| Power Supply (Min) (V) |
3.0 |
| 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) |
3.6 |
| PVDD Voltage(V) |
10.25 |
| Boost Type |
Adaptive Boost |
| PO(W)
（8&THD=1%） |
5.3W@4.2 |
| SPK
Noise(uV) |
22uV |
| DSP |
YES |
| Protection |
MEC+TPC |
| Control Interface |
IIC |
| RCV mode |
YES |
| RCV
Noise(uV) |
12uV |
| Temperature |
-40℃~85℃ |
| Package (mm) |
WLCSP 2.48X3.17-42B |
Integrates SKTune Speaker Protection Algorithm
Membrane excursion control algorithm
Coil temperature protection algorithm
Smart BOOST with total efficiency up to 80%
High RF noise suppression, eliminate the TDD noise completely
Low noise: 12uV
THD+N: 0.02%
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 2.48X3.17-42B package
The AW88194 is an I2S/TDM input, high efficiency digital Smart K audio amplifier with an integrated 10.25V smart boost converter and SKTune speaker protection algorithms. Due to its 12uV noise floor and ultra-low distortion, clean listening is guaranteed. It can deliver 5.3W output power into an 8Ω speaker at 1% THD+N.
The AW88194 integrates SKTune speaker protection algorithm that includes membrane excursion control algorithm and coil temperature protection algorithm. The SKTune speaker protection algorithm maximizes speaker performance while maintaining safe speaker conditions.
The AW88194 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 AW88194 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 AW88194 offers Short Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection to protect the device.
AW88194 is available in a WLCSP 2.48X3.17-42B package.
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