ADI ADAU1361BCPZ

The ADAU1361 is a low-power, stereo audio codec supporting stereo 48 kHz recording and playback, powered by a 1.8 V analog supply with 14 mW power consumption. The stereo audio ADC and DAC support sample rates from 8 kHz to 96 kHz with digital volume control. This device is ideal for battery-powered audio and telephony applications. The record path includes an integrated microphone bias circuit and six inputs. These inputs can be mixed and multiplexed before the ADC, or bypassed around the ADC. The ADAU1361 includes one stereo digital microphone input. The ADAU1361 features five high-power output drivers (two differential, three single-ended), supporting stereo headphones, earpieces, or other output transducers. The device also supports AC-coupled or capacitor-free configurations. All analog outputs feature independent precision level control. The output mixer stage enables flexible audio routing. The serial control bus supports I2C and SPI protocols. The serial audio bus is programmable for I2S, left/right justified, or TDM modes. A programmable PLL supports flexible generation of all standard integer and fractional master clock frequencies from 8 MHz to 27 MHz.

• 24-bit stereo audio ADC and DAC: SNR > 98 dB
• Sampling rate range: 8 kHz to 96 kHz
• Low power consumption: 7 mW record, 7 mW playback at 48 kHz and 1.8 V
• 6 analog input pins, configurable as single-ended or differential inputs
• Flexible analog input/output mixer
• Stereo digital microphone input
• Analog outputs: 2 differential stereo, 2 single-ended stereo, 1 mono headphone driver output
• PLL-supported input clock range: 8 MHz to 27 MHz
• Analog automatic level control (ALC)
• Microphone bias reference voltage
• Analog and digital I/O: 1.8 V to 3.65 V
• I2C and SPI control interface
• Digital audio serial data I/O: stereo and TDM modes
• Software-controlled pop-free mute
• Software power-saving mode
• 32-lead, 5 mm × 5 mm LFCSP package
• Operating temperature range: -40°C to +85°C

• Smartphones and multimedia phones
• Digital cameras and digital camcorders
• Portable media players and portable audio players
• Phone accessories