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參數(shù)資料
| 型號(hào)： | XRD9818ACG |
| 廠(chǎng)商： | EXAR CORP |
| 元件分類(lèi)： | 消費(fèi)家電 |
| 英文描述： | 3-CHANNEL 16-BIT LINEAR CCD/CIS SENSOR SIGNAL PROCESSOR |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封裝： | 4.40 MM, TSSOP-28 |
| 文件頁(yè)數(shù)： | 1/28頁(yè) |
| 文件大小： | 496K |
| 代理商： | XRD9818ACG |
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Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
xr
XRD9818
3-CHANNEL 16-BIT LINEAR CCD/CIS SENSOR SIGNAL PROCESSOR
JUNE 2004
REV. 1.0.1
GENERAL DESCRIPTION
The XRD9818 is a fully integrated, high-performance
analog
signal
processor/digitizer
designed for use in 3-channel/2-channel/1-channel
CCD/CIS document imaging applications.
Each channel of the XRD9818 includes a Correlated
Double
Sampler
(CDS),
Programmable Gain Amplifier (PGA). After the gain
and offset adjustments the analog inputs are
sequentially sampled and digitized by a 16-bit A/D
converter. The digital output data is available in 8 or
4-bit wide multiplexed format.
The analog front-end can be configured for use in
CCD or CIS data acquisition applications. The CDS
mode of operation supports both line and pixel-clamp
modes and can be used to achieve significant
reduction in system 1/f noise and CCD reset clock
feed-through. Five programmable clamp levels are
available in CCD mode to adjust for CCD signal swing
and reset pulse size. For CIS mode there are 3
selectable reference options, two internally generated
and one external applied reference.
Two PGA ranges, programmable through the serial
port, help interface the XRD9818 to CCD imagers
that have either a 3V or 2V output swings. The range
of 1x to 5x is used for 3V inputs and the range of 1.5x
to 7.5x is used for 2V inputs. Each channel has an
offset range of -180mV to 180mV (1.4mV/step) for
fine adjustment and an additional -100mV to 200mV
(100mV/step) of gross offset adjustment to correct for
any system offsets.
specifically
Offset
adjustment,
FEATURES
16-Bit A/D Converter
Triple-Channel, 4MSPS Color Scan Mode
Single-Channel, 8MSPS Monochrome Scan Mode
Multiplexed 8-Bit or 4-Bit Output Data Formats
Triple Correlated Double Sampler
Triple 9-Bit Programmable Gain Amplifier
Two Programmable Gain Ranges
Triple 10-Bit Offset Compensation DAC
-280mV to +380mV Offset Compensation
28-pin TSSOP Package
Internal Voltage Reference
3V Operation with 5V Tolerant inputs
Low Power CMOS: 190mW @ 3.3V (typ), Power
Down 1mW (typ)
APPLICATIONS
48-Bit Color Scanners
High-performance CCD or CIS Color Scanners
Multifunction Peripherals
Film Scanners
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRD9822 | 3-Channel, 10/12-Bit Linear CCd and CIS Sensor signal Processors |
| XRD9824 | 14-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
| XRD9824ACD | 14-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
| XRD9825 | 16-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
| XRD9825ACD | 16-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRD9818ACG-F | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| XRD9818ACGTR | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| XRD9818ACGTR-F | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類(lèi)型:Differential 信噪比:107 dB 接口類(lèi)型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| XRD9818EVAL | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開(kāi)發(fā)工具 XRD9818 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類(lèi)型:ADC 工具用于評(píng)估:ADS130E08 接口類(lèi)型:SPI 工作電源電壓:- 6 V to + 6 V |
| XRD9820 | 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:3-Channel, 10/12-Bit Linear CCd and CIS Sensor signal Processors |
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