Overview
The ADAU1761BCPZ is a low-power, stereo audio codec with integrated digital audio processing, designed by Analog Devices Inc. This component supports stereo 48 kHz record and playback at 14 mW from a 1.8 V analog supply, making it highly efficient for various audio applications. The ADAU1761 features a SigmaDSP core with 28-bit processing (56-bit double precision), enabling advanced audio processing capabilities such as equalization, multiband compression, and limiting.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (AVDD) | 1.8 V to 3.65 V | |
| Sample Rate | 8 kHz to 96 kHz | |
| Resolution | 24 bits | |
| Analog Input Pins | 6 (configurable for single-ended or differential inputs) | |
| Analog Output Configurations | 2 differential stereo, 2 single-ended stereo, 1 mono headphone output driver | |
| PLL Input Clock Range | 8 MHz to 27 MHz | |
| Operating Temperature Range | -40°C to +85°C | |
| Package Type | 32-lead, 5 mm × 5 mm LFCSP | |
| Control Interfaces | I2C and SPI |
Key Features
- Integrated digital audio processing with SigmaDSP core featuring 28-bit processing (56-bit double precision)
- Support for stereo 48 kHz record and playback at 14 mW from a 1.8 V analog supply
- Flexible analog input/output mixers and configurable analog input pins
- Stereo digital microphone input and integrated microphone bias circuit
- High power output drivers supporting stereo headphones, earpiece, or other output transducers
- Analog automatic level control (ALC) and software-controllable clickless mute
- Digital audio serial data I/O in stereo and time-division multiplexing (TDM) modes
- GPIO pins for digital controls and outputs
Applications
- Smartphones and multimedia phones
- Digital still cameras and digital video cameras
- Portable media players and portable audio players
- Phone accessories products
Q & A
- What is the ADAU1761BCPZ?
The ADAU1761BCPZ is a low-power, stereo audio codec with integrated digital audio processing from Analog Devices Inc.
- What are the supported sample rates for the ADAU1761BCPZ?
The ADAU1761BCPZ supports sample rates from 8 kHz to 96 kHz.
- What is the power consumption of the ADAU1761BCPZ during stereo 48 kHz playback?
The power consumption is approximately 14 mW from a 1.8 V analog supply.
- What types of analog input configurations are supported by the ADAU1761BCPZ?
The ADAU1761BCPZ supports single-ended or differential analog input configurations.
- What control interfaces are available on the ADAU1761BCPZ?
The ADAU1761BCPZ features I2C and SPI control interfaces.
- What is the operating temperature range of the ADAU1761BCPZ?
The operating temperature range is -40°C to +85°C.
- What is the package type of the ADAU1761BCPZ?
The package type is a 32-lead, 5 mm × 5 mm LFCSP.
- Does the ADAU1761BCPZ support digital microphone inputs?
Yes, it supports a stereo digital microphone input.
- What kind of audio processing capabilities does the ADAU1761BCPZ offer?
The ADAU1761BCPZ offers advanced audio processing capabilities including equalization, multiband compression, and limiting through its SigmaDSP core.
- How is the ADAU1761BCPZ typically programmed?
The ADAU1761BCPZ is typically programmed using the SigmaStudio graphical development tool.
