TPA3124D2 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments TPA3124D2 is a stereo Class-D audio power amplifier delivering 2 × 15 W output power, housed in a 24-pin TSSOP package with efficient switching for compact speaker drivers. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 25
- Lifecycle
- ACTIVE
- Datasheet
- TPA3124D2 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TPA3124D2?
- Delivers 2 × 15 W stereo Class-D output power with high efficiency, reducing heatsink requirements in compact audio designs
- 24-pin TSSOP package minimizes PCB footprint for integration into slim soundbars, portable speakers, and multimedia docks
- Fully differential analog input and adjustable gain simplify direct connection to audio DACs and DSPs without external op-amps
What is TPA3124D2 used for?
The TPA3124D2 is well-suited for powered computer speakers, soundbars, and multimedia docking stations where 2 × 15 W stereo output and high Class-D efficiency are required in a small form factor. Its compact TSSOP package and differential input path enable direct integration with audio DAC ICs and Bluetooth audio modules in consumer electronics. The device also targets industrial audio systems such as PA intercom drivers and public announcement amplifiers operating from 12 V to 24 V DC rails.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the TPA3124D2 datasheet?
TPA3124D2 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TPA3124D2?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output power can the TPA3124D2 deliver per channel, and at what supply voltage?
The TPA3124D2 delivers up to 15 W per channel in stereo Class-D operation. Maximum output power is achieved at supply voltages in the range of 12 V to 24 V into a 4 Ω or 8 Ω speaker load. At 12 V into 8 Ω, output power is typically around 10 W per channel, while higher supply voltages approach the full 15 W rated output, allowing designers to match power delivery to the application supply rail.
How does Class-D operation in TPA3124D2 benefit thermal management compared to Class-AB amplifiers?
Class-D amplifiers like the TPA3124D2 achieve efficiencies exceeding 85% at typical output levels, compared to roughly 50% to 65% for Class-AB designs. Lower power dissipation means far less heat is generated in the device, often eliminating the need for a heatsink in moderate-power configurations. This directly reduces enclosure size and thermal management cost in portable speakers and slim soundbar designs delivering 10 W to 15 W per channel.
What package does TPA3124D2 use, and what PCB layout precautions are needed for a Class-D design?
The TPA3124D2 comes in a 24-pin TSSOP package with a 0.65 mm pin pitch. For a Class-D PCB layout, the output filter inductors should be placed within 10 mm of the output pins to minimize loop area and reduce EMI. Bulk decoupling capacitors of at least 100 µF should be placed close to the PVCC supply pins, and the ground plane should be solid and uninterrupted under the IC to limit switching noise coupling.
When would TPA3124D2 be preferred over TPA3116D2 for a stereo audio design?
TPA3124D2 is preferred when the target output power is 15 W per channel and board space is limited, as its TSSOP-24 package is smaller than the TPA3116D2's PowerPAD package footprint. The TPA3116D2 supports higher output power up to 50 W per channel but requires a thermal pad and external filter inductors sized for higher currents. For compact 12 V to 24 V stereo speakers where 2 × 15 W is sufficient, TPA3124D2 offers a simpler, smaller solution.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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