Datasheet > HT82V842

HT82V842

更新时间： 2024-11-17 21:55:19

品牌	Logo	应用领域
台湾合泰/盛群 - HOLTEK		/
页数	文件大小	规格书
18页	161K
描述
CCD CDS/PGA/10b-20M-ADC

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中文翻译

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数据手册

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HT82V842 数据手册

HT82V842

CCD CDS/PGA/10b-20M-ADC

Features

Operating voltage: 2.7V~3.6V

Independent ADC input conversion clock and data

output clock

Low power consumption: 70mW (Typ.)

Power down mode: less than 30mW

Accepts a direct signal input to ADC or PGA at 1.0

Independent CDS and PGA gain control

CDS: -1.94/0/6/12dB

PGA: 0~24dB

_PP(Typ.)

Wide gain range: -1.94~36dB

CCD signal input level: 1.1 V_P-P(Max.)

10-bit ADC (up to 20MHz)

High speed sample and hold circuit: pulse width 11ns

(Min.)

DNL: ±0.6 LSB (Typ.)

Black level neutralizer, target setting: 16~127LSB

48-pin LQFP package

Built-in serial interface

General Description

The HT82V842 is a CMOS single-chip signal process-

ing device for CCD area sensors. It consists of a clamp

circuit, Correlated Double Sampler (CDS), Programma-

ble Gain Amplifier (PGA), reference voltage generator,

black level detection circuit, 20MHz 10-bit A/D converter

(ADC), timing generator for internally required pulses,

serial interface for internal function control and PGA

gain control.

Block Diagram

(

)

Rev. 1.00

July 15, 2004

12 3 4 5 6 7...18

中文翻译

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