參數資料
型號： XRD9836
廠商： Exar Corporation
英文描述： 16-BIT PIXEL GAIN AFE
中文描述： 16位像素增益模擬前端
文件頁數： 1/32頁
文件大?。?/td> 696K
代理商： XRD9836
Exar
Corporation 48720 Kato Road, Fremont CA, 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
xr
XRD9836
16-BIT PIXEL GAIN AFE
JUNE 2003
REV. 1.0.0
GENERAL DESCRIPTION
The XRD9836 is a precision 16-bit analog front-end
(AFE) for use in 3-channel/1-channel CCD/CIS docu-
ment imaging applications. Pixel-by-pixel gain and
offset for each of the 3 channels are controlled using
a time multiplexed parallel input. Offset and Gain are
sequentially supplied for red, green, and blue. The
outputs from each of the three channels are transmit-
ted time multiplexed with the high order byte first fol-
lowed by the low order byte for red, blue and green.
FEATURES
16-bit resolution ADC, 30MHz Sampling Rate
10-bit accurate linear programmable gain range select-
able as either 2-to-20 V/V or 1-to-10 V/V per channel
Fully-differential input pins and internal path
Sampling rates from 1.0 MSPS to 10.0 MSPS per chan-
nel for 3 -Channel mode and up to 15.0 MSPS in single
channel mode.
Pixel-by-Pixel Offset and Gain control through a parallel
interface running at a maximum 60 Mbyte/sec. data rate
A microprocessor serial port to control various modes of
operation
Fixed Gain/Offset Mode (FGOM) or Pixel by Pixel Gain/
Offset Mode (PPGOM)
Alternate Pixel Offset Adjust Mode (APOAM)
Low Power CMOS=280mW (typ. @ 3V); Power-Down
Mode=1mW (typ. @ 3V with static clocks)
Single Power Supply (3.0 to 3.6 Volts) with Max CCD
input signal of 1V and reset pulse up to 0.5V
High ESD Protection: 2000 Volts Minimum
APPLICATIONS
Scanners, MFP’s
F
IGURE
1. B
LOCK
D
IAGRAM
POWER
BIAS
SERIAL PORT
TIMING
SCLK
SDATA
LOAD
VSAMP
BSAMP
LCLMP
CAPP
CAPN
Avdd
3
3
RED+
16
16-BIT
30MHz
ADC
M
U
X
BLUE
CDS &
PGA
B10
10
Blue Offset
D
E
M
U
X
R10
Red Offset
Green Gain
10
10
Green Offset
BLUE HIGH ORDER
ADC OUT
BLUE LOW ORDER
ADC OUT
8
ADC
OUT
IE
ADCLK
RED GAIN
REGISTER
RED OFFSET
REGISTER
10
10
OFFSET/GAIN
INPUT
2
Ognd
2
XRD9836
ANALOG INPUTS
Agnd
Dvdd
Dgnd
Ovdd
GREEN HIGH ORDER
ADC OUT
GREEN LOW ORDER
ADC OUT
RED HIGH ORDER
ADC OUT
RED LOW ORDER
ADC OUT
RED
CDS &
PGA
Green
CDS &
PGA
GREEN GAIN
REGISTER
GREEN OFFSET
REGISTER
BLUE GAIN
REGISTER
BLUE OFFSET
REGISTER
RED-
GRN+
GRN-
BLUE+
BLUE-
CMREF
REXT
相關PDF資料
PDF描述
XRD9836ACG 16-BIT PIXEL GAIN AFE
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XRD98L23 8-Bit, High-speed Linear CIS/CCD Sensor Signal Processor with Serial Control(8位高速線性CIS/CCD傳感信號處理器（帶串行控制）)
XRD98L62ACV CCD Image Digitizers with CDS, PGA and 12-Bit A/D
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相關代理商/技術參數
參數描述
XRD9836ACG 功能描述:電信線路管理 IC RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
XRD9836ACG-F 功能描述:電信線路管理 IC RoHS:否 制造商:STMicroelectronics 產品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
XRD9836ACGTR-F 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型: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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
XRD9853AIV 制造商:EXAR 制造商全稱:EXAR 功能描述:CCD Image Digitizers with CDS, PGA, and 10-bit A/D
XRD9855 制造商:EXAR 制造商全稱:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 10-Bit A/D
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