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參數(shù)資料
| 型號： | AD9802 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | .50" x 50 Black/Clear 240 Industrial Label Supply RoHS Compliant: NA |
| 中文描述： | CCD信號處理器電子照相機 |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 366K |
| 代理商： | AD9802 |
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
AD9802
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1997
CCDSignal Processor
For Electronic Cameras
FUNCT IONAL BLOCK DIAGRAM
SHP
AD9802
PGACONT1 PGACONT2
CLAMP
CLPDM
PBLK
PIN
DIN
SHD ADCCLK
TIMING
GENERATOR
CMLEVEL VRT VRB STBY
REFERENCE
S/H
CLPOB
CLAMP
DOUT
10
PGA
CDS
A/D
ADCIN
ADCMODE
MUX
DRVDD
DVDD
ADVDD
ACVDD
FEATURES
10-Bit, 18 MSPS A/D Converter
18 MSPS Full Speed Correlated Double Sampler (CDS)
Low Noise, Wideband PGA
Internal Voltage Reference
No Missing Codes Guaranteed
+3 V Single Supply Operation
Low Power CMOS: 185 mW
48-Terminal TQFP Package
PRODUCT HIGHLIGHT S
1. On-Chip Input Clamp and CDS
Clamp circuitry and high speed correlated double sampler
allow for simple ac-coupling to interface a CCD sensor at full
18 MSPS conversion rate.
2. On-Chip PGA
T he AD9802 includes a low-noise, wideband amplifier with
analog variable gain from 0 dB to 31.5 dB (linear in dB).
3. Direct ADC Input
A direct input to the 10-bit A/D converter is provided for
digitizing video signals.
4. 10-Bit, High Speed A/D Converter
A linear 10-bit ADC is capable of digitizing CCD signals at
the full 18 MSPS conversion rate. T ypical DNL is
±
0.5 LSB
and no missing code performance is guaranteed.
5. Low Power
At 185 mW, and 15 mW in power-down, the AD9802 con-
sumes a fraction of the power of presently available multichip
solutions.
6. Digital I/O Functionality
T he AD9802 offers three-state digital output control.
7. Small Package
Packaged in a 48-terminal, surface-mount thin quad flatpack,
the AD9802 is well suited to very compact, low headroom
designs.
PRODUCT DE SCRIPT ION
T he AD9802 is a complete CCD signal processor developed
for electronic cameras. It is suitable for both camcorder and
consumer-level still camera applications.
T he signal processing chain is comprised of a high speed CDS,
variable gain PGA and 10-bit ADC. Required clamping cir-
cuitry and an onboard voltage reference are provided as well as a
direct ADC input. T he AD9802 operates from a single +3 V
supply with a typical power consumption of 185 mW.
T he AD9802 is packaged in a space saving 48-terminal thin
quad flatpack (T QFP) and is specified over an operating tem-
perature range of 0
°
C to +70
°
C.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9802JST | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9802JSTRL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| AD9803 | 制造商:AD 制造商全稱:Analog Devices 功能描述:CCD Signal Processor For Electronic Cameras |
| AD9803JST | 制造商:Rochester Electronics LLC 功能描述: |
| AD9803JST-28 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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