參數(shù)資料
型號(hào): AD9979BCPZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 1/56頁(yè)
文件大?。?/td> 0K
描述: IC PROCESSOR CCD 14BIT 48-LFCSP
標(biāo)準(zhǔn)包裝: 1
類(lèi)型: CCD 信號(hào)處理器,14 位
輸入類(lèi)型: 邏輯
輸出類(lèi)型: 邏輯
接口: 3 線串口
電流 - 電源: 48mA
安裝類(lèi)型: 表面貼裝
封裝/外殼: 48-VFQFN 裸露焊盤(pán),CSP
供應(yīng)商設(shè)備封裝: 48-LFCSP-VQ(7x7)
包裝: 托盤(pán)
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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