Key Features
- 24-V Supply for Class-D Output Stage
- Y-Bridge Multi-Level Supply Architecture
- Spread Spectrum Control
- Ultrasonic Output Support up to 40 kHz
Output Power:
- 25 W, 1% THD+N (4 Ω, 18 V)
- 30 W Maximum Output Power, 10 % THD+N
Efficiency (1% THDN) and Power Consumption
- 83% at 1W, 4 Ω, PVDD = 12 V, VBAT1S = 3.8 V
- 83% at 1W, 8 Ω, PVDD = 18 V, VBAT1S = 5 V
- 85% at 1W, 4 Ω, PVDD = 18 V, VBAT1S = 5 V
- 89% at 15W, 4 Ω, PVDD = 18 V, VBAT1S = 5 V
- 93% at 15W , 8 Ω, PVDD = 18 V, VBAT1S = 5 V
- <0.5 μA in Hardware Shutdown Mode
Power Supplies and Management:
- PVDD: 3 V to 24 V
- VBAT1S: 2.7 V to 5.5 V
- AVDD: 1.8 V
- IOVDD: 1.8 V/ 3.3 V
Interfaces and Control:
- SDOUT for Echo Cancellation
- I2S/TDM: 8 Channels of 32 bits up to 96 KSPS
- I2C: Selectable Addresses with Fast Mode+
- Inter-Chip Communication Bus
- 44.1 kHz to 96 kHz Sample Rates
Integrated Speaker Management, Protection and EMI:
- Real-time IV-Sense for Speaker Protection
- Short and Open Load Protection
- Thermal and Over Current Protection
- Brownout Protection with Power Limiter
- Over Power and Low Battery Protection
- PVDD and VBAT1S Supply Tracking Limiters
- Thermal Foldback
- Post Filter Feedback
- Output Slew Rate Control