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AW88470CSR

I2S/TDM Input, High Efficiency, 12V BOOST Digital Smart K Audio Amplifier

Datasheet :
Preview - AW88470CSR - Datasheet

Product details

Parameters

Power Supply (Min) (V) 2.3
Power Supply (Max) (V) 5.5
Digital Supply (Min) (V) 1.65
Digital Supply (Max) (V) 1.95
IO Supply (Min) (V) 1.2
IO Supply (Max) (V) 1.8
PVDD Voltage(V) 12
Boost Type Adaptive Boost
PO(W) （8&THD=1%） 6.9W@4.4V
SPK Noise(uV) 9
DSP NO
Protection MEC+TPC
Control Interface IIC IIS
RCV mode YES
RCV Noise(uV) 7
Temperature -40℃~85℃
Package (mm) WLCSP 2.33X2.33-36B

Package | Pins | Size

WLCSP 2.33X2.33-36B

Features

 Smart amplifier with total efficiency up to 89%  Output noise：  Speaker mode: 9μV  Receiver mode: 7μV  THD+N: 0.02%  Speaker Voltage and Current monitor and feedback with I2S/TDM interface  Power Saving Mode (PSM)  Supports 4Ω Speaker  Extensive Pop-Click Suppression  Volume control (from -96dB to 0dB)  I2S/TDM interface：  I2S, Left-Justified and Right-Justified  Supports 1/2/4/6/8/16 slots TDM  Input Sample Rates from 8kHz to 192kHz  Data Width: 16, 20, 24, 32 Bits  Ultrasonic support with sample frequency ≥ 48kHz(48kHz/96kHz/192kHz)  I2C-bus control interface(≤1MHz)  Power Supplies：  VBAT: 2.3V-5.5V  VDDA: 1.65V~1.95V  VDDIO: 1.2V / 1.8V  Battery Brown Out Protection  Short-Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection  WLCSP 2.33mm x 2.33mm -36B Package

Description

The AW88470CSR is an I2S/TDM input, high efficiency digital Smart K audio amplifier with an integrated 12V smart boost converter. Due to its 7μV noise floor and ultra-low distortion, clean listening is guaranteed. It can deliver 6.9W output power into an 8Ω speaker at a battery voltage of 4.4V. The AW88470CSR integrates a high-efficiency smart boost converter as the Class-D amplifier supply rail. The output voltage of boost converter can be adjusted smartly according to the input amplitude, which extremely improves the efficiency without clipping distortion. The AW88470CSR features high RF suppression and eliminates TDD noise completely benefited from the digital audio input interface. General settings are communicated via an I2C-bus interface, and the device address is configurable. The AW88470CSR offers Short Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection to protect the device. The AW88470CSR features Power Saving Mode (PSM), a feature developed specifically for batteries life extension, which helps reduce power consumption and noise during small output. By switching output power rail according to different input amplitude, system can achieve a better performance of efficiency and noise.

Technical documentation
Type
Title
Language
Date
Product Design Guide AW88470 Hardware Design Guide 英文   2025-07-24
Datasheet DS_AW88470_EN_V1.1 英文   2025-12-17
Product Design Guide AW88470 Software Design Guide 英文   2026-06-23

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Software development

APPLICATION SOFTWARE&FRAMEWORK

AW88470_GUI — AW88470CSR product tuning GUI plugin

AW88470CSR product tuning GUI plugin. Requires AwinicSCPV4 installed.

View options

DRIVER OR LIBRARY

AW88470_Driver — Android and other drivers for AW88470

Android and other drivers for AW88470，including example code，porting duide，debugging guide，etc

View options

APPLICATION SOFTWARE&FRAMEWORK

AwinicSCPV4_GUI — AwinicSCPV4 Intelligent Tuning Tool

AwinicSCPV4 is an intelligent tuning tool specifically designed for Awinic products, facilitating product configuration and debugging processes. Intuitive interface and user-friendly operation can help customers shorten development time and complete system integration quickly.

View options
Software development

APPLICATION SOFTWARE&FRAMEWORK

AW88470_GUI — AW88470CSR product tuning GUI plugin

AW88470CSR product tuning GUI plugin. Requires AwinicSCPV4 installed.

View options

DRIVER OR LIBRARY

AW88470_Driver — Android and other drivers for AW88470

Android and other drivers for AW88470，including example code，porting duide，debugging guide，etc

View options

APPLICATION SOFTWARE&FRAMEWORK

AwinicSCPV4_GUI — AwinicSCPV4 Intelligent Tuning Tool

AwinicSCPV4 is an intelligent tuning tool specifically designed for Awinic products, facilitating product configuration and debugging processes. Intuitive interface and user-friendly operation can help customers shorten development time and complete system integration quickly.

View options