Texas Instruments TPA6043A4 Data Sheet
Summary
The TPA6043A4 is a compact, high-performance stereo audio power amplifier engineered for portable devices such as notebook computers and DVD players. This highly integrated chip provides robust amplification capabilities, delivering 2W output into 4Ω speakers while featuring advanced DirectPath™ technology for exceptional headphone drive from just a 5V supply. The manual details features crucial for reliable mobile audio, including independent shutdown controls, internal gain staging (for both speakers and headphones), superior noise rejection via LDO regulator, and comprehensive protection circuits, making it an ideal solution for miniaturized, high-quality stereo systems.
Manual Details
| Brand | Texas Instruments |
|---|---|
| Pages | 30 |
| File Size | 1.09 MB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What is the maximum output power available for 4-ohm speakers?
The amplifier can drive up to 2 W per channel into 4-Ω speakers.
How does the TPA6043A4 manage speaker gain adjustment?
It includes an internal 4-step gain control, offering increments of 6 dB, 10 dB, 15.6 dB, and 21.6 dB.
What protection features are built into this audio amplifier?
The device has integrated Output Short-Circuit and Thermal Protection rejection.
How should I store the TPA6043A4 to prevent damage from handling?
To prevent electrostatic damage, the leads must be shorted together or the device placed in conductive foam during storage.