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參數(shù)資料
| 型號(hào)： | AD9821KST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | Complete 12-Bit 40 MSPS Imaging Signal Processor |
| 中文描述： | 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48 |
| 封裝： | 1.40 MM, PLASTIC, MS-026BBC, LQFP-48 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 277K |
| 代理商： | AD9821KST |
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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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
Tel: 781/329-4700Fax: 781/326-8703
Analog Devices, Inc., 2002AD9821
Complete 12-Bit 40 MSPS
Imaging Signal Processor
FEATURES
Differential Sensor Input with 1 V p-p Input Range
0 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)
Low Noise Optical Black Clamp Circuit
Analog Preblanking Function
12-Bit 40 MSPS A/D Converter (ADC)
3-Wire Serial Digital Interface
3 V Single-Supply Operation
Low Power: 150 mW @ 3 V Supply
48-Lead LQFP Package
APPLICATIONS
Digital Still Cameras Using CMOS Imagers
Industrial/Scientific Imaging
FUNCTIONAL BLOCK DIAGRAM
DATACLK
BAND GAP
REFERENCE
DOUT
VIN+
PBLK
VRT
VRB
0dB ~ 36dB
AVDD
DVDD
DVSS
AVSS
DRVDD
DRVSS
10
8
DIGITAL
INTERFACE
SDATA
SCK
SL
CLPOB
12
VGA
CLP
AD9821
INTERNAL
REGISTERS
12-BIT
ADC
BLK CLAMP
LEVEL
VIN–
BYP1
SHA
–
+
GENERAL DESCRIPTION
The AD9821 is a complete analog signal processor for imaging
applications that do not require Correlated Double Sampling
(CDS). It features a 40 MHz single-channel architecture designed
to sample and condition the outputs of CMOS imagers and CCD
arrays already containing on-chip CDS. The AD9821’s signal
chain consists of a differential input sample-and-hold amplifier
(SHA), digitally controlled variable gain amplifier (VGA), black
level clamp, and a 12-bit ADC.
The internal registers are programmed through a 3-wire serial
digital interface. Programmable features include gain adjust-
ment, black level adjustment, and power-down modes.
The AD9821 operates from a single 3 V power supply, typically
dissipates 150 mW, and is packaged in a 48-lead LQFP.
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| AD9822 | Complete 14-Bit CCD/CIS Signal Processor |
| AD9822JR | Complete 14-Bit CCD/CIS Signal Processor |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9821KSTRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3.3V 48-Pin LQFP T/R 制造商:Rochester Electronics LLC 功能描述:12 BIT 40 MSPS IMAGING SIGNAL PROCESSOR - Tape and Reel |
| AD9821KSTZ | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3.3V 48-Pin LQFP |
| AD9821KSTZRL | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3.3V 48-Pin LQFP T/R |
| AD9821KSTZRL7 | 制造商:Analog Devices 功能描述:AFE Video 1ADC 12-Bit 3.3V 48-Pin LQFP T/R 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9822 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Complete 14-Bit CCD/CIS Signal Processor |
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