ADAU7112
RECOMMENDED FOR NEW DESIGNSStereo PDM to I2S/TDM Converter
- Part Models
- 2
- 1ku List Price
- Starting From $1.19
Part Details
- 2 channels of PDM audio inputs from digital microphones
- 64× decimation ratio of PDM to PCM audio data
- 24-bit resolution to support high sound pressure level (SPL) microphones
- 126 dB A-weighted SNR
- 4 kHz to 96 kHz output sampling rate
- Bit clock rates of 64×, 128×, 192×, 256×, 384×, or 512× the output sampling rate
- Automatic PDM clock generation
- Automatic power-down when BCLK is removed
- 0.36 mA DVDD operating current at 48 kHz sampling rate and 1.8 V supply
- Slave I2S or TDM output interface
- Up to TDM-16 supported
- Configurable TDM slots
- I/O supply voltage from 1.70 V to 3.63 V
- DVDD core supply voltage from 1.10 V to 1.98 V
- 4 μA typical DVDD shutdown current
- 9-ball, 1.26 mm × 1.26 mm, 0.4 mm pitch WLCSP
- Power-on reset
The ADAU7112 converts stereo pulse density modulation (PDM) bitstreams into one pulse code modulation (PCM) output stream. The source for the PDM data can be two microphones or other PDM sources. The PCM audio data is output on a serial audio interface port in either inter-IC serial (I2S) or time domain multiplexed (TDM) format.
The ADAU7112 is specified over the commercial temperature range (−40°C to +85°C). The ADAU7112 is available in a halide-free, 9-ball, 1.26 mm × 1.26 mm, 0.4 mm pitch, wafer level chip scale package (WLCSP).
Applications
- Mobile computing
- Portable electronics
- Consumer electronics
- Professional electronics
Documentation
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
---|---|---|---|
ADAU7112ACBZR7 | 9-Ball WLCSP (1.26mm x 1.26mm x 0.50mm) | ||
ADAU7112ACBZRL | 9-Ball WLCSP (1.26mm x 1.26mm x 0.50mm) |
This is the most up-to-date revision of the Data Sheet.