參數(shù)資料
型號(hào)： WM8192
廠商： Wolfson Microelectronics
英文描述： TVS UNIDIRECT 400W 6.5V SMA
中文描述： （8）位輸出16位獨(dú)聯(lián)體/防治荒漠化公約AFE的/數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 619K
代理商： WM8192
WM8192
(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser
Product Preview, June 2000, Rev 1.0
WOLFSON MICROELECTRONICS LTD
Lutton Court, Bernard Terrace, Edinburgh, EH8 9NX, UK
Tel: +44 (0) 131 667 9386
Fax: +44 (0) 131 667 5176
Email: sales@wolfson.co.uk
http://www.wolfson.co.uk
Product Preview
data sheets contain
specifications for products in the formative
phase of development. These products may
be changed or discontinued without notice.
2000 Wolfson Microelectronics Ltd
.
DESCRIPTION
The WM8192 is a 16-bit analogue front end/digitiser IC
which processes and digitises the analogue output signals
from CCD sensors or Contact Image Sensors (CIS) at pixel
sample rates of up to 6MSPS.
The device includes three analogue signal processing
channels each of which contains Reset Level Clamping,
Correlated Double Sampling and Programmable Gain and
Offset adjust functions. Three multiplexers allow single
channel processing. The output from each of these
channels is time multiplexed into a single high-speed 16-bit
Analogue to Digital Converter. The digital output data is
available in 8 or 4-bit wide multiplexed format.
An internal 4-bit DAC is supplied for internal reference level
generation. This may be used during CDS to reference CIS
signals or during Reset Level Clamping to clamp CCD
signals. An external reference level may also be supplied.
ADC references are generated internally, ensuring optimum
performance from the device.
Using an analogue supply voltage of 5V and a digital
interface supply of either 5V or 3.3V, the WM8192 typically
only consumes 240mW when operating from a single
5V supply.
FEATURES
16-bit ADC
6MSPS conversion rate
Low power – 240mW typical
5V single supply or 5V/3.3V dual supply operation
Single or 3 channel operation
Correlated double sampling
Programmable gain (8-bit resolution)
Programmable offset adjust (8-bit resolution)
Programmable clamp voltage
8 or 4-bit wide multiplexed data output formats
Internally generated voltage references
28-pin SOIC package
Serial control interface
APPLICATIONS
Flatbed and sheetfeed scanners
USB compatible scanners
Multi-function peripherals
High-performance CCD sensor interface
BLOCK DIAGRAM
RINP (1)
DATA
I/O
PORT
(9) SEN
(12) SCK
VSMP
(5)
MCLK
(7)
VRLC/VBIAS
(26)
(11) SDI
(6) RLC/ACYC
DVDD2
(10)
TIMING CONTROL
CL
RLC
V
S
R
S
BINP (27)
GINP (28)
VRX
(25)
VRT
(24)
(4) OEB
M
U
X
VRB
(23)
RLC
RLC
CDS
CDS
CDS
RLC
DAC
4
CONFIGURABLE
SERIAL
CONTROL
INTERFACE
16-
BIT
ADC
(22)
AGND1
(8)
DGND
AVDD
(21)
DVDD1
(3)
(13) OP[0]
(14) OP[1]
(15) OP[2]
(16) OP[3]
(17) OP[4]
(18) OP[5]
(19) OP[6]
(20) OP[7]/SDO
(2)
AGND2
WM8192
M
U
X
VREF/BIAS
M
U
X
R
G
B
M
U
X
R
G
B
+
PGA
I/P SIGNAL
POLARITY
ADJUST
8
8
OFFSET
DAC
PGA
8
8
OFFSET
DAC
PGA
8
OFFSET
DAC
8
+
+
+
+
+
I/P SIGNAL
POLARITY
ADJUST
I/P SIGNAL
POLARITY
ADJUST
相關(guān)PDF資料
PDF描述
WM8196 (8+8)BIT OUTPUT 16-BIT CIS/CCD AFE/DIGITISER
WM8199 20MSPS 16-bit CCD Digitiser
WM8199CDR TVS BIDIRECT 400W 60V SMA
WM8199CDS TVS UNIDIRECT 400W 64V SMA
WM8199SCDR 20MSPS 16-bit CCD Digitiser
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM8195 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:14-bit 12MSPS CIS/CCD Analogue Front End/Digitiser
WM8195_05 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:14-bit 12MSPS CIS/CCD Analogue Front End/Digitiser
WM8195SCFT/RV 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14Bit 12MSPS 3C AFE 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
WM8195SCFT/V 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 14Bit 12MSPS 3Ch AFE 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
WM8196 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:(8 + 8) Bit Output 16-bit CIS/CCD AFE/Digitiser
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