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Data Sheet
TAS277020-W Digital Input Mono Class-D Audio Amplifier with Speaker I/V Sense
1 Features
- High-Performance Mono Class-D Amplifier
- 20-W at 1% THD+N (4 Ω, 16 V)
- 15.4-W at 1 % THD+N (4 Ω, 12.6 V)
- 0.03 % THD+N at 1 W (4 Ω, VBAT =
12.6 V)
- 32-µVrms A-Weighted Idle Channel noise
- 90-dB PSRR with 200 mVPP Ripple at 20 - 20 kHz
- 82.5% Efficiency at 1 W (4 Ω, VBAT = 12.6 V)
- < 1 µA HW Shutdown VBAT Current
- 42 mW / 63 mW Idle
Dissipation (8.4 V / 12.6 V)
- Speaker Voltage and Current Sense
- Real-Time Diagnostics Using I/V Speaker Sense
- Over Current
- Short
Circuit(short to power, short to ground and terminal-to-terminal short)
- Over-Temperature
- VBAT Tracking Peak Voltage Limiter with Brown Out Prevention
- 44.1-kHz to 192-kHz Sample Rates
- Flexible User Interfaces
- I2S/TDM: 8 Channels (32-bit / 96 kHz)
- I2C: 8 selectable Addresses
- MCLK Free Operation
- Low Pop and Click
- Power Supplies
- VBAT: 4.5 V to 16 V
- AVDD: 1.8 V
- Spread-Spectrum Low EMI Mode
- Thermal and Over Current Protection
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