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參數(shù)資料
| 型號： | XRD9825ACD |
| 廠商： | EXAR CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | 16-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO20 |
| 封裝： | 0.300 INCH, SOIC-20 |
| 文件頁數(shù)： | 13/33頁 |
| 文件大?。?/td> | 309K |
| 代理商： | XRD9825ACD |
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XRD9825
13
Rev. 1.00
Figure 7. CIS AC Coupled Application
Mode 2. AC Coupled
If the CIS signal has a black reference for the video
signal, an external capacitor C
is used. When
CLAMP (clamp) pin is set high an internal switch allows
one side of the external capacitor to be set to ground.
It then is level shifted to correspond to the bottom ladder
reference voltage of the ADC (Figure 7).
This value corresponds to the black reference of the
image sensor. When the CLAMP pin is set back to low,
the ADC samples the video signal with respect to the
black reference. The typical value for the external
RL
VRT
VRB
VDD
XRD9825
CLAMP
RINT
RED
N/C
N/C
N/C
M
U
X
C
I
S
REXT CEXT
capacitor is 100pF. This value should be adjusted
according to the time constant (Tc) needed in a particu-
lar application. The CLAMP pin has an internal 150 ohm
impedance (R
INT
) which is in series with the external
capacitor (C
Therefore, Tc =1/R
INT
C
EXT
If the input to the external capacitor has a source
impedance (R
EXT
), then:
T
c
=1/(R
INT
+R
EXT
)C
EXT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRD9825ACD-F | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRD9825ACU | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRD9825EVAL | 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 XRD9825 EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| XRD9826 | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
| XRD9826ACD | 制造商:EXAR 制造商全稱:EXAR 功能描述:16-Bit Linear CIS/CCD Sensor Signal Processor with Serial Control |
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