| Power Supply (Min) (V) |
2.5 |
| Power Supply (Max) (V) |
5.5 |
| Digital Supply (Min) (V) |
1.65 |
| Digital Supply (Max) (V) |
1.95 |
| IO Supply (Min) (V) |
1.2 |
| IO Supply (Max) (V) |
1.8 |
| PVDD Voltage(V) |
12 |
| Boost Type |
Adaptive Boost |
| PO(W)
（8&THD=1%） |
6.8W@4.4V（8Ω+47uH,ipeak 4.5A） |
| SPK
Noise(uV) |
9.5 |
| DSP |
NO |
| Protection |
MEC+TPC |
| Control Interface |
IIC |
| RCV mode |
YES |
| RCV
Noise(uV) |
4.5 |
| Temperature |
-40℃~85℃ |
| Package (mm) |
WLCSP 2.2X2.2-36B |
Smart amplifier with total efficiency up to 87%
High RF noise suppression, eliminate the TDD noise completely
Output noise：
Speaker mode: 9.5μV
Receiver mode: 3.6μV
THD+N: 0.01%
Speaker Voltage and Current monitor and feedback with I2S/TDM interface
Power Saving Mode (PSM)
Supports 4Ω Speaker
Extensive Pop-Click Suppression
Volume control (from -96dB to 0dB)
I2S/TDM interface：
I2S, Left-Justified and Right-Justified
Supports 1/2/4/6/8/16 slots TDM
Input Sample Rates from 8kHz to 192kHz
Data Width: 16, 20, 24, 32 Bits
Ultrasonic support with sample frequency of 96kHz
I2C-bus control interface
Power Supplies：
VBAT: 2.5V-5.5V
DVDD: 1.65V~1.95V
VDDIO: 1.2V / 1.8V
Battery Brown Out Protection
Short-Circuit Protection, Over-Temperature
Protection, Under-Voltage Protection and
Over-Voltage Protection
WLCSP 2.2mmX2.2mm-36B Package
The AW88461CSR is an I2S/TDM input, high efficiency digital Smart K audio amplifier with an integrated 12V smart boost converter. Due to its 8uV noise floor and ultra-low distortion, clean listening is guaranteed. It can deliver 6.5W output power into an 8Ω speaker at 1% THD+N.
The AW88461CSR 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 AW88461CSR 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 AW88461CSR offers Short Circuit Protection, Over-Temperature Protection, Under-Voltage Protection and Over-Voltage Protection to protect the device.
AW88461CSR is available in a WLCSP 2.2mmX2.2mm-36B Package.
中文