AK4223

更新时间： 2024-11-03 07:16:11

品牌	Logo	应用领域
AKM		开关
页数	文件大小	规格书
27页	352K
描述
6:2 Audio Switch and 6:2 Video Switch

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AK4223 数据手册

[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. 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 Composite Signal Output (+6dB/+3dB/0dB/-3dB)

• Output Gain Control: -1dB ∼ +1dB, 0.1dB Step

• LPF Circuit for Video signals (Bandwidth: 6MHz)

• S/N: 65dB

• Channel-Independent Mute Function

3. Control Section

• Serial µP I/F (I²C)

4. Power Supply: 7.5V ∼ 9.5V

5. Ta = -40 ∼ 85 °C

6. Package: 48pin LQFP

MS1251-E-00

2010/10

12 3 4 5 6 7...27

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