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Sony Semiconductor Electronic Components Datasheet

CXA2126Q Datasheet

Audio/Video Switch with Electronic Volume for 2 Scart

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CXA2126Q
Audio/Video Switch with Electronic Volume for 2 Scart
Description
The CXA2126Q is an I2C programmable audio, video
switch designed primarily for set top box applications. It
interfaces from digital encoder sources to TV and VCR
scart connectors.
Features
2 scart independent audio/video switching (TV, VCR)
Compatible with 3 scart Audio/Video switch,
CXA2125Q
0 to –63dB volume control with click noise reduction
3 stereo audio inputs
I2C control
Scart Function Switching input and output
Scart Fast Blanking for OSD
Mono switchable to stereo on TV and VCR outputs
On-chip +12V to +9V voltage regulator
Logic output
Selectable +6dB, +12dB gain on TV output
RGB input on VCR scart
Applications
Digital 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
850
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–
E99339-PS


Sony Semiconductor Electronic Components Datasheet

CXA2126Q Datasheet

Audio/Video Switch with Electronic Volume for 2 Scart

No Preview Available !

CXA2126Q
Block Diagram
Typical Connection
DIG
VCR
FBLK_IN1 52
FBLK_IN2 53
DIG BLUE
VCR BLUE
DIG GREEN/CVBS
VCR GREEN
DIG RED/CHROMA
DIG CHROMA
VCR RED/CHROMA
DIG CVBS/LUMA
DIG CVBS/LUMA
VCR CVBS/LUMA
TV CVBS
VIN1 63
VIN2 61
VIN3 2
VIN4 59
VIN5 4
VIN6 6
VIN7 57
VIN8 8
VIN9 10
VIN10 55
VIN11 23
VID_VCC 60
VID_BIAS 62
VID_GND 7
AUD_VCC 20
AUD_BIAS 19
AUD_GND 26
DIG_VCC 38
DIG_GND 43
VCC_12V 58
VREG_BASE 56
VREG_9V 54
4.05V
Bias 1
4.5V
Bias 2
9V reg
RIN1 (DIG) 3
RIN2 (VCR) 12
RIN3 (TV) 22
LIN1 (DIG) 5
LIN2 (VCR) 14
LIN3 (TV) 24
–6dB
–6dB
–6dB
–6dB
FBLK_SW
+5V
0V
VIDEO_SWITCH1 (TV)
×2
×2
×2
VIDEO_SWITCH2 (VCR)
×2
×2
Bias
Mute
×2
100
100
100
100
100
100
100
VOLUME CONTROL
AUDIO_SWITCH1 (TV) & MUTE
×2
×2
8dB 1dB 0/6dB
ZCD
×2
×2
8dB 1dB
AUDIO_SWITCH2 (VCR)
0/6dB
MONO SWITCH
×2
Selectable Gain Stage
×2
Bias Mute
4.5V
SDA 11
SCL 9
FNC_VCR 64
HW_MUTE 45
Monitor
I2C
Interface
LOGIC
P.O.D
3.3V or 5V
×2
MONO SWITCH
Typical Connection
50 TV_FBLANK
48 VOUT1
TV BLUE
47 VOUT2
TV GREEN
TV
46 VOUT3
TV RED/C
49 VOUT4
TV CVBS/Y
41 VOUT5
VCR CHROMA
VCR
44 VOUT6
VCR CVBS/Y
33 MONO
35 PHONO_R
40 RTV
42 LTV
TV
37 PHONO_L
34 ROUT1
36 LOUT1
VCR
30 FNC_TV
28 LOGIC
–2–


Part Number CXA2126Q
Description Audio/Video Switch with Electronic Volume for 2 Scart
Maker Sony Corporation
Total Page 30 Pages
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