Datasheet > BW1222L

BW1222L

更新时间： 2024-09-22 23:38:55

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BW1222L AFE For CCD/CIS Signal Processor\|Data Sheet

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BW1222L 数据手册

AFE FOR CCD/CIS SIGNAL PROCESSOR

BW1222L

GENERAL DESCRIPTION

FEATURES

The samsung analog front end(AFE) for CCD/CIS

image signal is an integrated analog signal

processor for color image signal.

• 10-bit 6MSPS A/D Converter

• Integrated Triple Correlated Double

Sampler

The AFE converts CCD/CIS output signal to digital

• 3-Channel 2 MSPS Color Mode

• Analog Programmble Gain Amplifier

• Internal Voltage Reference

• Wide clamp level controllability for

CIS signal

data.

The

AFE

includes

three-channel

circuit,

CDS(Correlated

Double

Sampler)

PGA(Programmable Gain Amplifier), and 10-bit

analog to digital converter with reference generator.

A parallel data bus provides a simple interface to

8-bit microcontroller.

• No Missing Code Guaranteed

• Microcontroller-Compatible Control

Interface

• Operation by 3.3V Power Supply

• CMOS Low Power Dissipation

APPLICATIONS

• Color and B/W Scanner

• Digital Copiers

KEY SPECIFICATION

• Resolution: 10-bit

• Facsimile

• Conversion Rate: 6 MHz(2 MHz*3)

• Supply Voltage: 3.3 V ± 5%

• Power Dissipation: 250 mW(Typical)

• General Purpose CCD/CIS imager

FUNCTIONAL BLOCK DIAGRAM

RED

CDS

PGA

REF

GREEN

D[9:0]

MUX

ADC

INPUT OFFSET

MPU

PORT

BLUE

GAIN

Ver 1.4 (Oct., 1998)

No responsibility is assumed by SEC for its use nor for any infringements of patents

or other rights of third parties that may result from its use. The content of this

datasheet is subject to change without any notice.

SAMSUNG ELECTRONICS Co. LTD

12 3 4 5 6 7...22

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