WM9715LGEFL中文資料歐勝微電子數(shù)據(jù)手冊(cè)PDF規(guī)格書

DESCRIPTION

The WM9715L is a highly integrated input / output device designed for mobile computing and communications. The device can connect directly to a 4-wire or 5-wire touchpanel, 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 90dB, THD –86dB

- ADC SNR 88dB, THD –88dB

- 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

? Resistive touchpanel interface

- Supports 4-wire and 5-wire panels

- 12-bit resolution, INL ±3 LSBs (<0.5 pixels)

- X, Y and touch-pressure (Z) measurement

- Pen-down detection supported in Sleep Mode

? 2 comparator inputs for battery monitoring

? Up to 4 auxiliary ADC inputs

? 1.8V to 3.6V supplies

? 7x7mm QFN

APPLICATIONS

? Personal Digital Assistants (PDA)

? Smartphones

? Handheld and Tablet Computers