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Wolfson Microelectronics Products

Wolfson Microelectronics is a global leader in the design and manufacture of high-performance, mixed-signal semiconductors for digital applications. Wolfson Microelectronics ICs process highly complex digital data into signals that meet the demand for higher, faster performance required by audio products for the consumer marketplace including digital TVs, set-top boxes, DVDs, as well as portable devices.

Wolfson Microelectronics Product Line

Wolfson Microelectronics New Products

Added 11/2010 Wolfson Microelectronics WM9010 Class G Stereo Headphone Driver Learn More
Added 11/2010 Wolfson Microelectronics WM9090 Audio Subsystems Learn More
Added 09/2010 Wolfson Microelectronics WM9081 Mono DAC Learn More
Added 07/2010 Wolfson Microelectronics WM8352 AudioPlus™ Stereo CODEC - New at Mouser Learn More
Added 07/2010 Wolfson Microelectronics WM8521 Stereo DAC Learn More
Added 09/2009 Wolfson Microelectronics WM8961 Ultra-Low Power Stereo CODEC Learn More

Wolfson Microelectronics Featured Products

Wolfson WM9010 Class G Stereo Headphone Driver

Wolfson Microelectronics WM9010 Class G Stereo Headphone Driver, a low power driver designed for mobile handset and portable media player (PMP) applications, employs Class G amplifier technology to achieve high power efficiency and low quiescent current. Wolfson's WM9010 Class G Stereo Headphone driver features Hi-fi audio headphone drivers, stereo analog audio inputs, ground-referenced cap-less headphone outputs, integrated charge pump and oscillator circuits, RF noise suppression, pop and click suppression, and active ground-loop feedback that provides rejection of system-related ground noise.

Wolfson WM9090 Audio Subsystems

Wolfson Microelectronics WM9090 high performance, ultra-low power audio subsystem features a Mono Class D speaker driver, ground-referenced headphone outputs, and integrated stereo headphone driver, removing the requirement for external coupling capacitors. Wolfson's WM9090 Audio Subsystems offer excellent RF and TDMA noise immunity, flexible analog input configuration allowing single-ended and differential, Automatic Gain Control (AGC) for speaker output to prevent clipping, and DC offset correction to less than 1mV to guarantee pop/click-free headphone start-up.

Wolfson Electronics WM9081 Mono DAC

The Wolfson Microelectronics WM9081 mono Digital to Analog Converter (DAC) with 2.6W Class AB/D speaker driver is designed to provide high power output at low distortion levels in space-constrained applications, such as portable navigation systems, mobile phones, and flat panel TVs. The WM9081 optimizes speaker characteristics by integrating ReTune Mobile Parametric EQ with fully programmable coefficients. This Wolfson Microelectronics device features digital input that enables the power drivers to be located close to the speakers in multi-channel systems without the need for troublesome long analog connections. The WM9081 DAC is controlled via a standard 2-wire, 3-wire, or 4-wire control interface or by hardware control pins.

Wolfson Microelectronics WM8521 Stereo DAC

Wolfson Microelectronics WM8521 stereo DAC with an integrated output op-amp stage is designed to generate a 2.0 Vrms output signal directly, reducing external component requirements in digital audio applications. The WM8521H9 outputs 2.0Vrms at 9V supply and is designed for cost sensitive consumer digital audio applications requiring 2Vrms line output. The Wolfson Microelectronics WM8521 features a sampling frequency of 8kHz to 192kHz.

Wolfson Microelectronics WM8352 AudioPlus™ Stereo CODEC

Wolfson Microelectronics WM8352 AudioPlus™ stereo CODEC is an integrated audio and power management subsystem that provides a cost effective, single-chip solution for portable audio and multimedia systems. The Wolfson Microelectronics WM8352 AudioPlus stereo CODEC provides all the necessary functions for high-quality stereo recording and playback. Programmable on-chip amplifiers allow for direct connection of headphones and microphones with a minimum of external components. The WM8352 includes six programmable DC-DC converters, four LDO regulators, and a current limit switch to generate suitable supply voltages for each part of the system, including the integrated audio CODEC as well as off-chip components such as a digital core and I/O supplies, and LED lighting.

Wolfson Microelectronics WM8961 Ultra-Low Power Stereo CODEC

Wolfson Microelectronics WM8961 ultra-low power stereo CODEC is a next-generation device designed to dramatically extend playback time for audio enabled portable devices. The WM8961 CODEC includes an additional integrated high power Class D stereo speaker driver that extends its ultra-low power audio technology into applications that require high performance speaker driver functionality, including mobile Internet devices, handheld gaming, and portable media players. The Wolfson Microelectronics WM8961 provides the industry's lowest playback power, enabling dramatically extended battery life in the demanding real usage modes of today's multimedia portable devices. This Wolfson Microelectronics CODEC has stereo class D speaker drivers that provide 1W per channel into 8Ω loads with a 5V supply.

Wolfson Microelectronics AC´97 Audio and Touch Panel CODEC

Wolfson Microelectronics AC'97 Audio and Touch Panel CODEC are highly integrated input/output devices for mobile computing and communications. The WM9712L device is equipped with phone input/output pins for seamless integration with wireless communication devices. The device contains up to four auxiliary ADC inputs for analog measurements such as temperature or light, and five GPIO pins for interfacing to buttons or other digital devices. Two uncommitted comparator inputs allow monitoring battery voltage in portable systems. The device can generate interrupts to indicate pen down, pen up, availability of touch panel data, low or dead battery, and GPIO conditions. All device functions are accessed and controlled through a single AC-Link interface that is compliant with AC`97 standard.