DESCRIPTION

The WM8753L is a low power, high quality stereo Codec with integrated Voice CODEC designed for portable digital telephony applications such as mobile phone, or headset with Hi-Fi playback capability.

FEATURES

• Hi-Fi DAC: interfaced over I2S type link

• Audio sample rates: 8, 11.025, 16, 22.05, 24, 32, 44.1, 48, 88.2, 96

• DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)

• ADC SNR 95dB, THD -82dB (‘A’ weighted @ 48kHz)

• On-chip Headphone Driver with cap-less output option

- 40mW output power on 16Ω / 3.3V

- with 16Ω load: SNR 90dB, THD –75dB

- with 10kΩ load: SNR 94dB, THD –90dB

• On-chip speaker driver with 0.5W into 8R

• Voice Codec: interfaced over Voice interface

• supports sample rates from 8ks/s to 48ks/s

• ADC and DAC SNR 82dB, THD -74dB

• Two Differential Microphone Interfaces

- Dual ADCs support noise cancellation in external DSP

- Programmable ALC / Noise Gate

• Low-noise bias supplied for electret microphones

Other features

• On-chip PLLs supporting 12, 13, 19.2MHz and other clocks

• Cap-less connection options to headphones, earpiece, spkr.

• Low power, low voltage

- 1.8V to 3.6V (digital core: 1.42V to 3.6V)

- power consumption <20mW all-on with 2V supplies

- <12mW for PCM CODEC operation

• 7x7x0.9mm QFN package, 5x5x0.9mm BGA package

APPLICATIONS

• MP3 Player / Recorder mobile phone

• Bluetooth stereo headset