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TPA3129D2DAP The Texas Instruments TPA3129D2DAP is a 15W stereo Class-D audio amplifier. It operates from a 4.5V to 26V supply voltage.
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TPA3129D2DAP

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPA3129D2DAP is a 15W stereo Class-D audio amplifier. It operates from a 4.5V to 26V supply voltage.
✓ Total Stock: 1,077 pcs

TPA3129D2DAP Available from 1 distributor

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TPA3129D2DAP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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TPA3129D2DAP Description

Short technical summary and product information.

The Texas Instruments TPA3129D2DAP is an analog input Class-D audio amplifier designed for home audio applications. It offers multiple output configurations, including 2x15W into an 8Ω load at 15V. The device operates over a wide voltage range of 4.5V to 26V and features very low idle current, typically less than 23mA.

 

With power efficiency greater than 90%, the TPA3129D2DAP minimizes heat dissipation, often eliminating the need for a heatsink. It incorporates adaptive modulation schemes and smart amplifier drivers. The switching frequency ranges from 300kHz to 1.2MHz, with AM avoidance and master/slave synchronization capabilities. Integrated self-protection circuits include overvoltage, undervoltage, overtemperature, DC-detect, and short circuit protection with error reporting.

 

The TPA3129D2DAP is available in a 32-pin HTSSOP (DAP) thermally enhanced package, measuring 11mm x 8.1mm with an area of 89.1 mm². It supports parallel BTL mode and mono-channel mode, as well as single and dual power supply modes.

TPA3129D2DAP Quick Information

Product Type: Audio Amplifier
Series: TPA3129D2
Canonical Name: Texas Instruments TPA3129D2DAP Class-D Audio Amplifier
Subcategory: Special Purpose

TPA3129D2DAP Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

TPA3129D2DAP Features

  • 15W stereo or 30W mono output.
  • Wide 4.5V to 26V supply voltage range.
  • High power efficiency greater than 90%.
  • Very low idle current under 23mA.
  • Integrated overvoltage and overtemperature protection.

TPA3129D2DAP Applications

  • Suitable for home audio systems.
  • Ideal for speaker and soundbar applications.
  • Used in PC and notebook audio.
  • Applicable for mobile phone audio.

TPA3129D2DAP FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output power of the TPA3129D2DAP?

15W per channel in stereo mode and 30W in mono mode into a 3.2Ω load.

What is the supply voltage range for the TPA3129D2DAP?

The power stage and analog supply voltage range is 4.5V to 26V.

What is the operating temperature range of the TPA3129D2DAP?

-40°C to 85°C.

What package does the TPA3129D2DAP come in?

HTSSOP (DAP) package measuring 11 mm × 8.1 mm (89.1 mm²).

What is the typical THD+N of the TPA3129D2DAP?

0.1% at 1 kHz.

What is the switching frequency range of the TPA3129D2DAP?

300 kHz to 1.2 MHz.

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