Texas Instruments TPA721 Data Sheet/Manual
Summary
This low-voltage audio power amplifier is engineered for compact, portable electronic devices requiring high-quality audio output. Ideal for battery-powered applications where minimal space is critical, the TPA721 delivers robust performance (up to 700 mW peaks) using a bridge-tied load (BTL) configuration in small surface-mount packages. The comprehensive datasheet provides all necessary technical specifications, guidelines for thermal management, and protective features—making it essential for audio engineers designing reliable consumer electronics ranging from small speakers to wireless communication systems.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 26 |
| File Size | 820.11 KB |
| Published | July 10, 2026 |
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Frequently Asked Questions
What is the operating voltage range for the TPA721 amplifier?
It operates fully specified for both 3.3-V and 5-V applications, with a wide compatibility range of 2.5 V to 5.5 V.
How does the device manage power when turned off?
The device features a shutdown mode that draws a low supply current of 7µA for power-sensitive applications.
What is the effective output power at common operating voltages?
At V=5V, it delivers 700 mW (peak) or 250 mW (continuous). At V=3.3V, it delivers 250 mW continuous power into a BTL load.
Are there different physical packages available for this chip?
Yes, it is available in an 8-pin SOIC surface-mount package and a PowerPAD MSOP package to reduce board space.