Datasheet > AI9943

AI9943

更新时间： 2024-09-13 12:51:59

品牌	Logo	应用领域
A1PROS		/
页数	文件大小	规格书
17页	319K
描述
acomplete analog signal processor for CCD applications

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数据手册

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AI9943 数据手册

Ver0.1

Ai9943

A1 PROs

Complete 10-bit , 25MHz CCD Signal Processor

Features

General Description

The Ai9943 is a complete analog signal

processor for CCD applications. It features a

25 MHz single-channel architecture designed

to sample and condition the outputs of

interlaced and progressive scan area CCD

arrays. The signal chain for the Ai9943

consists of a correlated double sampler (CDS),

a digitally controlled variable gain amplifier

(VGA), and a black level clamp. The Ai9943

offers 10-bit ADC resolution.

- 25 MSPS correlated double sampler (CDS)

- 6 dB to 40 dB 10-bit variable gain amplifier (VGA)

- Low noise optical black clamp circuit

- Preblanking function

- 10-bit, 25 MSPS A/D converter

- No missing codes guaranteed

- 3-wire serial digital interface

- 3 V single-supply operation

- Space-saving 32-lead, 5 mm × 5 mm QFN package

Applications

The internal registers are programmed through

a 3-wire serial digital interface. Programmable

features include gain adjustment, black level

adjustment, input clock polarity, and power-

down modes. The Ai9943 operates from a

single 3 V power supply and typically

dissipates 79 mW.

- Digital still cameras

- Digital video camcorders

- PC cameras

- Portable CCD imaging devices

- CCTV cameras

Functional Block Diagram

12 3 4 5 6 7...17

中文翻译

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