參數(shù)資料
型號: AD9823KRUZ
廠商: Analog Devices Inc
文件頁數(shù): 1/8頁
文件大?。?/td> 0K
描述: IC CDS FOR DGTL CAMERA 14-TSSOP
標(biāo)準(zhǔn)包裝: 96
類型: CDS - 關(guān)聯(lián)雙倍取樣器
采樣率(每秒): 40M
電壓電源: 單電源
電源電壓: 2.7 V ~ 3.6 V
工作溫度: -25°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 14-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 14-TSSOP
包裝: 管件
產(chǎn)品目錄頁面: 781 (CN2011-ZH PDF)
Correlated Double Sampler (CDS)
AD9823
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
2003 Analog Devices, Inc. All rights reserved.
FEATURES
40 MHz correlated double sampler (CDS)
Fixed 3.5 dB CDS gain
Low noise optical black clamp circuit
3 V single-supply operation
14-lead TSSOP package
APPLICATIONS
Digital still cameras
Digital video camcorders
CCTV cameras
PC cameras
Portable CCD imaging devices
FUNCTIONAL BLOCK DIAGRAM
04538-0-001
CLP
CCDIN
3.5dB FIXED GAIN
VDD
GND
OUTPUT
REFOUT
AD9823
CDS
INTERNAL
REFERENCE
BYP3
BYP1
OUTPUT
BUFFER
OUTPUT
BUFFER
CLP
BYP2
SHD
SHP
INTERNAL
TIMING
Figure 1. Functional Block Diagram
PRODUCT DESCRIPTION
The AD9823 is a correlated double sampler for digital camera
applications. It features a 40 MHz CDS amplifier with 3.5 dB of
fixed gain, an internal voltage reference supply, and timing
control for the SHP and SHD sampling clocks. Output buffers
are also included, providing drive strength for PCB traces and
direct connection to an image signal processor such as the
AD9821.
The AD9823 is ideal for applications that need to place the CDS
and VGA/ADC circuits on separate PC boards. The “pseudo
differential” outputs of the AD9823 provide good signal
integrity when interfaced with the differential input AD9821.
The AD9823 operates from a single 3 V power supply, typically
dissipates 50 mW, and is packaged in a 14-lead TSSOP package.
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