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AK4223 - 6:2 Audio Switch and 6:2 Video Switch

General Description

The AK4223 is an AV switch with 6:2 audio and 6:2 video switches.

High performances with low power consumption are achieved by CMOS process.

Integrated differential input circuits in audio and video blocks can separate the external ground noise.

Key Features

  • 1. Audio Section.
  • Selector with 6 inputs and 2 outputs.
  • Differential Input Circuit for Ground Noise Canceling.
  • LPF Circuit for Audio signals.
  • Output Gain Control: 0dB ∼ - 6dB, -1dB Step.
  • S/(N+D): 90dB (@0dBV).
  • Dynamic Range: 94dB.
  • Channel-Independent Mute Function 2. Video Section.
  • Selector with 6 inputs and 2 outputs.
  • Six Composite Signal Inputs.
  • On-Chip Sync-tip Clamp Circuit.
  • Video Drivers for C.

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Full PDF Text Transcription (Reference)

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[AK4223] AK4223 6:2 Audio Switch and 6:2 Video Switch GENERAL DESCRIPTION The AK4223 is an AV switch with 6:2 audio and 6:2 video switches. High performances with low power consumption are achieved by CMOS process. Integrated differential input circuits in audio and video blocks can separate the external ground noise. In audio block, a differential input circuit, audio LPF and 0dB/-6dB gain amplifier are integrated eliminating the needs for external LPF for audio outputs. In video block, an input clamp circuit, 6dB amplifier and video driver are integrated, and they also eliminate the need for external circuits. The AK4223 is offered in a space saving small 48-pin LQFP package, ideal for car navigation applications. FEATURES 1.