FEATURES

• Two channels each of over sample Δ Σ type ADC and DAC

• ADC SNR = 85 dB Typ.

• DAC SNR = 90 dB Typ.

• ADC and DAC digital filter characteristics

• Pass band ripple: ±0.1 dB (0 to 0.4 fS) for ADC and DAC

• Stop band attenuation: −74 dB (0.6 fS) or above for ADC and DAC

• Sampling frequency (fS): 0.4 to 48 kHz

• Division rate from master clock can be set to 3072, 1536, 768, or 512

• Analog input block includes a multiplexer and analog output block includes a mixing circuit

• Low-noise monaural MIC amp is on chip

• On-chip reference voltage power supply (1.4 V (TYP.))

• Low supply voltage operation: DVDD = 3.3 V, AVDD = 3.3 V

• Support for power down mode in each internal block

• Operating ambient temperature: −40 to +85°C