DESCRIPTION

The WM9711L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to mono or stereo microphones, stereo headphones and a mono speaker, reducing total component count in the system. Additionally, phone input and output pins are provided for seamless integration with wireless communication devices.

FEATURES

• AC’97 Rev 2.2 compatible stereo codec

- DAC SNR 94dB, THD –87dB

- ADC SNR 92dB, THD –87dB

- Variable Rate Audio, supports all WinCE sample rates

- Tone Control, Bass Boost and 3D Enhancement

• On-chip 45mW headphone driver

• On-chip 400mW mono speaker driver

• Stereo, mono or differential microphone input

- Automatic Level Control (ALC)

• Auxiliary mono DAC (ring tone or DC level generation)

• Seamless interface to wireless chipset

• Up to 5 GPIO pins

• 2 comparator inputs for battery monitoring

• 1.8V to 3.6V supplies

• 7x7mm QFN or 48-pin TQFP package options

APPLICATIONS

• Personal Digital Assistants (PDA)

• Smartphones

• Handheld and Tablet Computers