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Sony Semiconductor Electronic Components Datasheet

CXA2078Q Datasheet

I2C Bus-Compatible Audio/Video Switch with Electronic Volume

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CXA2078Q pdf
CXA2078Q
I2C Bus-Compatible Audio/Video Switch with Electronic Volume
Description
The CXA2078Q is an I2C programmable audio,
video switch designed for set top box applications. It
interfaces from digital encoder sources to TV, VCR
and auxilliary scart connectors.
Features
3 scart independent audio/video switching (TV, VCR,
AUX)
0 to –63dB volume control with click noise reduction
5 stereo audio inputs
I2C control with two address setting
Scart Function Switching input and output
Scart Fast Blanking for OSD
RF modulator output with Y/C mix option
On-chip +12V to +9V voltage regulator
4 logic outputs
Applications
Audio/Video switch featuring I2C bus compatibility
for set top box
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
Supply voltage
VCC
Operating temperature Topr
Storage temperature Tstg
Allowable power dissipation
PD
12
–20 to +75
–65 to +150
500
V
°C
°C
mW
Operating Conditions
Supply voltage
Operating voltage
+10.7 to +12
9 ± 0.5
V
V
64 pin QFP (Plastic)
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–
E97843-PS


Sony Semiconductor Electronic Components Datasheet

CXA2078Q Datasheet

I2C Bus-Compatible Audio/Video Switch with Electronic Volume

No Preview Available !

CXA2078Q pdf
Pin Configuration
CXA2078Q
51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
VOUT2 52
FBLK_OUT 53
VOUT1 54
VCC_12V 55
VREG_9V 56
VREG_BASE 57
VIDEO_VCC 58
RIN5 59
FBLK_IN2 60
LIN5 61
VIN1 62
RIN1 63
VIN3 64
32 ROUT1
31 VOUT5
30 LOUT1
29 VOUT6
28 ROUT2
27 VOUT7
26 LOUT2
25 AUDIO_VCC
24 VIN12
23 BIAS_AUDIO
22 VIN8
21 LIN3
20 VIN4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
–2–


Part Number CXA2078Q
Description I2C Bus-Compatible Audio/Video Switch with Electronic Volume
Maker Sony Corporation
Total Page 30 Pages
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