參數(shù)資料
型號(hào): XRD9827
廠(chǎng)商: Exar Corporation
英文描述: 12-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control(12位線(xiàn)性CIS/CCD傳感信號(hào)處理器(帶串行控制))
中文描述: 12位線(xiàn)性獨(dú)聯(lián)體/串行控制與CCD傳感器信號(hào)處理器(12位線(xiàn)性獨(dú)聯(lián)體/防治荒漠化公約傳感信號(hào)處理器(帶串行控制))
文件頁(yè)數(shù): 8/32頁(yè)
文件大?。?/td> 264K
代理商: XRD9827
XRD9827
8
Rev. 1.20
THEORY OF OPERATION
CIS Configuration (Contact Image Sensor)
The XRD9827 has two configurations for CIS applications. Each configuration is set by the control registers
accessed through the serial port.
Mode 1. DC Coupled
If the CIS does not have leading or trailing black pixels as shown in Figure 2, then DC couple the CIS output to the
XRD9827 input.
Optically Shielded
Pixels
Valid Pixels
Adjust the offset of the CIS (-100 mV to 500 mV) by setting the internal registers of the XRD9827 to set the black
pixel value when the LEDs of the CIS are off. When the LEDs are on, use the XRD9827 Programmable Gain to
maximize the ADCs dynamic range. Figure 3 shows a typical application for a CIS with an offset of -100mV to 500mV.
Figure 2. Typical Output CIS Mode
相關(guān)PDF資料
PDF描述
XRD9827ACU 12-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control
XRD9829 10-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control
XRD9829ACD 10-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control
XRD9836 16-BIT PIXEL GAIN AFE
XRD9836ACG 16-BIT PIXEL GAIN AFE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRD9827ACD 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:12-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control
XRD9827ACD-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
XRD9827ACDTR-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
XRD9827ACU 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
XRD9827ACU-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