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WM8143-12CFT/V, WM8144-10, WM8144-12

Table of contents:
Info of WM8143-12CFT/V
Info of WM8144-10
Info of WM8144-12

WM8143-12CFT/V, WM8144-10, WM8144-12 Selling Leads, Datasheet

MFG:WM Package Cooled:QFP D/C:2001

WM8143-12CFT/V, WM8144-10, WM8144-12 Picture

WM8143-12CFT/V, WM8144-10, WM8144-12 Datasheet download

Five Points

Part Number: WM8143-12CFT/V

MFG: WM

Package Cooled: QFP

D/C: 2001

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WM8144-10 General Description

WM8144-10 integrates the analogue signal conditioning required by CCD sensors with a 10-bit ADC and optional pixel-by-pixel image compensation. WM8144-10 requires minimal external circuitry and provides a cost effective sensor-to-digital domain system solution.

Each analogue conditioning channel provides reset level clamp, CDS, fine offset level shifting and gain amplification. The three channels are multiplexed into the ADC. Output from the ADC can either be direct or passed through a digital post-processing function. The postprocessing provides compensation for variations in offset and shading on a pixel-by-pixel basis.

The flexible output architecture allows ten-bit data to be accessed either on a ten-bit bus or via a time-multiplexed eight-bit bus. The WM8144-10 can be configured for pixelby-pixel or line-by-line multiplexing operation. Reset level clamp and/or CDS features can be optionally bypassed.Device configuration is either by a simple serial or eightbit parallel interface.

WM8144-10 Maximum Ratings

Analogue Supply Voltage .. .. .. .. AGND - 0.3 V, AGND +7 V
Digital Supply Voltage. . . .. ... . . DGND - 0.3 V, DGND +7 V
Digital Inputs . . . .. .. .. .. .. ... DGND - 0.3 V, DVDD + 0.3 V
Digital Outputs. . . .vvvvvvvvv DGND - 0.3 V, DVDD + 0.3 V
Reference inputs . . . . .. .. .. .. AGND - 0.3 V, AVDD + 0.3 V
RINP, GINP, BINP . . . .. .. .. .. .. .AGND - 0.3 V, AVDD + 0.3 V
Operating temperature range, TA . . . .. .. . . 0oC to +70oC
Storage Temperature . . . . . . . . .. .. .. . . -50oC to +150oC
Lead Temperature (soldering, 10 sec) . . .. .. . . . . +260oC

WM8144-10 Features

• Reset level clamp
• Correlated Double Sampling (CDS)
• Fine offset level shifting
• Programmable Gain Amplification
• 10-Bit ADC with maximum 6 MSPS
• Digital post-processing for pixel-by-pixel image compensation
• Simple clocking scheme
• Control by serial or parallel interface
• Time-multiplexed eight-bit data output mode
• 48 pin TQFP package
• Pin compatible with WM8144-12

WM8144-10 Typical Application

• Document scanners
• CCD sensor interfaces
• Contact image sensor (CIS) interfaces

WM8144-10 Connection Diagram

WM8144-12 General Description

WM8144-12 integrates the analogue signal conditioning required by CCD sensors with a 12-bit ADC and optional pixel-by-pixel image compensation. WM8144-12 requires minimal external circuitry and provides a cost effective sensor-to-digital domain system solution.

The flexible output architecture allows twelve-bit data to be accessed either on a twelve-bit bus or via a timemultiplexed eight-bit bus. The WM8144-12 can be configured for pixel-by-pixel or line-by-line multiplexing operation. Reset level clamp and/or CDS features can be optionally bypassed. Device configuration is either by a simple serial or eight-bit parallel interface.

WM8144-12 Maximum Ratings

Analogue Supply Voltage . AGND - 0.3 V, AGND +7 V
Digital Supply Voltage. . . . DGND - 0.3 V, DGND +7 V
Digital Inputs . . . . . . . . .DGND - 0.3 V, DVDD + 0.3 V
Digital Outputs. . . . . . . .DGND - 0.3 V, DVDD + 0.3 V
Reference inputs . . . . . . AGND - 0.3 V, AVDD + 0.3 V
RINP, GINP, BINP . . . . . . AGND - 0.3 V, AVDD + 0.3 V
Operating temperature range, TA . .. . 0oC to +70oC
Storage Temperature . . . . . . . . . . -50oC to +150oC
Lead Temperature (soldering, 10 sec) . . . . +260oC

WM8144-12 Features

• Reset level clamp
• Correlated Double Sampling (CDS)
• Fine offset level shifting
• Programmable Gain Amplification
• 12-Bit ADC with maximum 4 MSPS
• Digital post-processing for pixel-by-pixel image compensation
• Simple clocking scheme
• Control by serial or parallel interface
• Time-multiplexed eight-bit data output mode
• 48 pin TQFP package
• Pin compatible with WM8144-10

WM8144-12 Typical Application

• Document scanners
• CCD sensor interfaces
• Contact image sensor (CIS) interfaces

WM8144-12 Connection Diagram

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