ADAU1797ABCBZRL7

Description：3 ADC, 1 DAC, LOW PWR CODEC, AUD
Series：-

SKU:a9e3a52ffd34 Category: CODECS Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：3 ADC, 1 DAC, LOW PWR CODEC, AUD
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Type：Audio
Data Interface：I2C, SPI
Resolution (Bits)：24 b
Sigma Delta：Yes
S/N Ratio, ADCs / DACs (db) Typ：100 / 106
Dynamic Range, ADCs / DACs (db) Typ：-
Voltage - Supply, Analog：1.7V ~ 1.98V
Voltage - Supply, Digital：0.85V ~ 1.21V
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：77-UFBGA, WLCSP
Supplier Device Package：77-WLCSP (3.24x4.83)
Grade：-
Qualification：-

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ADAU1797ABCBZRL7

Overview

The ADAU1797ABCBZRL7 is a high-performance audio codec featuring integrated HiFi 3z and FastDSP cores. It includes three 24-bit ADC channels, ten digital microphone inputs, two PDM outputs, and one Class-D amplifier channel. The device supports sample rates up to 768kHz with low latency. Key electrical parameters include an analog supply voltage (VAVDD) of 1.7V to 1.98V, a digital supply voltage (VDVDD) of 0.85V to 1.21V, and an I/O voltage (VIOVDD) of 1.1V to 1.98V. It operates within a temperature range of -40°C to +85°C.

Feature Summary

Integrates Tensilica HiFi 3z DSP and FastDSP engine for noise cancellation and voice processing
Features a high-efficiency Class-D amplifier with two PDM output channels
Supports flexible input configurations including analog line inputs and digital microphones
Includes asynchronous sample rate converters and multiple serial audio data ports

Applications

True wireless stereo (TWS) ANC headphones
Over-ear stereo ANC headphones
VR and AR headsets and wearable devices
Hearing assist and PSAP devices
Soundbar and smart speaker systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and reel specifications. Ensure compatibility with the required operating voltage levels and interface standards before finalizing procurement orders.

Selection Notes

Select this component for applications requiring integrated DSP capabilities alongside high-fidelity audio conversion. Consider the power consumption profiles in different operating modes when designing battery-powered devices. Verify that the system clock requirements align with the supported master clock frequencies.

Part Context

This part belongs to the Analog Devices ADAU1797A series of audio codecs. It is designed to provide a complete audio solution by combining analog-to-digital conversion, digital signal processing, and digital-to-analog amplification in a single compact package.