XRD9824ACU Datasheet

IC型號(hào)：
XRD9824ACU
PDF描述：
Signal Conditioner
文件大小：
194.85KB
PDF頁(yè)數(shù)：
32頁(yè)
芯片廠家：
ETC

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XRD9824

14-Bit Linear CIS/CCD Sensor

Signal Processor with Serial Control

October 2000-1

FEATURES

APPLICATIONS

路

14-Bit Resolution, No Missing Codes

One-channel 6MSPS Pixel Rate

Triple-channel 2MSPS Pixel Rate

6-Bit Programmable Gain Amplifier

8-Bit Programmable Offset Adjustment

CIS or CCD Compatibility

Internal Clamp for CIS or CCD AC Coupled

Configurations

5V Operation

Serial Load Control Registers

Low Power CMOS: 200mW-typ

Low Cost 20-Lead Packages

USB Compliant

路

Color and Grayscale Flatbed Scanners

Color and Grayscale Sheetfed Scanners

Multifunction Peripherals

Digital Color Copiers

General Purpose CIS or CCD Imaging

Low Cost Data Acquisition

Simple and Direct Interface to Canon 600 DPI

Sensors

GENERAL DESCRIPTION

The XRD9824 is a complete linear CIS or CCD sensor

signal processor on a single monolithic chip. The

XRD9824 includes a high speed 14-bit resolution

ADC, a 6-bit Programmable Gain Amplifier with gain

adjustment of 1 to 10, and 8-bit programmable input

referred offset calibration range of 800mV.

In the CCD configuration the input signal is AC

coupled with an external capacitor. An internal clamp

sets the black level. In the CIS configuration, the

clamp switch can be disabled and the CIS output

signal is DC coupled from the CIS sensor to the

XRD9824. The CIS signal is level shifted to VRB in

order to use the full range of the ADC. In the CIS

configuration the input can also be AC coupled similar

to the CCD configuration. This enables CIS signals

with large black levels to be internally clamped to a DC

reference equal to the black level. The DC reference

is internally subtracted from the input signal.

The CIS configuration can also be used in other

applications that do not require CDS function, such as

low cost data acquisition.

ORDERING INFORMATION

Package Type

20-Lead SOIC

20-Lead SSOP

Temperature Range

0擄C to +70擄C

Part Number

XRD9824ACD

XRD9824ACU

Rev. 2.10

EXAR

Corporation, 48720 Kato Road, Fremont, CA 94538

鈥?/div>

(510) 668-7000

鈥?/div>

FAX (510) 668-7017

鈥?/div>

www.exar.com

數(shù)據(jù)列表
XRD9824
標(biāo)準(zhǔn)包裝
66
類別
集成電路 (IC)
家庭
數(shù)據(jù)采集 - 模擬前端 (AFE)
系列
-
位數(shù)
14
通道數(shù)
3
功率（瓦特）
-
電壓 - 電源，模擬
3 V ~ 5.5V
電壓 - 電源，數(shù)字
3 V ~ 5.5 V
封裝/外殼
20-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝
20-SSOP
包裝
管件

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