This document describes the features and characteristics of the STA540SAN 4 x 10-watt dual/quad power amplifier, including high output power capability, minimum external component count, standby function, and protection and diagnostic functions.
The STA540SAN is a high-quality audio power amplifier containing four single-ended Class-AB amplifiers in a Clipwatt15 package. It supports configurations for two or four channels, offering high output-power capability up to 26W per channel when bridged. The device features an internally fixed gain of 20 dB and requires no external bootstrap capacitors.
| Output power (4Q) | 10W at 17V, 1kHz, 10% THD |
|---|---|
| Output power (2Q) | 26W per channel at 14.4V |
| Supply voltage range | -8 to +22 V |
| Voltage gain | Fixed at 20 dB |
| Operating temperature range | -40 to +70 °C |
The device is assembled in a Clipwatt15 package.
No, it features rail-to-rail output voltage swing with no need for bootstrap capacitors.
The device includes a clip detector, short circuit detection (output to GND and VS), soft short at turn-on, and thermal shutdown proximity.