ADAU1761BCPZ

Overview

The ADAU1761BCPZ is a stereo audio codec featuring an integrated SigmaDSP core and PLL. It provides 24-bit resolution with sampling rates from 8 kHz to 96 kHz. The device includes two ADCs and two DACs, supporting analog supply voltages of 1.8 V to 3.65 V and digital I/O levels of 1.63 V to 3.65 V. It offers six configurable analog inputs, multiple output drivers including headphone amplifiers, and supports I2C/SPI control interfaces.

Feature Summary

• Integrates a 28-/56-bit SigmaDSP processor for customizable audio signal processing
• Supports flexible analog input configurations for single-ended or differential signals
• Includes built-in automatic level control and microphone bias circuits
• Features software-controllable mute and power-down modes

Applications

• Smartphones and multimedia phones
• Digital still cameras and video cameras
• Portable media players and portable audio players
• Phone accessories products

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure compatibility with required packaging formats and reel specifications. Confirm that the component meets all applicable environmental compliance standards relevant to your target market before finalizing procurement orders.

Selection Notes

Select this component when a low-power stereo codec with embedded DSP capabilities is required. Ensure the system design accommodates the 32-lead LFCSP package dimensions and provides adequate thermal dissipation through the exposed pad. Verify that the host controller supports the necessary SPI or I2C communication protocols for configuration.

Part Context

This part belongs to the Analog Devices SigmaDSP family of audio codecs. It is designed to replace legacy discrete audio solutions by integrating conversion and processing functions into a single compact package. The device is commonly used in consumer electronics requiring high-quality audio with minimal external components.

Replacement Considerations

Consult the official datasheet for confirmed substitute part numbers within the same product family. Verify pinout compatibility and electrical specifications before implementing any alternative components in existing designs.