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Analog Devices - Complete 12-Bit 6 MSPS CCD/CIS Signal Processor

Numéro de référence AD9816
Description Complete 12-Bit 6 MSPS CCD/CIS Signal Processor
Fabricant Analog Devices 
Logo Analog Devices 





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AD9816 fiche technique
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FEATURES
12-Bit 6 MSPS A/D Converter
No Missing Codes Guaranteed
3-Channel or 1-Channel Operation
Correlated Double Sampling
8-Bit Programmable Gain
8-Bit Offset Adjustment
PGA Output Monitor
Input Clamp Circuitry
Internal Voltage Reference
3-Wire Serial Interface
+3.3 V/+5 V Digital Output Compatibility
44-Lead MQFP Package
Low Power CMOS: 420 mW Typ
Complete 12-Bit 6 MSPS
CCD/CIS Signal Processor
AD9816
PRODUCT DESCRIPTION
The AD9816 is a complete analog signal processor for CCD
and CIS applications. Included is all the necessary circuitry to
perform three-channel conditioning and sampling for a variety
of imaging applications.
The signal chain consists of an input clamp, correlated double
sampler (CDS), offset adjust DAC, programmable gain ampli-
fier and a 12-bit A/D converter. The CDS and input clamp may
be disabled for CIS applications.
The internal registers are programmed using a 3-wire serial
interface and provide adjustment of the gain, offset and operat-
ing mode.
The AD9816 operates from a +5 V supply, typically consumes
420 mW of power and is packaged in a 44-lead MQFP.
VINR
VING
VINB
OFFSET
FUNCTIONAL BLOCK DIAGRAM
AVDD AVSS CAPT CAPB CML PGAOUT VREF DVDD DVSS DRVDD DRVSS
؎100mV
CLAMP/CDS
+
DAC
1X–6X
PGA
AD9816
BANDGAP
REFERENCE
CLAMP/CDS
CLAMP/CDS
+
DAC
PGA
PGA
+
DAC
8
OFFSET
REGISTERS
MUX
MUX
REGISTER
CONFIGURATION
REGISTER
8
RR
GAIN
G G REGISTERS
BB
12-BIT 12
ADC
DIGITAL
CONTROL
PORT
OEB
DOUT
11:0
SCLK
SLOAD
SDATA
CDSCLK1 CDSCLK2 ADCCLK
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1998

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