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AW8896CSR

I2S Input, High Efficiency, Feed-Forward Multi-Level AGC 2nd Digital Smart K Audio Amplifier

The AW8896 is an I2S input, high efficiency and 2 nd AWINIC digital Smart K audio amplifier with an integrated adaptive boost converter, sound quality enhancement algorithms and speaker protection. Due to its 26uV noise floor and ultra-low distortion, clean listening is guaranteed. It can delivers 2.17W (RMS, THD+N=1%) output power into a 6Ω speaker at a battery voltage of 4.2V. The AW8896 features AWINIC new generation Feed-Forward Multi-Level AGC algorithm that prevents clipping noise and improves sound quality. The AW8896 also incorporates Bass and Treble enhancement function for increasing loudness and enhancing the quality of audio signal. The AW8896 supports speaker and receiver 2-in-1 applications. In the receiver application, it connects VDD directly to the Class-D amplifier supply. The AW8896 integrates a high-efficiency and adaptive boost converter as the Class-D amplifier supply rail. The boost converter output voltage is only raised when necessary. This improves the output dynamic range of audio signal while limiting quiescent power consumption. The AW8896 features high RF suppression and eliminates TDD noise completely benefited from the audio input is I2S interface.

Characteristic

l  New generation Feed-Forward Multi-Level AGC algorithm

l  Feed-forward algorithm prevents clipping noise

l  Bass and Treble enhancement to increase loudness and improve sound quality

l  Supports Speaker, Receiver 2-in-1 application

l  High RF noise suppression, eliminate the TDD noise completely

l  Low noise: 26uV

l  THD+N: 0.015%

l  Adaptive BOOST with efficiency up to 94%, total efficiency up to 87%

l  Supports 6Ω Speaker

l  Extensive Pop-Click Suppression

l  Volume control(from -96dB to 0dB)

l  I2C-bus control interface(400kHz)

l  I2S-bus

n  I2S, Left-Justified and Right-Justified

n  Input Sample Rates from 8kHz to 48kHz

n  Data Width: 16, 20, 24, 32 Bits

l  Power Supplies

n  VDD3V-5.5V

n  DVDD1.65V-1.95V

l  Short-Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection

l  Space saving 0.4mm pitch 2.55mm ×1.94mm

Datasheet

  • Voltage(V)
    Boost Type
    R=8Ω THD=1%
    Protection
    Receiver
    Package (mm)
  • AW8896CSR

    5.75
    Boost
    1.96W@4.2V
    Feed-Forward Multi-Level AGC
    WLCSP 2.55X1.94-28B
Package form Number of pins Long(mm) Width(mm) Thick(mm) Pin spacing(mm) Heat sink Package drawing
WLCSP 2.55×1.94×0.56-28B 28 2.55 1.94 0.56 0.4 N
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