Overview
The ADAU1372BCPZRL is a low-latency, low-power codec developed by Analog Devices Inc. This integrated circuit is designed with four analog inputs and two analog outputs, incorporating asynchronous sample rate converters (ASRCs). It is optimized for applications requiring high audio quality, low latency, and low power consumption. The ADAU1372BCPZRL includes built-in programmable gain amplifiers (PGAs), analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and headphone amplifiers, making it a comprehensive solution for various audio processing needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| ADC Resolution | 24-bit | |
| DAC Resolution | 24-bit | |
| Signal-to-Noise Ratio (SNR) | 102 dB (with A-weighted filter) | |
| Dynamic Range | 107 dB (through DAC and headphone with A-weighted filter) | |
| Serial Port Sample Rates | 8 kHz to 192 kHz | |
| Analog-to-Serial Port Latency | 130 μs at fS = 48 kHz | |
| Analog Inputs | 4 single-ended, configurable as microphone or line inputs | |
| Digital Microphone Inputs | Dual stereo digital microphone inputs | |
| PLL Input Clock Rate | 8 MHz to 27 MHz | |
| Power Supplies | 1.8 V to 3.3 V (analog and digital input/output) | |
| Control Interfaces | I2C and SPI | |
| Package Type | 40-Lead LFCSP (6mm x 6mm w/ EP) |
Key Features
- Low latency and low power consumption
- 24-bit ADCs and DACs
- High SNR (102 dB with A-weighted filter) and dynamic range (107 dB with A-weighted filter)
- Serial port sample rates from 8 kHz to 192 kHz
- Four single-ended analog inputs, configurable as microphone or line inputs
- Dual stereo digital microphone inputs
- PLL supporting any input clock rate from 8 MHz to 27 MHz
- Full-duplex, asynchronous sample rate converters (ASRCs)
- I2C and SPI control interfaces for flexibility
- Five multi-function pins supporting dual stereo digital microphone inputs, mute, push-button volume controls
Applications
- Handsets, headsets, and headphones
- Bluetooth handsets, headsets, and headphones
- Personal navigation devices
- Digital still and video cameras
Q & A
- What is the ADAU1372BCPZRL? The ADAU1372BCPZRL is a low-latency, low-power codec developed by Analog Devices Inc., designed for high-quality audio processing.
- What are the key features of the ADAU1372BCPZRL? Key features include 24-bit ADCs and DACs, high SNR and dynamic range, serial port sample rates from 8 kHz to 192 kHz, and built-in PGAs and ASRCs.
- What are the typical applications of the ADAU1372BCPZRL? Typical applications include handsets, headsets, headphones, Bluetooth devices, personal navigation devices, and digital cameras.
- What is the power supply range for the ADAU1372BCPZRL? The power supply range is from 1.8 V to 3.3 V for both analog and digital input/output.
- What control interfaces does the ADAU1372BCPZRL support? The ADAU1372BCPZRL supports I2C and SPI control interfaces.
- What is the latency of the ADAU1372BCPZRL? The analog-to-serial port latency is 130 μs at a sample rate of 48 kHz.
- How many analog inputs does the ADAU1372BCPZRL have? The ADAU1372BCPZRL has four single-ended analog inputs, configurable as microphone or line inputs.
- Does the ADAU1372BCPZRL support digital microphone inputs? Yes, it supports dual stereo digital microphone inputs.
- What is the PLL input clock rate range for the ADAU1372BCPZRL? The PLL input clock rate range is from 8 MHz to 27 MHz.
- What package type is the ADAU1372BCPZRL available in? The ADAU1372BCPZRL is available in a 40-Lead LFCSP (6mm x 6mm w/ EP) package.
