Overview
The ADAU1777BCBZRL, produced by Analog Devices Inc., is a highly integrated, low-power codec designed for a variety of audio applications. This device features four single-ended analog inputs, configurable as microphone or line inputs, and two analog audio outputs that can be set up as either line outputs or headphone drivers. It incorporates a digital signal processing (DSP) core, enabling advanced audio processing functions such as filtering, level control, and signal mixing. The ADAU1777 is particularly suited for applications requiring high audio quality, low latency, and flexible configuration options.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Operating Temperature | -40 | 85 | °C | |
| Analog Input Sample Rate | 8 kHz | 192 kHz | ||
| Analog-to-Analog Latency | 5 μs (at 768 kHz) | 38 μs (at 192 kHz) | ||
| SNR (A-Weighted Filter) | 108 dB | |||
| Power Supplies | 1.8 V to 3.3 V (AVDD, IOVDD) | V | ||
| DSP Core Voltage | 1.1 V to 1.8 V (DVDD) | V | ||
| Package Type | 36-WLCSP (3.77x3.20 mm) |
Key Features
- Four single-ended analog inputs, configurable as microphone or line inputs.
- Dual stereo digital microphone inputs.
- Stereo analog audio output, configurable as either line output or headphone driver.
- PLL supporting any input clock rate from 8 MHz to 27 MHz.
- Full-duplex, asynchronous sample rate converters (ASRCs).
- Low power I2C and SPI control interfaces, self-boot from I2C EEPROM.
- Seven multipurpose (MPx) pins for digital controls and outputs.
- Advanced digital signal processing (DSP) core for filtering, level control, and signal mixing.
Applications
- Noise canceling handsets, headsets, and headphones.
- Bluetooth active noise canceling (ANC) handsets, headsets, and headphones.
- Personal navigation devices.
- Digital still and video cameras.
Q & A
- What is the ADAU1777BCBZRL used for? The ADAU1777BCBZRL is used in various audio applications requiring high-quality audio processing, such as noise canceling handsets, headsets, and headphones.
- What are the key features of the ADAU1777BCBZRL? Key features include four configurable analog inputs, dual stereo digital microphone inputs, configurable analog outputs, and advanced DSP capabilities.
- What is the operating temperature range of the ADAU1777BCBZRL? The operating temperature range is from -40°C to 85°C.
- What are the power supply requirements for the ADAU1777BCBZRL? The device requires power supplies of 1.8 V to 3.3 V for AVDD and IOVDD, and 1.1 V to 1.8 V for the DSP core (DVDD).
- What is the latency of the ADAU1777BCBZRL? The analog-to-analog latency is 5 μs at a sample rate of 768 kHz and 38 μs at a sample rate of 192 kHz.
- What control interfaces does the ADAU1777BCBZRL support? The device supports low power I2C and SPI control interfaces, with self-boot capability from I2C EEPROM.
- What are the common applications of the ADAU1777BCBZRL? Common applications include noise canceling handsets, headsets, headphones, personal navigation devices, and digital still and video cameras.
- What is the package type of the ADAU1777BCBZRL? The device is packaged in a 36-WLCSP (3.77x3.20 mm).
- Does the ADAU1777BCBZRL support asynchronous sample rate conversion? Yes, it supports full-duplex, asynchronous sample rate converters (ASRCs).
- How many multipurpose pins does the ADAU1777BCBZRL have? The device has seven multipurpose (MPx) pins for digital controls and outputs.
