XRD9827ACU Datasheet

IC型號：
XRD9827ACU
PDF描述：
12-Bit Linear CIS/CCD Sensor Signal Processor with Serial Co...
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266.53KB
PDF頁數(shù)：
32頁
芯片廠家：
EXAR

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XRD9827

12-Bit Linear CIS/CCD Sensor

Signal Processor with Serial Control

May 2000-3

FEATURES

APPLICATIONS

路

12-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

3.3V or 5V Operation & I/O Compatibility

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 XRD9827 is a complete linear CIS or CCD sensor

signal processor on a single monolithic chip. The

XRD9827 includes a high speed 12-Bit resolution ADC,

a 6-Bit Programmable Gain Amplifier with gain adjust-

ment 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 XRD9827. 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

ORDERING INFORMATION

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 appli-

cations that do not require CDS function, such as low

cost data acquisition.

Package Type

20-Lead SOIC

20-Lead SSOP

Temperature Range

0擄C to +70擄C

Part Number

XRD9827ACD

XRD9827ACU

Rev. 1.20

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
XRD9827
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)
12
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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