参数资料
型号: AD9979BCPZ
厂商: Analog Devices Inc
文件页数: 1/56页
文件大小: 0K
描述: IC PROCESSOR CCD 14BIT 48-LFCSP
标准包装: 1
类型: CCD 信号处理器,14 位
输入类型: 逻辑
输出类型: 逻辑
接口: 3 线串口
电流 - 电源: 48mA
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘,CSP
供应商设备封装: 48-LFCSP-VQ(7x7)
包装: 托盘
14-Bit, CCD Signal Processor with
Precision Timing Core
AD9979
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
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
Fax: 781.461.3113
2007–2009 Analog Devices, Inc. All rights reserved.
FEATURES
1.8 V analog and digital core supply voltage
Correlated double sampler (CDS) with –3 dB, 0 dB, +3 dB, and
+6 dB gain
6 dB to 42 dB 10-bit variable gain amplifier (VGA)
14-bit 65 MHz analog-to-digital converter
Black-level clamp with variable level control
Complete on-chip timing generator
Precision Timing core with 240 ps resolution @ 65 MHz
On-chip 3 V horizontal and RG drivers
General-purpose outputs (GPOs) for shutter and system
support
7 mm × 7 mm, 48-lead LFCSP
Internal LDO regulator circuitry
APPLICATIONS
Professional HDTV camcorders
Professional/high end digital cameras
Broadcast cameras
Industrial high speed cameras
GENERAL DESCRIPTION
The AD9979 is a highly integrated CCD signal processor for
high speed digital video camera applications. Specified at pixel
rates of up to 65 MHz, the AD9979 consists of a complete
analog front end with analog-to-digital conversion, combined
with a programmable timing driver. The Precision Timing core
allows adjustment of high speed clocks with approximately
240 ps resolution at 65 MHz operation.
The analog front end includes black-level clamping, CDS, VGA,
and a 65 MSPS, 14-bit analog-to-digital converter (ADC). The
timing driver provides the high speed CCD clock drivers for RG,
HL, and H1 to H4. Operation is programmed using a 3-wire
serial interface.
Available in a space-saving, 7 mm × 7 mm, 48-lead LFCSP,
the AD9979 is specified over an operating temperature range of
25°C to +85°C.
FUNCTIONAL BLOCK DIAGRAM
AD9979
SYNC
GENERATOR
PRECISION
TIMING
CORE
INTERNAL CLOCKS
HORIZONTAL
DRIVERS
HL
RG
H1 TO H4
4
HD
GPO1 GPO2
VD
INTERNAL
REGISTERS
SL
SCK
SDI
CLI
CLAMP
D0 TO D13
DOUT
CCDINP
6dB TO 42dB
VGA
ADC
CDS
14
REFT
REFB
VREF
–3dB, 0dB, +3dB, +6dB
LDOOUT
LDO
CCDINM
05
95
7-
0
01
Figure 1.
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