| Power Supply (Min) (V) |
2.8 |
| Power Supply (Max) (V) |
5.5 |
| PVDD Voltage(V) |
9 |
| Boost Type |
Adaptive Boost |
| PO(W) （8Ω&THD=1%） |
4.75W@4.2V |
| SPK Noise(uV) |
45uV@18dB |
| Protection |
TLTR AGC |
| Control Interface |
IIC |
| RCV mode |
YES |
| RCV Noise(uV) |
19uV@9dB
11uV@0dB |
| Temperature |
-40℃~85℃ |
| Package (mm) |
FCQFN 2X3-20L |
Triple-Level Triple-Rate AGC algorithm to effectively eliminate noise, pure sound quality
Half wave modulation
High efficiency large drive ability Adaptive Boost
The output voltage：9.0V
Overall efficiency up to 85%
Maximum output Power：4.75W@8Ω
Support External VBST Application
High PSRR：82dB (217Hz)
Low noise：
45μV (K Speaker @18dB THD+N=0.012%)
19μV (D Receiver @9dB THD+N=0.013%)
11μV (D Receiver @0dB THD+N=0.015%)
Selectable speaker-guard power level：
0.5W~2W@8ohm, 100mW/step
Speaker & receiver 2-in-1 mode application
Battery tracking AGC selectable, for low voltage protection
Shutdown current：0.1μA
Quiescent current: 6.8mA@3.6V
Super TDD-Noise suppression
Excellent pop-click suppression
Excellent full bandwidth EMI suppression
Support 1.8V logic I2C control
FCQFN 2.0mm X 3.0mm X 0.55mm-20L package
AW87559 is specifically designed to improve the musical output dynamic range, enhance the overall sound quality. It is a new high efficiency, high PSRR，low noise, constant large volume, 5th generation Smart K audio amplifier. AW87559 integrates AWINIC’s proprietary Triple-Level Triple-Rate AGC audio algorithm, effectively eliminating music noise and improving sound quality and volume. AW87559 integrates high voltage synchronous adaptive Boost with efficiency up to 88% as the class D power stage supply, significantly improving the dynamic range of music.
AW87559 noise floor is as low as to 45μV at speaker mode, with 103dB high signal-to-noise ratio (SNR). The ultra-low distortion 0.012% and unique Triple-Level Triple-Rate AGC technology bring high quality music enjoyment.
It supports speaker and receiver 2-in-1 application. Quiescent current is 6.8mA when VDD is equal to 3.6V. In the receiver mode, its ultra-low noise is 11μV. Class D receiver also has high PSRR performance to completely suppress TDD-noise.
It controls internal registers through the I2C interface. Register parameters include boost output voltage, boost maximum input peak current, PA gain, Triple-Level Triple-Rate AGC parameters, etc.
It built-in over current protection, over temperature protection and short circuit protection function, effectively protect the chip.
AW87559 features FCQFN 2.0mm X3.0mm X 0.55mm-20L package
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