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Product Detailed Parameters
- Description：IC AMP CLASS D STEREO 2.1W 20QFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：2.1W x 2 @ 4Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：20-QFN (4x4)
- Package / Case：20-WFQFN Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TPA2012D2RTJTG4 is a stereo Class-D audio power amplifier manufactured by Texas Instruments. It delivers 2.1 W per channel into an 8-Ω load with a supply voltage range of 2.5 V to 5.5 V. The device operates in a 20-pin WQFN package (4x4 mm) with an exposed pad for thermal management. It features differential inputs and requires no external output filters, simplifying the design. The amplifier includes integrated short-circuit and thermal shutdown protection to ensure robust operation under fault conditions.
Feature Summary
- Stereo Class-D architecture delivering high efficiency without external output filters
- Differential input configuration for improved noise immunity
- Integrated short-circuit and thermal shutdown protection mechanisms
Applications
- Portable multimedia devices requiring compact audio solutions
- Consumer electronics with limited board space constraints
- Battery-powered audio systems needing high efficiency
Procurement Notes
Verify the exact part number suffix RTJTG4 against official Texas Instruments documentation to confirm the specific tape-and-reel packaging and lead-free status. Ensure compatibility with your PCB footprint for the 20-WQFN package. Cross-reference the datasheet revision date to confirm technical specifications match your design requirements before finalizing procurement.
Selection Notes
Select this component when a stereo Class-D amplifier with differential inputs and filter-less operation is required. It is suitable for applications operating between 2.5 V and 5.5 V where space efficiency and thermal protection are critical. Consider the 20-pin WQFN package dimensions for layout planning.
Part Context
This part belongs to the TPA2012 family of stereo Class-D audio amplifiers from Texas Instruments. The family is designed for portable audio applications, offering high power efficiency and minimal external components. The TPA2012D2 variant specifically provides stereo output capability within a compact form factor.
Replacement Considerations
The TPA2012D2RTJT is a related variant within the same series. Verify if the G4 suffix indicates specific environmental or packaging differences compared to standard versions. Consult the manufacturer's substitution guide for confirmed equivalents.
