AD1981AJST

IC CODEC STEREO MICPREAMP 48LQFP

The AD1981AJST is a type of AC '97 soundmAX codec.

Features of the AD1981AJST are:(1)S/PDIF output, 20 bits data format, supporting:48 kHz and 44.1 kHz sample rates;(2)integrated stereo headphone amplifier;(3)variable sample rate audio;(4)external audio power-do wn control(5)greater than 90 dB dynamic range;(6)16-bit stereo full-duplex codec;(7)mono line-level phone input;(8)mono MIC input with built-in programmable preamp;(9)high quality CD input with ground sense.

Absolute ratings and specifications of AD1981AJST are comcluded as below:(1):power supplies(digital) is 0.3 V to +3.6 V,power supplies(analog) is 0.3 V to +6.0 V;(2):input current (except supply pins)is ±10 mA;(3):signals pins:digit al input voltage is0.3 V to DVDD +0.3 V,signals pins:analog input voltage is0.3 V to AVDD +0.3 V;(4):ambient temperature ranges from 0°C to 70°C;(5):storage temperature ranges from65°C to +150°C;Specificatio ns:(1):digital supply is 3.3V when calibrated;(2)analog supply is 5.0V of 0 dB gain/attenuation relative to full scale;(3):sample rate is 48kHz of 0 dB input;(4):input signal is 1008Hz of 10 k output load;(5):analog output pass band is 20Hz to 20 kHz of 32k output load.etc.