Wolfson Microelectronics Expands Family of Audio Devices.Business Editors/High-Tech Writers EDINBURGH, Scotland--(BUSINESS WIRE)--July 9, 2001 Wolfson Microelectronics, Ltd., the technical leader in developing audio ICs for multimedia and communications applications, expanded its family of devices for Internet appliances today with the introduction of two new parts. The two new devices, the WM8734, a CODEC, and the WM8739 an ADC (1) See A/D converter. (2) (Apple Display Connector) A peripheral connector from Apple that combines digital video display, USB and power in one cable. , meet the performance needs for consumer recording applications, while the low-power consumption make these new devices ideally suited for portable appliances. "Wolfson has proven expertise for combining cutting-edge audio performance with ultra-low power design techniques," said David Milne, CEO (1) (Chief Executive Officer) The highest individual in command of an organization. Typically the president of the company, the CEO reports to the Chairman of the Board. and managing director of Wolfson Microelectronics. "We are developing this technology to create an unparalleled family of low power, audio products for applications such as DVD recorder, CD-RW (CD-ReWritable) The only rewritable CD technology. CD-RW disks look like other CD media, but with close inspection, they have a more polished surface with a very dark blue-gray cast. players, internet audio, PDA (Personal Digital Assistant) A handheld computer for managing contacts, appointments and tasks. It typically includes a name and address database, calendar, to-do list and note taker, which are the functions in a personal information manager (see PIM). , digital still cameras, camcorder and musical instruments." Wolfson Audio Devices Offer Designers More Choices The WM8734 and the WM8739 extend Wolfson's range of audio products and allow designers to go to a single source for all their high performance digital audio applications. The Company's audio converter technology uses a proprietary low-order, multi-bit, sigma-delta architecture. As a result, the WM8734 and the WM8739 are not affected by jitter, offer class leading linearity and better sound quality. The WM8734 is a codec that integrates programmable gain amp (PGA (1) (Professional Graphics Adapter) An early IBM PC display standard for 3D processing with 640x480x256 resolution. It was not widely used. (2) (Programmable Gate Array) See gate array and FPGA. ), ADC and a DAC See D/A converter and discretionary access control. DAC - Digital to Analog Converter . The WM8739 is an ADC with integrated input PGA. Including the PGA allows users the full dynamic range of the ADC, thus maximizing performance. Both chips support 24-bit resolution, up to 32-bit I/O (Input/Output) The transfer of data between the CPU and a peripheral device. Every transfer is an output from one device and an input to another. See PC input/output. I/O - Input/Output and sampling rates up to 96kHz. The ADC in the WM8734, offers a signal-to-noise ration (SNR) of 90dB, while the integrated DAC provides a 100dB SNR. Both chips provide two options for control: a three-wire or two-wire MPU serial control interface. The new devices operate on a power supply range from 2.7V to 3.6V. Price & Availability Both products are available now in a 20-pin SSOP SSOP Shrink Small Outline Package SSOP Sanitation Standard Operating Procedures (USDA) SSOP Sanitary Standard Operating Procedures SSOP Sharescan-Open Platform (Ecopy) SSOP Site Security Operational Procedures package. The WM8739 is priced at $4.33/1K quantities and the WM8734 is priced at $4.79/1K quantities. About Wolfson Microelectronics Wolfson Microelectronics Ltd. develops mixed-signal semiconductors for multimedia and communications applications. Privately held and based in Edinburgh, U.K., Wolfson is a leading supplier into both audio and imaging markets and is the supplier of choice by market leaders around the world. For more information, please visit the Company's Web site at www.wolfsonmicro.com. |
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