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參數(shù)資料
| 型號(hào)： | AD9944KCPZRL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CCD SIGNAL PROCESSOR 32-LFCSP |
| 標(biāo)準(zhǔn)包裝： | 5,000 |
| 類型： | CCD 信號(hào)處理器，12 位 |
| 輸入類型： | 邏輯 |
| 輸出類型： | 邏輯 |
| 接口： | 3 線串口 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 32-LFCSP-VQ（5x5） |
| 包裝： | 帶卷 (TR) |
Complete 10-Bit and 12-Bit, 25 MHz
CCD Signal Processors
Data Sheet
FEATURES
25 MSPS correlated double sampler (CDS)
6 dB to 40 dB 10-bit variable gain amplifier (VGA)
Low noise optical black clamp circuit
Preblanking function
No missing codes guaranteed
3-wire serial digital interface
3 V single-supply operation
Space-saving 32-lead 5 mm × 5 mm LFCSP package
APPLICATIONS
Digital still cameras
Digital video camcorders
PC cameras
Portable CCD imaging devices
CCTV cameras
GENERAL DESCRIPTION
for CCD applications. They feature a 25 MHz single-channel
architecture designed to sample and condition the outputs of
interlaced and progressive scan area CCD arrays. The signal
sampler (CDS), a digitally controlled variable gain amplifier
(VGA), and a black level clamp. The AD9943 offers 10-bit
ADC resolution, while the AD9944 contains a true 12-bit ADC.
The internal registers are programmed through a 3-wire
serial digital interface. Programmable features include gain
adjustment, black level adjustment, input clock polarity, and
single 3 V power supply, typically dissipate 79 mW, and are
packaged in space-saving 32-lead LFCSP packages.
FUNCTIONAL BLOCK DIAGRAM
Figure 1. Functional Block Diagram
DATACLK
SHD
SHP
BAND GAP
REFERENCE
DOUT
CCDIN
PBLK
REFT
REFB
INTERNAL
TIMING
6dB–40dB
AVDD
DVDD
DVSS
AVSS
DRVDD
DRVSS
10
DIGITAL
INTERFACE
SDATA
SCK
SL
CLPOB
10/12
CDS
VGA
CLP
AD9943/AD9944
CONTROL
REGISTERS
10-/12-BIT
ADC
02905-B-001
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
2004–2014 Analog Devices, Inc. All rights reserved.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9944KCPZRL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 10-Bit and 12-Bit, 25 MHz CCD Signal Processors |
| AD9945 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 12-Bit 40 MHz CCD Signal Processor |
| AD9945KCP | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3V 32-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:12 BIT 40 MSPS FRONT END CONVERTER - Bulk |
| AD9945KCPRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3V 32-Pin LFCSP EP T/R 制造商:Rochester Electronics LLC 功能描述:12 BIT 40 MSPS FRONT END CONVERTER - Tape and Reel |
| AD9945KCPRL7 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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