Overview
The ADAU1787BCBZRL7, produced by Analog Devices Inc., is a low-power codec that integrates two digital signal processors (DSPs). This component is designed to provide a complete audio solution, particularly optimized for noise-canceling headsets and other audio applications. With its low latency and high-performance audio processing capabilities, it is ideal for various consumer and professional audio devices. The ADAU1787 features a path from analog input to DSP core to analog output that is optimized for minimal latency, making it suitable for real-time audio processing applications.
Key Specifications
| Specification | Details |
|---|---|
| Number of Analog Inputs | 4 single-ended, configurable as microphone or line inputs |
| Number of Digital Microphone Inputs | 8 |
| Number of Analog Outputs | 2 differential, configurable as line output or headphone driver |
| Sample Rate | Up to 768 kHz |
| ADC/DAC Resolution | 24-bit |
| Signal-to-Noise Ratio (SNR) | 96 dB (ADC), 105 dB (DAC with A-weighted filter) |
| Clock Rate | PLL supporting 30 kHz to 27 MHz |
| Serial Audio Ports | 2, 16-channel, supporting I2S, left justified, or up to TDM16 |
| Interpolators and Decimators | 8 each, with flexible routing |
| Power Supplies | Analog AVDD at 1.8 V, Digital I/O IOVDD at 1.1 V to 1.98 V, Digital DVDD at 0.9 V |
| Power Consumption | 11.079 mW for typical stereo ANC settings |
| Control Interfaces | I2C and SPI, self boot from I2C EEPROM |
| Package Type | 42-ball WLCSP (2.695 mm x 2.320 mm x 0.47 mm) |
Key Features
- Programmable FastDSP audio processing engine with up to 50 MIPS performance
- Visually programmable using SigmaStudio software
- Biquad filters, limiters, volume controls, and mixing capabilities
- 28-bit SigmaDSP audio processing core
- Low latency with 5 μs group delay (fS = 768 kHz) analog in to analog out with FastDSP bypass
- Full-duplex, 4-channel ASRCs
- Flexible GPIO
- I2C and SPI control interfaces with self boot from I2C EEPROM
Applications
- Noise-canceling handsets, headsets, and headphones
- Bluetooth ANC handsets, headsets, and headphones
- Personal navigation devices
- Digital still and video cameras
- Musical instrument effect processors
- Multimedia speaker systems
- Smartphones
Q & A
- What is the ADAU1787BCBZRL7 used for? The ADAU1787BCBZRL7 is used for low-power audio processing, particularly in noise-canceling headsets and other audio devices.
- How many analog inputs does the ADAU1787BCBZRL7 have? It has 4 single-ended analog inputs, configurable as microphone or line inputs.
- What is the maximum sample rate of the ADAU1787BCBZRL7? The maximum sample rate is up to 768 kHz.
- What is the resolution of the ADC and DAC in the ADAU1787BCBZRL7? Both the ADC and DAC have a 24-bit resolution.
- What is the typical power consumption of the ADAU1787BCBZRL7 in stereo ANC settings? The typical power consumption is 11.079 mW.
- What control interfaces does the ADAU1787BCBZRL7 support? It supports I2C and SPI control interfaces with self boot from I2C EEPROM.
- What is the package type of the ADAU1787BCBZRL7? It is a 42-ball WLCSP (2.695 mm x 2.320 mm x 0.47 mm).
- What software is used to program the ADAU1787BCBZRL7? It is visually programmable using SigmaStudio software.
- What are some common applications of the ADAU1787BCBZRL7? Common applications include noise-canceling headsets, Bluetooth ANC devices, personal navigation devices, and smartphones.
- How many digital microphone inputs does the ADAU1787BCBZRL7 have? It has 8 digital microphone inputs.
