ht82v24 Holtek Semiconductor Inc., ht82v24 Datasheet

ht82v24

Manufacturer Part Number

ht82v24

Description

Ht82v24 -- 16-bit, 15msps, 3-channel Ccd/cis Analog Signal Processor

Manufacturer

Holtek Semiconductor Inc.

Datasheet

1.HT82V24.pdf (21 pages)

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Features

Applications

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General Description

The HT82V24 is a complete analog signal processor for

CCD imaging applications. It features a 3-channel archi-

tecture designed to sample and condition the outputs of

tri-linear color CCD arrays. Each channel consists of an

input clamp, Correlated Double Sampler (CDS), offset

DAC and Programmable Gain Amplifier (PGA), and a

high performance 16-bit A/D converter.

The CDS amplifiers may be disabled for use with sen-

sors such as Contact Image Sensors (CIS) and CMOS

active pixel sensors, which do not require CDS.

Block Diagram

Rev. 1.00

Operating voltage: 5V

Low power consumption at 380mW (Typ.)

Power-down mode: Under 2 A (Typ.)

16-bit 15 MSPS A/D converter

Supports ADI/WM mode data output formats selec-

tion

Guaranteed won t miss codes

1~6x programmable gain

Correlated Double Sampling

300mV programmable offset

16-Bit, 15MSPS, 3-Channel CCD/CIS Analog Signal Processor

Digital color copiers

Multifunction peripherals

The 16-bit digital output is multiplexed into an 8/4-bit

output word that is accessed using two/four read cycles.

The internal registers are programmed through a 3-wire

serial interface, which provides gain, offset and operat-

ing mode adjustments. HT82V24 supports ADI/WM

mode data output formats.

The HT82V24 operates from a single 5V power supply,

typically consumes 380mW of power.

Input clamp circuitry

Internal voltage reference

Multiplexed byte/nibble-wide output (8 2/4 4 format)

Programmable 3-wire serial interface

3V/5V digital I/O compatibility

3-channel operation up to 5 MSPS for each channel

2-channel (Even-Odd) operation up to 7.5 MSPS for

each channel

1-channel operation up to 15 MSPS

20/28-pin SOP/SSOP package (Pb-free on request)

HT82V24

September 7, 2005

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