Overview
The ADAU1961WBCPZ-RL, produced by Analog Devices Inc., is a low-power, stereo audio codec designed for high-performance audio applications. This component supports stereo 48 kHz record and playback at a power consumption of 35 mW from a 3.3 V analog supply. It features 24-bit stereo audio ADCs and DACs, supporting sample rates from 8 kHz to 96 kHz, along with a digital volume control. The ADAU1961 is particularly suited for automotive and other demanding audio environments due to its robust performance and low power consumption.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (AVDD) | 3.0 | 3.3 | 3.6 | V |
| Power Consumption (Record) | 17 | mW | ||
| Power Consumption (Playback) | 18 | mW | ||
| Sample Rates | 8 | 96 | kHz | |
| ADC Resolution | 24 | Bits | ||
| Operating Temperature | -40 | 105 | °C | |
| Package Type | 32-Lead LFCSP (5mm x 5mm w/ EP) |
Key Features
- 24-bit stereo audio ADC and DAC with >98 dB SNR
- Sampling rates from 8 kHz to 96 kHz
- Low power consumption: 17 mW record, 18 mW playback at 48 kHz
- Six analog input pins, configurable for single-ended or differential inputs
- Flexible analog input/output mixers
- Stereo digital microphone input
- PLL supporting input clocks from 8 MHz to 27 MHz
- Analog automatic level control (ALC)
- Five high power output drivers (two differential and three single-ended)
- Support for I2C and SPI control interfaces
- Programmable serial audio bus for I2S, left-/right-justified, and TDM modes
Applications
- Automotive head units
- Automotive amplifiers
- Navigation systems
- Rear-seat entertainment systems
Q & A
- What is the power consumption of the ADAU1961 during record and playback at 48 kHz?
The power consumption is approximately 17 mW during record and 18 mW during playback at 48 kHz.
- What are the supported sample rates for the ADAU1961?
The ADAU1961 supports sample rates from 8 kHz to 96 kHz.
- What is the resolution of the ADC and DAC in the ADAU1961?
The ADC and DAC have a resolution of 24 bits.
- What types of control interfaces does the ADAU1961 support?
The ADAU1961 supports I2C and SPI control interfaces.
- What is the operating temperature range of the ADAU1961?
The operating temperature range is from -40°C to +105°C.
- What package type is the ADAU1961 available in?
The ADAU1961 is available in a 32-Lead LFCSP (5mm x 5mm w/ EP) package.
- Does the ADAU1961 support digital microphone inputs?
Yes, the ADAU1961 supports stereo digital microphone inputs.
- What is the function of the PLL in the ADAU1961?
The PLL supports input clocks from 8 MHz to 27 MHz and generates flexible clock rates for various audio standards.
- Can the ADAU1961 be used in automotive applications?
Yes, the ADAU1961 is qualified for automotive applications and is suitable for use in automotive head units, amplifiers, navigation systems, and rear-seat entertainment systems.
- What is the maximum junction temperature of the ADAU1961?
The maximum junction temperature is 125°C.
