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PDF AD9970 Data sheet ( Hoja de datos )
| Número de pieza | AD9970 | |
| Descripción | 14-Bit CCD Signal Processor | |
| Fabricantes | Analog Devices | |
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Data Sheet
14-Bit CCD Signal Processor with Precision
Timing™ Generator
AD9970
FEATURES
1.8 V analog and digital core supply voltage
Serial data link with reduced range LVDS outputs
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 ADC
Black level clamp with variable level control
Complete on-chip timing generator
Precision Timing core with 240 ps resolution at 65 MHz
On-chip, 3 V horizontal and RG drivers
5 mm × 5 mm, 32-lead LFCSP_VQ
APPLICATIONS
Professional HDTV camcorders
Professional/high end digital cameras
Broadcast cameras
Industrial high speed cameras
High speed data acquisition systems
GENERAL DESCRIPTION
The AD9970 is a highly integrated CCD signal processor for
high speed digital video camera applications. Specified at pixel
rates of up to 65 MHz, the AD9970 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 240 ps resolution at
65 MHz operation. The AD9970 also contains a reduced range
LVDS interface for data outputs.
The analog front end includes black level clamping, CDS, VGA,
and a 65 MSPS, 14-bit 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.
Packaged in a space-saving 5 mm × 5 mm, 32-lead LFCSP_VQ,
the AD9970 is specified over an operating temperature range of
−25°C to +85°C.
For more information about the AD9970, contact Analog Devices
via email at [email protected].
CCDIN
FUNCTIONAL BLOCK DIAGRAM
REFT REFB
–3, 0, +3, +6dB 6dB TO 42dB
VREF
AD9970
CDS
VGA
14-BIT
ADC
CLAMP
REDUCED
RANGE
LVDS OUTPUT
RG
HL
H1 TO H4
HORIZONTAL
4 DRIVERS
INTERNAL CLOCKS
PRECISION
TIMING
GENERATOR
SYNC
GENERATOR
INTERNAL
REGISTERS
TCLKP
TCLKN
DOUT0P
DOUT0N
DOUT1P
DOUT1N
SL
SCK
SDATA
HD VD
Figure 1.
CLI
Rev. SpD
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responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2005–2014 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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