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參數(shù)資料
| 型號： | AD9826KRSZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 9/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC IMAGE SGNL PROC 16BIT 28-SSOP |
| 標(biāo)準(zhǔn)包裝： | 47 |
| 類型： | 圖像傳感器 |
| 輸入類型： | 邏輯 |
| 輸出類型： | 邏輯 |
| 接口： | 3 線串口 |
| 電流 - 電源： | 75mA |
| 安裝類型： | 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 |
| 產(chǎn)品目錄頁面： | 798 (CN2011-ZH PDF) |
AD9826
–17–
Analog Inputs—
SHA Mode Operation
Figure 14 shows the analog input configuration for the SHA
mode of operation. Figure 15 shows the internal timing for the
sampling switches. The input signal is sampled when CDSCLK2
transitions from high to low, opening S1. The voltage on the
OFFSET pin is also sampled on the falling edge of CDSCLK2,
when S2 opens. S3 is then closed, generating a differential out-
put voltage representing the difference between the sampled
input voltage and the OFFSET voltage. The input clamp is
disabled during SHA mode operation.
INPUT
SIGNAL
CML
VINR
AD9826
OFFSET
S1
4pF
S3
S2
4pF
OPTIONAL DC
OFFSET (OR
CONNECT
TO GND)
VING
VINB
Figure 14. SHA-Mode Input Configuration (All Three
Channels Are Identical)
CDSCLK2
Q3
(INTERNAL)
S3 OPEN
S1, S2 OPEN
S1, S2 CLOSED
S3 CLOSED
Figure 15. SHA-Mode Internal Switch Timing
Figure 16 shows how the OFFSET pin may be used in a CIS
application for coarse offset adjustment. Many CIS signals have
dc offsets ranging from several hundred millivolts to more than
1 V. By connecting the appropriate dc voltage to the OFFSET
pin, the CIS signal will be restored to “zero.” After the large dc
offset is removed, the signal can be scaled using the PGA to
maximize the ADC’s dynamic range.
SHA
VINR
VING
VINB
OFFSET
RED
GREEN
BLUE
VRED FROM
CIS MODULE
AVDD
R1
R2
DC OFFSET
RED-
OFFSET
GREEN-
OFFSET
BLUE-
OFFSET
AD9826
0.1 F
Figure 16. SHA-Mode Used with External DC Offset
REV. B
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| AD9826KRSZRL | 功能描述:IC IMAGE SGNL PROC 16BIT 28-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 傳感器和探測器接口 系列:- 其它有關(guān)文件:Automotive Product Guide 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:74 系列:- 類型:觸控式傳感器 輸入類型:數(shù)字 輸出類型:數(shù)字 接口:JTAG，串行 電流 - 電源:100µA 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TSSOP 包裝:管件 |
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| AD9828JSTRL | 制造商:Analog Devices 功能描述: |
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