FEATURES

• Two channels each of DS type ADC and DAC

• On-chip mixing circuit in analog I/O block

• Low-noise mic amps for two channels on chip

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

• ADC and DAC digital filter characteristics

Pass band ripple : ±0.1 dB (0 to 0.454 fs) for ADC and DAC

Stop band attenuation : 75 dB (0.546 fs or above) for ADC and DAC

• Sampling frequency (fs): 2 to 48 kHz (256-fs master clock is input from an external source)

• Low voltage operation: +3 to +5.5 V single power supply

• Wide operating ambient temperature: –20 to +80°C

• Low power consumption: 120 mW (when using 3-V power supply), 250 mW (when using 5-V power supply)

• 80-pin plastic TQFP