AK4220 Datasheet PDF - Asahi Kasei Microsystems

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AK4220
Asahi Kasei Microsystems

Part Number AK4220
Description 7:3 Audio Switch and 6:3 Video Switch
Page 30 Pages

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I [AK4220]
AK4220
7:3 Audio Switch and 6:3 Video Switch
GENERAL DESCRIPTION
The AK4220 is an AV Switch with 7:3 Audio Switches and 6:3 Video Switches. Using CMOS process to
offer the high performance with low power consumption. In the Audio section, on-chip differential input
circuit could separate the external ground noise. The AK4220 integrates a pop noise free circuit for power
on/pff. The AK4220 is offered in a space saving 64-pin LQFP package, ideal for car navigation
applications.
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FEATURES
1. Audio Section
Selector for 7 inputs and 3 outputs
Differential Input Circuit for Ground Noise Cannel
THD+N: -92dB (@1Vrms)
Dynamic Range: 96dB
Channel-Independent Output Off
Pop Noise Free Circuit for Power On/Off
Channel-Independent Input Detection Circuit
2. Video Section
Selector for 6 inputs and 3 outputs
Six Composite Signal Inputs
Video Driver for Composite Signal Output (+6dB)
Channel-Independent Hi-Z Output
On-Chip Sync-tip Clamp Circuit
Frequency Range: 6MHz
S/N: 74dB
Input Detection Circuit
3. Control Section
Serial µP I/F (I2C, 4-wires serial)
Five Programmable Output pins
4. Power Supply
Analog: 4.5V ~ 5.5V
Digital: 3.0V ~ 3.6V
Low Power Consumption: 186mW
5. Ta = -40 85 °C
6. Package: 64pin LQFP
MS0627-E-00
-1-
2007/05

AK4220 datasheet pdf
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