8.5V Large Volume Ultra Low Bass 2-in-1 TLTR-AGC 2 nd Smart K Audio Amplifier

AW87319 is specifically designed to improve the musical output dynamic range, enhance the overall sound quality, which is a new high efficiency, low noise, constant large volume, 2 nd Smart K audio amplifiers. AW87319 integrates the high-voltage synchronous Boost with efficiency up to 84% as the Class D power stage supply. It significantly improves the output dynamic range of music. AW87319 integrates Awinic’s proprietary Triple-Level Triple-Rate AGC audio algorithm, effectively eliminating music noise and improving sound quality and volume. AW87319 noise floor is as low as to 47uV, with 102dB high  signal-to-noise-ratio  (SNR).  The  ultra-low distortion 0.015% and unique Triple-Level Triple-Rate AGC technology bring high quality music enjoyment. AW87319 supports speaker and receiver 2-in-1 applications. In the receiver application, Class D power stage voltage is straightly supplied by battery. AW87319 controls internal registers through the I 2 C interface. Register parameters include Boost Output Voltage, Boost maximum input peak current, Class D gain, Triple-Level Triple-Rate AGC parameters. AW87319  built-in  over  current  protection, over-temperature  protection  and  short  circuit protection function, effectively protect the chip. AW87319 uses small 2.76mm*2.36mm CSP-19 package.


l  Triple-Level Triple-Rate AGC algorithm

l  Enhance the bass, improve the dynamic range

l  Increase volume, eliminate noise, timely and effectively protect the speaker

l  8.5V Boost

l  Output Power4.1W@8Ω 4.6W@6Ω

l  Low Noise47μV

l  Low THD+N0.015%

l  Overall efficiency up to 72%

l  Support speaker, receiver 2-in-1 application

l  Receiver mode: Noise 20μV, THD+N 0.02%

l  Support 1.8V I2C Control Interface

l  Battery tracking AGC, for low-voltage protection

l  Over current protection, over-temperature protection and short-circuit protection

l  Super TDD-Noise suppression

l  Excellent pop-click suppression

l  High PSRR-70dB217Hz

l  Small 2.76mm*2.36mm CSP-19 package


Application note

Product name Type Size Download
AW87319CSR PDF 1.6M
  • Voltage(V)
    Boost Type
    R=8Ω THD=1%
    Package (mm)
  • AW87319CSR

    WLCSP 2.36X2.76-19B
  • AW87329CSR

    DO-Chargepump (inductor free)
    WLCSP 2.54X2.07-18B
  • AW87318CSR

    K-Chargepump (inductor free)
    WLCSP 1.6X1.68-14B
Package form Number of pins Long(mm) Width(mm) Thick(mm) Pin spacing(mm) Heat sink Package drawing
WLCSP 2.76×2.36×0.595-19B 19 2.76 2.36 0.595 0.5 N
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