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Wolfson rolls out AFE circuit for flatbed scanners

Posted: 25 Mar 2004 ?? ?Print Version ?Bookmark and Share

Keywords:wolfson microelectronics plc? analog front-end circuit? afe circuit? wm8214? wm819x?

IDC's forecast for the worldwide MFP market shows growth from 14.74 million units in 2002 to 33.27 million units by 2007. As a response, Wolfson Microelectronics plc has introduced a high-speed, high-performance analog front-end (AFE) circuit for use in flatbed scanners and multi-function printers (MFP).

Designed to provide a single effective solution without the expense of incorporating analog circuits in a complex, proprietary processor design, the WM8214 features a 40MSPS conversion rate, a new flexible clocking scheme, and backwards compatibility with current Wolfson WM819x products.

"Using a discrete AFE allows designers flexibility in design, lower cost and faster time-to-market," said CEO David Milne. "The WM8214 offers a simple, flexible, cost-effective yet high performance solution to one of the fastest growing consumer markets."

The device incorporates a 16-bit ADC, flexible clamp control with programmable clamp voltage, one-, two- or three-channel operation, with a serial control interface. Housed in a 28-pin SSOP package, it operates at 390mW power on a 3.3V single supply operation with input video signals from 0.25V to 2.5V (max).

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