ADAU1381BCBZ-RL7

Overview

The ADAU1381BCBZ-RL7 is a low-power, 24-bit stereo audio codec manufactured by Analog Devices Inc. It features integrated analog-to-digital and digital-to-analog converters supporting sampling rates from 8 kHz to 96 kHz. The device includes a built-in sound engine for audio processing, such as wind noise detection and automatic level control. It provides a 400 mW speaker amplifier into an 8 Ω load and supports both analog pseudo-differential microphone inputs and optional digital PDM microphone inputs. The component operates on analog and digital I/O supplies ranging from 1.8 V to 3.3 V and utilizes serial interfaces including I2C or SPI for control.

Feature Summary

• Integrated 24-bit stereo ADC and DAC with high dynamic range performance
• Built-in configurable sound engine featuring dual-band ALC and 6-band equalizer
• On-chip class-D speaker driver capable of delivering up to 400 mW output power
• Supports multiple input configurations including analog differential and digital PDM microphones

Applications

• Digital still cameras
• Digital video cameras

Procurement Notes

Verify the specific package type required for the design, as the ADAU1381 series is available in both 32-lead LFCSP and 30-ball WLCSP formats. Confirm that the ordering suffix matches the intended physical footprint before finalizing procurement. Ensure compatibility with the system's voltage levels and clocking requirements.

Selection Notes

Select this component when a compact solution combining high-fidelity audio conversion with onboard amplification is necessary. The integrated sound engine reduces external processor load by handling common audio enhancements internally. Consider the thermal characteristics of the chosen package if operating near maximum power output limits.

Part Context

This part belongs to the ADAU1381 family of low-noise stereo codecs designed for portable multimedia devices. It distinguishes itself by integrating significant signal processing capabilities directly within the codec, reducing the need for complex external digital signal processors in basic recording and playback applications.

Replacement Considerations

No public confirmed substitute part numbers are available.