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Product Detailed Parameters
- Description：IC AMP CLASS D STER 21.8W 48VQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：21.8W x 2 @ 8Ohm
- Voltage - Supply：10V ~ 26V
- Features：Differential Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：48-VQFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TPA3100D2RGZR is a stereo Class-D audio power amplifier from Texas Instruments, designed for automotive applications. It delivers 20 watts of output power per channel into an 8-ohm load. The device operates within a supply voltage range of 10 V to 26 V and features a fixed gain of 36 dB. It utilizes a 48-pin Very Thin Quad Flat No-Lead (VQFN) package with dimensions of 7 mm by 7 mm. The component supports analog inputs and functions across a temperature range of -40°C to +85°C.
Feature Summary
- Stereo Class-D architecture providing high-efficiency audio amplification
- Integrated protection mechanisms including thermal shutdown and short-circuit protection
- Supports differential input signals for improved noise immunity
Applications
- Automotive infotainment systems
- Car door speaker modules
- Center console audio amplifiers
Procurement Notes
Verify the specific suffix RGZR corresponds to the 48-VQFN package variant when sourcing. Confirm that the automotive catalog designation aligns with project requirements. Ensure compatibility with the intended supply voltage range of 10 V to 26 V. Check for RoHS compliance status in current distributor listings. Validate package dimensions against PCB footprint specifications.
Selection Notes
Select this component for designs requiring a compact stereo amplifier solution with integrated protections. The fixed 36 dB gain simplifies circuit design by reducing external resistor requirements. Consider the 48-VQFN package for space-constrained automotive layouts. Verify thermal management capabilities given the 20 W output capability in a small form factor.
Part Context
This part belongs to the TPA3100D2 family of stereo Class-D audio amplifiers. The family includes variants with different packaging options such as HTQFP and standard VQFN configurations. These devices are engineered for high efficiency and low total harmonic distortion plus noise performance in automotive environments.
Replacement Considerations
The TPA3100D2PHPR serves as a pin-compatible alternative utilizing a 48-HTQFP package instead of the VQFN format. Designers requiring a through-hole or larger surface-mount footprint may consider this substitution while maintaining identical electrical characteristics.
