| Power Supply (Min) (V) |
3.0 |
| Power Supply (Max) (V) |
5.5 |
| PVDD Voltage(V) |
8.5 |
| Boost Type |
Adaptive DO-Charge Pump(inductor free) |
| PO(W) （8Ω&THD=1%） |
3.1W@4.2V |
| SPK Noise(uV) |
38uV@18dB
48uV@24dB |
| Protection |
TLTR AGC |
| Control Interface |
IIC |
| RCV mode |
YES |
| RCV Noise(uV) |
9.5uV@0dB
16uV@4.5dB |
| Temperature |
-40℃~85℃ |
| Package (mm) |
FCQFN 2X2.5-16L |
Triple-Level Triple-Rate AGC algorithm：
Enhance bass, improve the dynamic range
Increase volume, eliminate noise, timely and effectively protect the speaker
Adaptive DO-Chargepump technology：
Low Quiescent current：6mA@3.6V
Overall efficiency up to 83%
Output Power：3.1W@8Ω，3.5W@6Ω
Low Noise：9.5μV
Low THD+N：0.02%
Support high power receiver stereo application
Support AB/D speaker，AB/D receiver 2-in-1 application
AB receiver：0dB，Vn=9.5μV，THD+N=0.2%
D receiver：4.5dB，Vn=16μV，THD+N=0.02%
Support 1.8V I2C Control
Over current protection, over-temperature protection and short-circuit protection
Super TDD-Noise suppression
Excellent pop-click suppression
High PSRR：90dB（217Hz）
FCQFN 2.5mmX2.0mmX0.55mm-16L package
AW87389 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, 5th Smart K audio amplifier. AW87389 integrates awinic’s proprietary Triple-Level Triple-Rate AGC audio algorithm, effectively eliminating music noise and improving sound quality and volume. AW87389 integrated efficiency up to 90% of adaptive DO-Chargepump technology, significantly improving the dynamic range of the music output and power consumption of audio system. AW87389 noise floor is as low as to 38μV at speaker mode, with 102dB high signal-to-noise-ratio (SNR). The ultra-low distortion 0.02% and unique Triple-Level Triple-Rate AGC technology bring high quality music enjoyment.
AW87389 support speaker and high power receiver stereo applications；supports speaker and receiver 2-in-1 applications，class AB/D receiver optional，ultra-low noise is 9.5μV.
AW87389 controls internal registers through the I2C interface. Register parameters include output voltage, power amplifier gain, Triple-Level Triple-Rate AGC parameters etc.
AW87389 built-in over current protection, over temperature protection and short circuit protection function, effectively protect the chip. AW87389 features small FCQFN 2.5mmX2.0mmX0.55mm-16L package.
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