Texas Instruments TPA731 Data Sheet
Summary
The TPA731 is a specialized bridge-tied load (BTL) audio power amplifier engineered for low-voltage, space-constrained portable electronics with internal speakers. It delivers efficient, clean audio output while featuring ultra-low current shutdown mode and robust protection circuits. This technical manual provides comprehensive details on the device's electrical specifications, wide operational compatibility, various surface-mount packages (SOIC/MSOP), and application guidelines. It is essential reading for electrical engineers and developers building battery-powered communication or portable audio devices requiring high acoustic performance in minimal board space.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 27 |
| File Size | 871.29 KB |
| Published | July 12, 2026 |
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Frequently Asked Questions
What is the maximum continuous output power in SOIC package?
The maximum RMS output power is thermally limited to 350 mW.
How can I use this device for low-power applications?
It features a shutdown mode with a supply current of 1.5 nA, making it suitable for power-sensitive applications.
Is PowerPAD packaging better than SOIC?
Yes, the MSOP PowerPAD package reduces board space by 50% and height by 40% compared to SOIC.