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AK4254 - Capacitor-less Video Amp

Datasheet Summary

Description

The AK4254 is a 2ch Video AMP with 7:2 video switch, input clamp circuit, LPF and charge pump circuit.

The integrated charge pump circuit can generate the negative power supply and remove the output coupling capacitor.

The AK4254 suits Car Navigation system.

Features

  • www. DataSheet4U. com 1. Video Section.
  • Composite Signal Inputs/Output.
  • Selector for 7 inputs and 2 outputs.
  • Video Driver for Composite Signal Output (+6dB).
  • On-Chip Sync-tip Clamp Circuit.
  • 6MHz Low Pass Filter.
  • Charge pump circuit for negative power supply.
  • Parallel I/F or Serial µP I/F (I2C, 3-wires serial) 2. Power Supply: 2.7V ~ 3.6V 3. Ta=-40 ∼ +85°C 4. Package: 30pin VSOP VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 Sync-tip Clamp AVDD AV.

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Datasheet preview – AK4254

Datasheet Details

Part number AK4254
Manufacturer Asahi Kasei Microsystems
File Size 380.04 KB
Description Capacitor-less Video Amp
Datasheet download datasheet AK4254 Datasheet
Additional preview pages of the AK4254 datasheet.

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Full PDF Text Transcription

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[AK4254] AK4254 Capacitor-less Video Amp with 7:2 Video Switch GENERAL DESCRIPTION The AK4254 is a 2ch Video AMP with 7:2 video switch, input clamp circuit, LPF and charge pump circuit. The integrated charge pump circuit can generate the negative power supply and remove the output coupling capacitor. The AK4254 suits Car Navigation system. The AK4254 is offered in a space saving 30pin VSOP package. FEATURES www.DataSheet4U.com 1. Video Section • Composite Signal Inputs/Output • Selector for 7 inputs and 2 outputs • Video Driver for Composite Signal Output (+6dB) • On-Chip Sync-tip Clamp Circuit • 6MHz Low Pass Filter • Charge pump circuit for negative power supply • Parallel I/F or Serial µP I/F (I2C, 3-wires serial) 2. Power Supply: 2.7V ~ 3.6V 3. Ta=-40 ∼ +85°C 4.
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