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USB audio controller w/8051 MCU targets Skype, VoIP
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San Jose, Calif.—Winbond Electronics Corp. America has added the W681308 to its USB audio controller line for the VoIP telephony market.

The W681308 is aimed at Skype or other PC-based VoIP applications, including wired and wireless USB handsets, USB speaker phones, PSTN/USB dual mode phones, USB PSTN gateways and USB Analog Telephone Adapters (ATAs), and wireless USB 2.4Ghz base / handset.

Winbond's W681308 is USB2.0-compatible and integrates an 8051 MCU that enables feature-rich applications. The part also has a 8/16/48-kHz sampling rate wideband codec with a 16-bit ADC/DAC and Acoustic Echo cancellation (AEC) and AGC to support USB speaker phone applications.

The W681308 supports full-duplex echo cancellation, 3-channel PCM mixer, integrated microphone amplifier and speaker driver, flexible OTP custom programming and complete reference design solutions. The high integration of the W681308 enables lower cost and smaller board space design.

The W681308 is housed in a 48-pin LQFP lead-free package. A complete Software Development Kit (SDK) and 8051-based Keil C development system is available.

Pricing: $1.80 in 10,000-unit quantities.
Availability: Now.

Winbond Electronics Corp. America, 1-408-474-1668,

Dateline: 08/24/07