Overview
The ADAU1787BCBZRL, produced by Analog Devices Inc., is a sophisticated audio codec that integrates four analog-to-digital converters (ADCs) and two digital-to-analog converters (DACs), along with two digital signal processors (DSPs). This device is designed to optimize the path from analog input to DSP core to analog output, ensuring low latency and making it ideal for applications such as noise cancelling headsets and headphones. The ADAU1787BCBZRL is part of the SigmaDSP family and can be visually programmed using SigmaStudio, enhancing its versatility and ease of use.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| ADCs/DACs | Number of ADCs and DACs | 4 ADCs, 2 DACs |
| Sample Rate | Maximum sample rate | Up to 768 kHz |
| DSP Performance | Performance of the DSP core | Up to 50 MIPS |
| ADC Resolution | Resolution of the ADCs | 24 bits |
| DAC Resolution | Resolution of the DACs | 24 bits |
| SNR (ADC) | Signal-to-Noise Ratio of the ADCs with A-weighted filter | 96 dB |
| SNR (DAC) | Signal-to-Noise Ratio of the DACs with A-weighted filter | 105 dB |
| Power Supply | Analog and digital power supply voltages | Analog AVDD: 1.8 V, Digital IOVDD: 1.1 V to 1.98 V, Digital DVDD: 0.9 V |
| Package | Package type and dimensions | 42-ball WLCSP (2.695 mm x 2.320 mm x 0.47 mm) |
Key Features
- Programmable FastDSP Audio Processing Engine: Allows for customizable audio processing using the SigmaDSP core.
- Low Latency: Optimized for low latency, with a group delay of 5 μs at 768 kHz sample rate.
- Audio Processing Capabilities: Includes biquad filters, limiters, volume controls, and mixing.
- Visually Programmable: Can be programmed using SigmaStudio, a graphical user interface.
- Flexible Input/Output Configuration: Four single-ended analog inputs and eight digital microphone inputs, with two analog differential audio outputs configurable as line or headphone drivers.
- Low Power Consumption: Typical power consumption of 11.079 mW for stereo ANC settings.
- Control Interfaces: Supports I2C and SPI control interfaces, with self-boot capability from I2C EEPROM.
Applications
- Noise cancelling 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 ADAU1787BCBZRL?
The ADAU1787BCBZRL is a low-power audio codec with four ADCs, two DACs, and two digital signal processors (DSPs) from Analog Devices Inc.
- What is the maximum sample rate of the ADAU1787BCBZRL?
The maximum sample rate is up to 768 kHz.
- What is the resolution of the ADCs and DACs in the ADAU1787BCBZRL?
Both the ADCs and DACs have a resolution of 24 bits.
- What is the signal-to-noise ratio (SNR) of the ADCs and DACs?
The SNR for the ADCs is 96 dB with an A-weighted filter, and for the DACs, it is 105 dB with an A-weighted filter.
- What are the power supply requirements for the ADAU1787BCBZRL?
The device requires an analog power supply (AVDD) of 1.8 V, a digital I/O power supply (IOVDD) of 1.1 V to 1.98 V, and a digital power supply (DVDD) of 0.9 V.
- How is the ADAU1787BCBZRL programmed?
The device can be visually programmed using SigmaStudio, a graphical user interface.
- What are the typical applications of the ADAU1787BCBZRL?
Typical applications include noise cancelling handsets, headsets, and headphones, as well as multimedia speaker systems and smartphones.
- What is the package type and dimensions of the ADAU1787BCBZRL?
The device is packaged in a 42-ball WLCSP with dimensions of 2.695 mm x 2.320 mm x 0.47 mm.
- Does the ADAU1787BCBZRL support any specific control interfaces?
Yes, it supports I2C and SPI control interfaces, with the capability to self-boot from an I2C EEPROM.
- What is the typical power consumption of the ADAU1787BCBZRL?
The typical power consumption is 11.079 mW for stereo ANC settings.
