Overview
The ADAU1772BCPZ-R7, produced by Analog Devices Inc., is a low-power codec with integrated digital signal processing (DSP) capabilities. This component features four single-ended analog inputs and two analog outputs, making it suitable for a variety of audio applications. The ADAU1772 incorporates a programmable audio processing engine that can perform functions such as filtering, level control, signal level monitoring, and mixing. It is optimized for low latency, which is particularly beneficial in noise-cancelling headsets and other real-time audio processing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of ADCs | 4 |
| Number of DACs | 2 |
| ADC Resolution | 24-bit |
| DAC Resolution | 24-bit |
| Sample Rates | 8 kHz to 192 kHz |
| Signal-to-Noise Ratio (SNR) | 102 dB (ADC with A-weighted filter), 107 dB (DAC with A-weighted filter) |
| Analog-to-Analog Latency | 38 μs |
| Input Types | Four single-ended analog inputs (configurable as microphone or line inputs) |
| Output Types | Stereo analog audio output (configurable as line output or headphone driver) |
| Control Interfaces | I2C and SPI |
| Package Type | 40-Lead LFCSP (6mm x 6mm w/ EP) |
Key Features
- Programmable audio processing engine with capabilities for filtering, level control, signal level monitoring, and mixing.
- Low power consumption (typical 15 mW for noise cancelling solution).
- Low latency of 38 μs from analog input to DSP core to analog output.
- Support for full-duplex, asynchronous sample rate converters (ASRCs).
- I2C and SPI control interfaces.
- Self-boot capability from I2C EEPROM.
- PLL supporting any input clock rate from 8 MHz to 27 MHz.
Applications
- Noise cancelling headsets, headsets, and headphones.
- Bluetooth ANC headsets, headsets, and headphones.
- Personal navigation devices.
- Digital still and video cameras.
Q & A
- What is the ADAU1772BCPZ-R7 used for? The ADAU1772BCPZ-R7 is used in various audio applications, particularly in noise-cancelling headsets, Bluetooth headsets, personal navigation devices, and digital cameras.
- How many ADCs and DACs does the ADAU1772BCPZ-R7 have? The ADAU1772BCPZ-R7 has 4 ADCs and 2 DACs.
- What is the resolution of the ADCs and DACs? Both the ADCs and DACs have a resolution of 24 bits.
- What are the supported sample rates? The supported sample rates range from 8 kHz to 192 kHz.
- What is the signal-to-noise ratio (SNR) of the ADAU1772BCPZ-R7? The SNR is 102 dB for the ADC with an A-weighted filter and 107 dB for the DAC with an A-weighted filter.
- What is the analog-to-analog latency of the ADAU1772BCPZ-R7? The analog-to-analog latency is 38 μs.
- What types of inputs and outputs does the ADAU1772BCPZ-R7 support? It supports four single-ended analog inputs and two analog outputs, which can be configured as line outputs or headphone drivers.
- What control interfaces are available on the ADAU1772BCPZ-R7? The component supports I2C and SPI control interfaces.
- Can the ADAU1772BCPZ-R7 self-boot from an EEPROM? Yes, it can self-boot from an I2C EEPROM.
- What is the package type of the ADAU1772BCPZ-R7? The package type is a 40-Lead LFCSP (6mm x 6mm w/ EP).
