Description

The Sony CXA2163Q-T6 is an Audio/Video switch primarily designed for use in Digital Set Top Boxes. It enables video and audio routing from the digital encoder source to the TV and VCR scart connectors, with programmable volume control for the TV audio output. The chip can be programmed using an I2C interface and can operate with a single or dual power supply. It is compatible with Canal+, BSkyB, TPS, NorDig, and ECCA Euro-Box specifications.

Specifications and features

- Supply: Single (0V, +5V, +12V) or dual (0V, –5V, +5V, and +12V) power supply options.

- Video: Supports 2 scart switching for VCR and TV, with VCR input supporting RGB mode. Integrated 75Ω drivers allow for direct video connection, and there is a Y/C mixer with a trap for RF modulators. The chip also has switchable clamps on inputs, adjustable gain on RGB outputs, video output shutdown for low power modes, and fast and slow blanking switches for TV and VCR outputs. Additionally, there is an SVHS switch on the VCR output and a Y/C auxiliary input.

- Audio: Features four stereo audio inputs, volume control ranging from -56dB to +6dB in 2dB steps, and switchable gain on audio DAC inputs. It also includes an audio overlay facility, volume bypass for TV and Phono outputs, mono switching on TV and VCR outputs, high drive capability for 600Ω loads, switchable audio limiter function, switchable mono output for RF modulators, and audio output disable.

- I2C and Logic: The chip supports a fast mode compatible I2C bus, a function monitor with loop through, interrupt output for the function monitor, logic output pin, and sync detector for Y/CVBS inputs.

Application Scenarios

- Digital Set Top Box

- Integrated digital television

Comparison