| Power Supply (Min) (V) |
3 |
| Power Supply (Max) (V) |
5.5 |
| Digital Supply (Min) (V) |
1.65 |
| Digital Supply (Max) (V) |
1.95 |
| IO Supply (Min) (V) |
1.65 |
| IO Supply (Max) (V) |
1.95 |
| PVDD Voltage(V) |
9.5 |
| Boost Type |
Adaptive Boost |
| PO(W)
（8&THD=1%） |
4.75 |
| SPK
Noise(uV) |
22@24dB |
| DSP |
NO |
| Protection |
MEC+TPC |
| Control Interface |
IIC |
| RCV mode |
YES |
| RCV
Noise(uV) |
12@13dB |
| Temperature |
-40℃~85℃ |
| Package (mm) |
WLCSP 2.58X2.72-36B |
Smart BOOST with total efficiency up to 84%
High RF noise suppression, eliminate the TDD noise completely
Low noise: 12uV
THD+N: 0.02%
Speaker Voltage and Current Sense
Supports 6Ω Speaker
Extensive Pop-Click Suppression
Volume control(from -96dB to 0dB)
I2S/TDM interface：
I2S, Left-Justified and Right-Justified
Supports four slots TDM
Input Sample Rates from 8kHz to 96kHz
Data Width: 16, 20, 24, 32 Bits
I2C-bus control interface(400kHz)
Power Supplies：
VDD：3.0V-5.5V
DVDD: 1.65V~1.95V
Short-Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection
WLCSP 2.58X2.72-36B package
The AW88258 is an I2S/TDM input, high efficiency digital Smart K audio amplifier with an integrated 9.5V smart boost converter. Due to its 12μV noise floor and ultra-low distortion, clean listening is guaranteed. It can deliver 4.75W output power into an 8Ω speaker at 1% THD+N.
The AW88258 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 AW88258 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 AW88258 offers Short Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection to protect the device.
AW88258 is available in a WLCSP 2.58X2.72 -36B package.
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