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WM8196CDS1R, WM8196SCDS/RV, WM8198

Table of contents:
Info of WM8196CDS1R
Info of WM8196SCDS/RV
Info of WM8198

WM8196CDS1R, WM8196SCDS/RV, WM8198 Selling Leads, Datasheet

MFG:WM Package Cooled:SSOP D/C:09+

WM8196CDS1R, WM8196SCDS/RV, WM8198 Picture

WM8196CDS1R, WM8196SCDS/RV, WM8198 Datasheet download

Five Points

Part Number: WM8196CDS1R

MFG: WM

Package Cooled: SSOP

D/C: 09+

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WM8198 General Description

The WM8198 is a 16-bit analogue front end/digitiser ICwhich processes and digitises the analogue output signalsfrom CCD sensors or Contact Image Sensors (CIS) at pixelsample rates of up to 6MSPS.

The device includes three analogue signal processingchannels each of which contains Reset Level Clamping,Correlated Double Sampling and Programmable Gain andOffset adjust functions. Three multiplexers allow singlechannel processing. The output from each of thesechannels is time multiplexed into a single high-speed 16-bitAnalogue to Digital Converter. The digital output data isavailable in 8 or 4-bit wide multiplexed format.

An internal 4-bit DAC is supplied for internal reference levelgeneration. This may be used during CDS to reference CISsignals or during Reset Level Clamping to clamp CCDsignals. An external reference level may also be supplied.ADC references are generated internally, ensuring optimumperformance from the device.

Using an analogue supply voltage of 5V and a digitalinterface supply of either 5V or 3.3V, the WM8198 typicallyonly consumes 195mW when operating from a single5V supply.

WM8198 Maximum Ratings

CONDITION	MIN	MAX
Analogue supply voltages: AVDD	GND - 0.3V	GND + 7V
Digital supply voltages: DVDD1 − 3	GND - 0.3V	GND + 7V
Digital grounds: DGND1 − 5	GND - 0.3V	GND + 0.3V
Analogue grounds: AGND1 − 6	GND - 0.3V	GND + 0.3V
Digital inputs, digital outputs and digital I/O pins	GND - 0.3V	DVDD2 + 0.3V
Analogue inputs (RINP, GINP, BINP)	GND - 0.3V	AVDD + 0.3V
Other pins	GND - 0.3V	AVDD + 0.3V
Operating temperature range: T_A	0°C	+70°C
Storage prior to soldering	30°C max / 85% RH max
Storage temperature	-65°C	+150°C
Package body temperature (soldering, 10 seconds)		+260°C
Package body temperature (soldering, 2 minutes)		+183°C

WM8198 Features

• 16-bit ADC
• 6MSPS conversion rate
• Low power 212mW typical
• 5V single supply or 5V/3.3V dual supply operation
• Single or 3 channel operation
• Correlated double sampling
• Dual Range Programmable Gain Amplifier (9-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 SSOP package
• Serial control interface

WM8198 Typical Application

• Flatbed and sheetfeed scanners
• USB compatible scanners
• Multi-function peripherals
• High-performance CCD sensor interface

WM8198 Connection Diagram

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