AT73C246

www.DataSheet4U.com Features AUDIO CODEC – 100dB Dynamic Range Stereo Audio DAC - 8 to 96 kHz sampling frequency – 96dB Dynamic Range Stereo Audio ADC - 8 to 96 kHz sampling frequency – 16 / 32 Ohms headset amplifier with capless operation SNR: 97 dB A-Weighted THD: -60 dB (16Ohms / 20mW / 3.3V supply) Maximum output power: 55mW (16Ohms / 3.3V supply) – Stereo line inputs, stereo auxiliary inputs – Stereo microphone inputs with bias generator for electret device – Low power Analog Bypass mode (Line / Aux in to Headset Out) – Low power Analog sidetone mode (Microphone in to Headset Out) – Automatic Audio path control with smooth fade in / fade out operation – I2S port Master / Slave Operation I2S / Left / Right justified modes 16 / 18 / 20 / 24 bit operation 6x SUPPLY CHANNEL VOLTAGE REGULATORS – DCDC0: 1.85V - 600mA. 0.8 to 3.6V / 50mV step. 2 MHz switching buck regulator Fast load transient response - PWM / PFM modes. Efficiency up to 92% – DCDC1: 1.2V - 600mA. 0.8 to 3.6V / 50mV step. 2 MHz switching buck regulator Fast load transient response - PWM / PFM modes. Efficiency up to 90% – LDO2: 1V - 300mA. 0.8 to 1.35V / 50mV step - Fast transient response – LDO3: 3.3V - 200mA. 2.7 to 3.6V / 50mV step - Fast transient response – LDO4: 3.3V - 200mA. 2.7 to 3.6V / 50mV step - Audio codec supply – LDO5: 2.5V - 10mA - Backup battery charger and RTC supply LOW CONSUMPTION POWER MANAGER – 2.5V - 5.5V VIN Operation – 20uA typical consumption OFF mode – V...