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CXA2125Q

Sony Corporation
Part Number CXA2125Q
Manufacturer Sony Corporation
Description Audio/Video Switch with Electronic Volume for 3 Scart
Published Mar 27, 2005
Detailed Description CXA2125Q Audio/Video Switch with Electronic Volume for 3 Scart Description The CXA2125Q is an I2C programmable audio, vi...
Datasheet PDF File CXA2125Q PDF File

CXA2125Q
CXA2125Q


Overview
CXA2125Q Audio/Video Switch with Electronic Volume for 3 Scart Description The CXA2125Q is an I2C programmable audio, video switch designed primarily for set top box applications.
It interfaces from digital encoder sources to TV, VCR and auxiliary 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 • Scart Function Switching input and output • Scart Fast Blanking for OSD • Mono switchable to stereo on TV, VCR and AUX outputs • On-chip +12V to +9V voltage regulator • Logic output • Selectable +6dB, +12dB gain on TV output • RGB input on VCR scart • Compatible with 2 scart Audio/Video switch CXA2126Q 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 Operating Conditions • Supply voltage • Operating voltage 64 pin QFP (Plastic) 12 –20 to +75 –65 to +150 850 V °C °C mW 10.
7 to 12 9 ± 0.
5 V V 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– E99338-PS CXA2125Q Block Diagram Typical Connection Typical Connection DIG VCR AUX DIG BLUE VCR BLUE AUX BLUE DIG GREEN/CVBS VCR GREEN AUX GREEN DIG RED/CHROMA DIG CHROMA VCR RED/CHROMA AUX RED/CHROMA DIG CVBS/LUMA DIG CVBS/LUMA VCR CVBS/LUMA AUX CVBS/LUMA TV CVBS FBLK_IN1 52 FBLK_IN2 53 FBLK_IN3 51 VIN1 63 VIN2 61 VIN3 13 VIN4 2 FBLK_SW +5V 0V 100Ω 50 TV_FBLANK VIDEO_SWITCH1 (TV) ×2 100Ω 48 VOUT1 100Ω 47 VOUT2 TV GREEN TV TV BLUE VIN5 59 VIN6 15 VIN7 VIN8 4 6 ×2 VIN9 57 VIN10 17 VIN11 8 ×2 100Ω 46 VO...


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