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Key Features
Integrated DSP for Audio Processing
23V supply for Class-D Output Stage
PSM Multi-Level Supply Architecture
PTC External Boost Control Algorithm
Ultrasonic Output Support up to 40kHz
Output Power
30W@4Ω, 18V, THD+N<1%
High-efficiency Class-D Amplifier PSM ON
81% at 0.5W,4Ω, PVDDH=18V, PVDDL=5V
84% at 1W,4Ω, PVDDH=18V, PVDDL=5V
High-efficiency Class-D Amplifier PSM OFF
80% at 1W, 4Ω, PVDDH=18V, PVDDL=5V
89% at 10W, 4Ω, PVDDH=18V, PVDDL=5V
90% at 20W, 4Ω, PVDDH=18V, PVDDL=5V
Interface and Control
I2S/TDM:8 Channels of 32 bits up to 96ksps
Data Width: 16, 20, 24, 32 bits
32kHz to 192kHz Sample Rates
Advanced DSP Audio Processing
Real-time IV-Sense for Speaker Protection
Nonlinear Excursion Compensation(NEC)
Piano Noise Suppression
Dynamic Equalizer Enhancement (DEE)
Transient Control (TRC)
Auto Power Save (APS)
Protection and EMI:
Over Power and Low Battery Protection
PVDDH/PVDDL Supply Tracking Limiters
Thermal and Over Current Protections
Thermal Foldback
Slew Rate Control
Power Supplies
PVDDH: 3V~23V
PVDDL: 2.7V~5.5V
AVDD: 1.8V
IOVDD: 1.8V/3.3V
Integrated Self-Protection
Over-Current Protection (OCP)
Over-Temperature Protection (OTP)
Over/Under-Voltage Lock-out (OVLO/UVLO)
Cycle by Cycle (CBC)
DC-detect and Short-circuit Protection
FCQFN 3.5mmX4mm-30L Package