HT82V842-48LQFP-A HOLTEK [Holtek Semiconductor Inc], HT82V842-48LQFP-A Datasheet

HT82V842-48LQFP-A

Manufacturer Part Number

HT82V842-48LQFP-A

Description

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

Manufacturer

HOLTEK [Holtek Semiconductor Inc]

Datasheet

1.HT82V842-48LQFP-A.pdf (18 pages)

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Features

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,

Block Diagram

Rev. 1.00

Operating voltage: 2.7V~3.6V

Low power consumption: 70mW (Typ.)

Power down mode: less than 30 W

Accepts a direct signal input to ADC or PGA at 1.0

CCD signal input level: 1.1 V

10-bit ADC (up to 20MHz)

Black level neutralizer, target setting: 16~127LSB

Built-in serial interface

DNL: 0.6 LSB (Typ.)

(Typ.)

P-P

(Max.)

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

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.

Independent ADC input conversion clock and data

output clock

Independent CDS and PGA gain control

Wide gain range: 1.94~36dB

High speed sample and hold circuit: pulse width 11ns

(Min.)

48-pin LQFP package

CDS: 1.94/0/6/12dB

PGA: 0~24dB

HT82V842

July 15, 2004

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