● DAC SNR 98dB (‘A’ weighted), THD -84dB at 48kHz, 1.8V
● ADC SNR 94dB (‘A’ weighted), THD -85dB at 48kHz, 1.8V
● Stereo Class D Speaker Driver
● 1W per channel into 8Ω BTL speakers
● 2W mono into 4Ω BTL speakers
● Flexible internal switching clock
● Wolfson ‘Class-W’ ultra-low power headphone driver
● Up to 31mW per channel output power at 1% THD+N into 16Ω at 1.8V
● Ground Referenced
● Low offset (+/
● 1.2mV)
● Pop and click suppression
● Control sequencer for pop-minimised power-up/down
● Single register write for default start-up sequence
● Microphone Interface
● Single ended four stereo analogue input
● Integrated low noise MICBIAS
● Digital microphone interface
● Programmable ALC / Limiter and Noise Gate
● Programmable Audio Enhancement DSP with Presets
● Virtual Surround Sound
● HD Bass
● ReTuneTM
● Fixed Audio Processing DSP
● 3D stereo widening
● 5-band Parametric EQ
● Dynamic range controller
● Beep generator
● Two integrated PLLs enable clocking of full audio system
● Low Power Consumption
● 7.7mW headphone playback
● 8.3mW analogue record mode
● Low Supply Voltages
● Analogue 1.7V to 2.0V (Speaker supply up to 5.5V)
● Charge pump 1.7V to 2.0V
● MIC bias amp supply 1.7V to 3.6V
● Digital 1.62V to 2.0V
● 2-wire I2C and 3
● or 4-wire SPI serial control interface
● Standard sample rates from 8kHz to 96kHz
● W-CSP, 3.6x3.9mm 49-pin