DataSheetWiki


WM8234 fiches techniques PDF

Wolfson Microelectronics - 70MSPS 6-Channel AFE

Numéro de référence WM8234
Description 70MSPS 6-Channel AFE
Fabricant Wolfson Microelectronics 
Logo Wolfson Microelectronics 





1 Page

No Preview Available !





WM8234 fiche technique
w
WM8234
70MSPS 6-Channel AFE with Sensor Timing Generation and
LVDS/CMOS Data Output
DESCRIPTION
The WM8234 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 23MSPS.
The device has six analogue signal processing channels
each of which contains Reset Level Clamping, Correlated
Double Sampling (also Sample and Hold), Programmable
Gain, Automatic Gain Control (AGC) and Offset adjust
functions.
The output from each of these channels is time multiplexed,
in pairs, into two high-speed 16-bit Analogue to Digital
Converters. The digital data is available in a variety of
output formats via the flexible data port.
The WM8234 has a user selectable LVDS or CMOS output
architecture.
An internal 8-bit DAC is supplied for internal reference level
generation. This may be used during CDS to reference CIS
signals or during Clamping to clamp CCD signals. An
external reference level may also be supplied. ADC
references are generated internally, ensuring optimum
performance from the device.
A programmable automatic Black-Level Calibration function
is available to adjust the DC offset of the output data.
The WM8234 features a sensor timing clock generator for
both CCD and CIS sensors. The clock generator can accept
a slow or fast reference clock input and also has a flexible
timing adjustment function for output timing clocks to allow
use of many different sensors.
FEATURES
70MSPS conversion rate
16 bit ADC resolution
Current consumption – 280mA
3.3V single supply operation
Sample and hold /correlated double sampling
Programmable offset adjust (8-bit resolution)
Flexible clamp timing
Pixel clamp / line clamp mode
Programmable clamp voltage
Programmable CIS/CCD timing generator
Internally generated voltage references
Compliant for Spread Spectrum Clock
LVDS/CMOS output options
LVDS 5pair 490MHz 35-bit data
CMOS 90MHz output maximum
Complete on chip clock generator. MCLK 5MHz to 23MHz
Internal timing adjustment
Automatic Gain Control
Automatic Black Level Calibration
56-lead QFN package 7mm x 7mm
Serial control interface
APPLICATIONS
Digital copiers
USB2.0 compatible scanners
Multi-function peripherals
High-speed CCD/CIS sensor interface
WOLFSON MICROELECTRONICS plc
To receive regular email updates, sign up at http://www.wolfsonmicro.com/enews
Product Brief, February 2012, Rev 3.0
Copyright 2012 Wolfson Microelectronics plc.

PagesPages 15
Télécharger [ WM8234 ]


Fiche technique recommandé

No Description détaillée Fabricant
WM8232 70MSPS 3-Channel AFE Wolfson Microelectronics
Wolfson Microelectronics
WM8233 70MSPS 6-Channel AFE Wolfson Microelectronics
Wolfson Microelectronics
WM8234 70MSPS 6-Channel AFE Wolfson Microelectronics
Wolfson Microelectronics
WM8235 70MSPS 9-Channel AFE Wolfson Microelectronics
Wolfson Microelectronics

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche