www.ti.com
TAS2770 SLASEM6C – OCTOBER 2017 – REVISED OCTOTABESR22707200
SLASEM6C – OCTOBER 2017 – REVISED OCTOBER 2020
...
www.ti.com
TAS2770 SLASEM6C – OCTOBER 2017 – REVISED OCTOTABESR22707200
SLASEM6C – OCTOBER 2017 – REVISED OCTOBER 2020
TAS2770 20-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
2 Applications
Laptop Computers Bluetooth Speakers Home Automation Smart Speakers/IoT
3 Description
The TAS2770 is a mono, digital input Class-D audio amplifier optimized for efficiently driving small loudspeakers . The output power, protection features and packages make TAS2770 a good choice for Smart speakers, Bluetooth speakers, home automation ...
