This document introduces the main features of TAS5121 digital audio amplifier, including power, efficiency, THD+N, etc.
The TAS5121 is a high-performance digital amplifier power stage designed to drive a 4-ohm speaker up to 100 W. It incorporates PurePath Digital™ technology and can be used with a TI audio PWM processor and a simple passive demodulation filter to deliver high-quality, high-efficiency digital audio amplification. The device features self-protecting design elements including overcurrent, overtemperature, and undervoltage protection.
| Output Power (BTL) | 100 W RMS |
|---|---|
| Output Power (BTL) | 80 W RMS |
| Power Stage Efficiency | Greater than 90% |
| Package | 36-Pin PSOP3 |
| Digital Interface Voltage | 3.3 V |
| Undervoltage Protection Limit | 7.6 V to 8.2 V |
| Overtemperature Warning | 115 °C |
| Overtemperature Error | 150 °C |
The device can deliver 100-W RMS power (BTL) into a 4-ohm load.
The recommended operating condition for the digital supply (DVDD) is 3.3 V.