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參數(shù)資料
| 型號(hào)： | AD9920A |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 12-Bit CCD Signal Processor with V-Driver and Precision Timing Generator |
| 中文描述： | 12位CCD信號(hào)處理器與V - Driver和精密時(shí)序發(fā)生器 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 69K |
| 代理商： | AD9920A |
12-Bit CCD Signal Processor with V-Driver
and
Precision Timing
Generator
AD9920A
FEATURES
Rev. Sp0
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: 781.461.3113
2007 Analog Devices, Inc. All rights reserved.
www.analog.com
Integrated 19-channel V-driver
1.8 V AFETG core
24 programmable vertical clock signals
Correlated double sampler (CDS) with 3 dB, 0 dB,
+3 dB, and +6 dB gain
12-bit, 40.5 MHz analog-to-digital converter (ADC)
Black level clamp with variable level control
Complete on-chip timing generator
Precision Timing
core with ~400 ps resolution
On-chip 3 V horizontal and RG drivers
General-purpose outputs (GPOs) for shutter and
system support
On-chip sync generator with external sync input
On-chip 1.8 V low dropout (LDO)
105-lead 8 mm × 8 mm CSP_BGA package
APPLICATIONS
Digital still cameras
GENERAL DESCRIPTION
The AD9920A is a highly integrated charge-coupled device (CCD)
signal processor for digital still camera applications. It includes a
complete analog front end (AFE) with analog-to-digital conversion,
combined with a full-function programmable timing generator
and 19-channel vertical driver (V-driver). The timing generator
is capable of supporting up to 26 vertical clock signals to control
advanced CCDs. The on-chip V-driver supports up to 19 channels
for use with 6-field CCDs. A
Precision Timing
core allows adjust-
ment of high speed clocks with approximately 400 ps resolution
at 40.5 MHz operation. The AD9920A also contains six GPOs
that can be used for shutter and system functions.
The analog front end includes black level clamping, variable
gain CDS, and a 12-bit ADC. The timing generator provides all
the necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate
pulses, substrate clock, and substrate bias control.
The AD9920A is specified over an operating temperature range
of 25°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
REFT REFB
AD9920A
CDS
VGA
CLAMP
12-BIT
ADC
DCLK
SCK
SDATA
CLI
VREF
6dB TO 42dB
HORIZONTAL
DRIVERS
VERTICAL
TIMING
CONTROL
RG
H1 TO H8
24
GPO5
GPO6
PRECISION
TIMING
GENERATOR
SYNC
GENERATOR
INTERNAL CLOCKS
HD
VD
INTERNAL
REGISTERS
CCDIN
–3dB, 0dB, +3dB, +6dB
12
HL
CLO
GPO1 TO GPO4,
GPO7, GPO8
XV1 TO XV24
XSUBCK
8
6
1.8V OUTPUT
3V INPUT
LDO
REG
VERTICAL
DRIVER
19
SUBCK
XSUBCNT
SYNC/RSTB
V1A TO V6 (3-LEVEL)
V7 TO V15 (2-LEVEL)
DOUT
SL
0
Figure 1.
For more information about the AD9920A, contact Analog Devices via email at
afe.ccd@analog.com
.
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| AD9920ABBCZ | 功能描述:IC PROCESSOR CCD 12BIT 105CSPBGA RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模擬前端 (AFE) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):- 通道數(shù):2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數(shù)字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:32-QFN（5x5） 包裝:帶卷 (TR) |
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| AD9920BBCZ | 制造商:Analog Devices 功能描述: |
| AD9920BBCZRL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD9921BBCZ | 制造商:Analog Devices 功能描述: |
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