Features

■ Up to 96 dB dynamic range

■ Sample rates from 8 kHz to 192 kHz

■ FFX™ class-D driver

■ 1.55 V to 1.95 V digital power supply

■ 1.80 V to 3.60 V analog and I/O power supply

■ 18-bit audio processing and class-D FFX™

modulator

■ >90-dB SNR analog-to-digital converter

■ Digital volume control:

– +36 dB to -105 dB in 0.5-dB steps

– Software volume update

■ 16-bit ADC

■ Individual channel and master gain/attenuation

■ Automatic invalid input detect mute

■ 2-channel I2S input/output data interface

■ Digitally controlled pop-free operation

■ 90% efficiency

■ Output power for stereo headphones or stereo

speakers applications (at THD = 10% and

VCC = 3.3 V):

– 45 mW with 32-Ω headphones

– 85 mW with 16-Ω headphones

– 720 mW with 8-Ω speakers

– 1.1 W with 4-Ω speakers

Applications

■ Portable devices

– Laptops

– Digital cameras

– Microless applications