CXA7002R中文資料索尼數(shù)據(jù)手冊PDF規(guī)格書

Description

The Sony CXA7002R is an Audio/Video switch designed primarily for application in Digital Set Top Boxes. It provides video and audio routing from the digital encoder source to the TV and VCR scart (peri-television) connectors. In addition, the TV audio output has a programmable volume control. The chip is programmed by means of an I2C interface and can operate from a single or dual power supply.

Target specifications:Canal+, BSkyB, TPS, NorDig, and ECCA Euro-Box

Features

Supply

? Single: 0V, +5V, +12V

? Dual: 0V, –5V, +5V and +12V

(Low number of external parts required)

Video

? 2 scart switching (VCR, TV)

? VCR input supports RGB mode

? Integrated 75?drivers for direct video connection

? Y/C mixer with trap for RF modulators

? Switchable clamps on inputs

? Low pass filters on six inputs

? Controllable gain on encoder inputs

? Adjustable gain on RGB outputs

? Video output shutdown for low power modes

? Fast blanking switch

? Slow blanking switch for TV and VCR output

? SVHS switch on VCR output

? Y/C auxiliary input

Audio

? Four stereo audio inputs

? Volume control (–56dB to +6dB in 2dB steps)

? Additional +6dB gain on audio DAC inputs

? Audio overlay facility

? Volume bypass for TV and Phono outputs

? Mono switching on TV, VCR outputs

? Switchable audio limiter function

? Switchable Mono output for RF modulators

? Audio output disable for standby mode

Applications

? Digital Set Top Box

? Integrated digital television