switch featuring I2C bus compatibility
for TVs
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage VCC
12
• Operating temperature
Topr
–20 to +75
• Storage temperature
Tstg –65 to +150
• Allowable power dissipation
PD 1300
Operating Conditions
Supply voltage
9±0.5
V
°C
°C
mW
V
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.
—1—
E96Y05B81
1 page  
CXA2069Q
Pin Pin
Symbol
No. voltage
Equivalent circuit
VCC
VCC
VCC
VCC
44 V/YOUT2 3.8 V
44
Description
Video signal output.
Either composite video signal output
or luminance signal output can be
selected by I2C bus control.
56 YOUT1 3.3 V
39 YOUT3 3.8 V
VCC
VCC
VCC
VCC
56
39
Video signal outputs.
Output luminance signals.
58 COUT1
47 COUT2 4.5 V
37 COUT3
VCC
VCC
VCC
VCC
58
47
37
Video signal outputs.
Output chrominance signals.
52 LOUT1
43 LOUT2
38 LOUT3
4.5V
54 ROUT1
45 ROUT2
40 ROUT3
6 S2-1
13 S2-2
20 S2-3
27 S2-4
—
VCC
54 52
45 43
40 38
VCC
56
20k
20k
VCC
6
VCC
13
147
20
27 100k
VCC
—5—
Audio signal outputs.
Zo=50 Ω (within DC ±2 mA)
Detects the S2-compatible DC
superimposed onto the C signal.
4 : 3 video signal at 1.3 V or less
4 : 3 letter-box signal at 1.3 V or more
to 2.5 V or less
16 : 9 picture squeezed signal at 2.5 V
or more
This pin is pulled down to GND by a
100 kΩ resistor, so the 4 : 3 video
signal is selected when open.
5 Page 
CXA2069Q
Measurement point
V
10µ
µcon
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
10k 10µ
52
10k 10µ
LOUT1
53 VOUT1
10k 10µ 54 ROUT1
55 TRAP1
10k 10µ
56 YOUT1
ADR
RV5
V5
LV5
32
1µ
31
0.47µ
30
1µ
29
600
75
600
S-4 28
57 VGND
10k 10µ
58 COUT1
600
1µ
59 LV6
75
0.47µ
60 V6
600
1µ
61 RV6
600
1µ
62 LTV
75 0.47µ
63 TV
600 1µ 64 RTV
CXA2069Q
S2-4 27
0.1µ
C4 26
75
1µ 600
RV4 25
0.47µ
Y4 24
75
1µ
LV4 23
600
0.47µ
V4 22
75
S-3 21
S2-3 20
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
A f=100Hz, 0.3Vp-p signal is applied to Vcc and the output signals from Pins 38, 40, 43, 45, 52 and 54 are measured.
Fig. 3 Audio system (ripple rejection ratio) measurement circuit
22µ
10µ
Measurement point
V
µcon
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
10k 10µ
52
10k 10µ
LOUT1
53 VOUT1
10k
10µ
54 ROUT1
55 TRAP1
10k 10µ
56 YOUT1
32
ADR
5.7k 1µ
RV5 31
600
0.47µ
V5 30
75
LV5 29 5.7k 1µ 600
S-4 28
57 VGND
10k 10µ
58 COUT1
600
1µ 5.7k
59 LV6
75
0.47µ
60 V6
600
1µ 5.7k
61 RV6
600 1µ 5.7k 62 LTV
75
0.47µ
63 TV
600
1µ
5.7k
64
RTV
CXA2069Q
S2-4 27
0.1µ 75
C4 26
5.7k 1µ 600
RV4 25
0.47µ
Y4 24
75
LV4 23 5.7k 1µ 600
V4 22 0.47µ 75
S-3 21
S2-3 20
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
V
Measurement point
Fig. 4 Audio system (output DC offset voltage) measurement circuit
—11—
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet CXA2069Q.PDF ] | |
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