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參數(shù)資料
| 型號(hào)： | AD9925 |
| 廠(chǎng)商： | Analog Devices, Inc. |
| 英文描述： | CCD Signal Processor with Vertical Driver and Precision Timing Generator |
| 中文描述： | CCD信號(hào)處理器垂直驅(qū)動(dòng)器和精密時(shí)序發(fā)生器 |
| 文件頁(yè)數(shù)： | 1/96頁(yè) |
| 文件大小： | 1447K |
| 代理商： | AD9925 |
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CCD Signal Processor with Vertical Driver
and
Precision Timing
Generator
AD9925
FEATURES
Rev.
A
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
Integrated 10-channel V-driver Register-compatible with the AD9991 and AD9995
3-field (6-phase) vertical clock support
2 additional vertical outputs for advanced CCDs
Complete on-chip timing generator
Precision Timing
core with <600 ps resolution
Correlated double sampler (CDS)
6 dB to 42 dB 10-bit variable gain amplifier (VGA)
12-bit 36 MHz ADC
Black level clamp with variable level control
On-chip 3 V horizontal and RG drivers
2-phase and 4-phase H-clock modes
Electronic and mechanical shutter support
On-chip driver for external crystal
On-chip sync generator with external sync input
8 mm × 8 mm CSPBGA package with 0.65 mm pitch
APPLICATIONS
Digital still cameras
Digital video camcorders
CCD camera modules
GENERAL DESCRIPTION
The AD9925 is a complete 36 MHz front end solution for digi-
tal still camera and other CCD imaging applications. Based on
the AD9995 product, the AD9925 includes the analog front end
and a fully programmable timing generator (AFETG), combined
with a 10-channel vertical driver (V-driver). A
Precision Timing
core allows adjustment of high speed clocks with approximately
600 ps resolution at 36 MHz operation.
The on-chip V-driver supports up to 10 channels for use with
3-field (6-phase) CCDs. Two additional vertical outputs can be
used with CCDs that contain advanced video readout modes.
Voltage levels of up to +15 V and 8 V are supported.
The analog front end includes black level clamping, CDS, VGA,
and a 12-bit ADC. The timing generator and V-driver provide
all the necessary CCD clocks: RG, H-clocks, vertical clocks,
sensor gate pulses, substrate clock, and substrate bias control.
The internal registers are programmed using a 3-wire serial
interface.
Packaged in an 8 mm × 8 mm CSPBGA, the AD9925 is speci-
fied over an operating temperature range of 25°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
AD9925
CDS
VGA
CLAMP
12-BIT
ADC
DCLK
MSHUT
STROBE
CLI
DOUT
VREF
6dB TO 42dB
HORIZONTAL
DRIVERS
VERTICAL
TIMING
CONTROL
RG
H1 TO H4
XV1 TO XV8
8
XSG1 TO XSG6
6
REFT REFB
PRECISION
TIMING
GENERATOR
SYNC
GENERATOR
INTERNAL CLOCKS
VSUB
SUBCK
HD
VD
SYNC
INTERNAL
REGISTERS
CCDIN
V-DRIVER
0dB, –2dB, –4dB
CLO
SDI
SCK
SL
RSTB
0
12
SUBCK
V1, V2
V3A, V3B
V4, V6
V5A, V5B
V7, V8
10
4
Figure 1.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD9925BBCZ | CCD Signal Processor with Vertical Driver and Precision Timing Generator |
| AD9927 | 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator |
| AD9927BBCZ | 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator |
| AD9927BBCZRL | 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator |
| AD9929BBCZ | CCD Signal Processor with Precision Timing Generator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9925BBCZ | 制造商:Analog Devices 功能描述:IC 12-BIT SIGNAL PROCESSOR |
| AD9925BBCZRL | 制造商:Analog Devices 功能描述:IC 12-BIT SIGNAL PROCESSOR |
| AD9925KBCZ | 制造商:Analog Devices 功能描述:12 BIT, 36 MSPS CCD SIGNAL PROCESSOR W/VERTICAL DRIVER - Bulk |
| AD9926BBCZ | 制造商:Analog Devices 功能描述: |
| AD9926BBCZRL | 制造商:Analog Devices 功能描述: |
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