參數(shù)資料
型號(hào)： AD80066KRSZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 0K
描述： IC DSP CTLR 16BIT 28SSOP
標(biāo)準(zhǔn)包裝： 47
類(lèi)型： 信號(hào)處理器
輸入類(lèi)型： 模擬
輸出類(lèi)型： 數(shù)字
接口： 串行
電流 - 電源： 95mA
安裝類(lèi)型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
Complete 16-Bit
CCD/CIS Signal Processor
AD80066
Rev. A
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
www.analog.com
Fax: 781.461.3113
2010 Analog Devices, Inc. All rights reserved.
FEATURES
16-bit, 24 MSPS analog-to-digital converter (ADC)
4-channel operation up to 24 MHz (6 MHz/channel)
3-channel operation up to 24 MHz (8 MHz/channel)
Selectable input range: 3 V or 1.5 V peak-to-peak
Input clamp circuitry
Correlated double sampling
1×~6× programmable gain
±300 mV programmable offset
Internal voltage reference
Multiplexed byte-wide output
Optional single-byte output mode
3-wire serial digital interface
3 V/5 V digital I/O compatibility
Power dissipation: 490 mW at 24 MHz operation
Reduced power mode and sleep mode available
28-lead SSOP package
APPLICATIONS
Flatbed document scanners
Film scanners
Digital color copiers
Multifunction peripherals
GENERAL DESCRIPTION
The AD80066 is a complete analog signal processor for imaging
applications. It features a 4-channel architecture designed to sample
and condition the outputs of linear charged coupled device (CCD)
or contact image sensor (CIS) arrays. Each channel consists of
an input clamp, correlated double sampler (CDS), offset digital-
to-analog converter (DAC), and programmable gain amplifier
(PGA), multiplexed to a high performance 16-bit ADC. For
maximum flexibility, the AD80066 can be configured as a
4-channel, 3-channel, 2-channel, or 1-channel device.
The CDS amplifiers can be disabled for use with sensors that
do not require CDS, such as CIS and CMOS sensors.
The 16-bit digital output is multiplexed into an 8-bit output word,
which is accessed using two read cycles. There is an optional
single-byte output mode. The internal registers are programmed
through a 3-wire serial interface and enable adjustment of the
gain, offset, and operating mode. The AD80066 operates from a
5 V power supply, typically consumes 490 mW of power, and is
packaged in a 28-lead SSOP.
FUNCTIONAL BLOCK DIAGRAM
DOUT
(D[0:7])
SCLK
SLOAD
SDATA
ADCCLK
OFFSET
AVDD
AVSS
CML
AVDD
CAPT
CAPB
AD80066
DRVDD DRVSS
GAIN
REGISTERS
OFFSET
REGISTERS
4:1
MUX
16-BIT
ADC
CH. A
CH. B
CH. C
CH. D
8
16
CH. A
CH. B
CH. C
CH. D
6
9
PGA
CDS
AVSS
VIND
VINC
VINB
VINA
CDS
DIGITAL
CONTROL
INTERFACE
INPUT
CLAMP
BIAS
9-BIT
DAC
9-BIT
DAC
9-BIT
DAC
9-BIT
DAC
PGA
CONFIGURATION
REGISTER
MUX
REGISTER
CDSCLK2
CDSCLK1
BAND GAP
REFERENCE
16:8
MUX
0
85
52
-00
1
Figure 1.
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