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Product Detailed Parameters
- Description：IC AMP CLASS D STER 21.8W 48VQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- 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 TPA3100D2RGZTG4 is a stereo Class-D audio amplifier manufactured by Texas Instruments. It delivers 21.8 W of continuous output power per channel into an 8-ohm load with a supply voltage range of 10 V to 26 V. The device features a fixed gain of 36 dB and maintains a total harmonic distortion plus noise (THD+N) of 0.11%. It operates within a temperature range of -40°C to +85°C and utilizes a 48-pin VQFN package.
Feature Summary
- Stereo Class-D architecture providing high-efficiency audio amplification
- Integrated protection mechanisms including thermal shutdown and short-circuit protection
- Supports differential analog input signals for improved noise immunity
Applications
- Portable media players and smartphones
- Tablets and handheld gaming devices
- Personal navigation systems
- Digital picture frames
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free compliance and RoHS standards during procurement. Confirm the package type matches the design requirements, as variations exist within the family. Ensure the ordering part number aligns exactly with the required tape-and-reel or cut-tape packaging format specified in the official datasheet.
Selection Notes
Select this component when a compact stereo solution is required for battery-powered applications. The 48-VQFN package suits space-constrained designs. Verify that the system power supply can maintain the 10 V to 26 V operating range. Consider the fixed 36 dB gain relative to the source signal levels to ensure proper headroom without external attenuation.
Part Context
This part belongs to the TPA3100D2 series of stereo Class-D audio amplifiers. It shares core electrical specifications with variants such as the TPA3100D2RGZT and TPA3100D2RGZR. The primary distinction lies in the package configuration and manufacturing revisions indicated by the suffixes. It serves as a direct replacement for earlier versions within the same functional family.
Replacement Considerations
The TPA3100D2RGZT is a verified substitute offering identical electrical performance in the same VQFN-48 package. The TPA3100D2RGZR provides the same functionality but may differ in reel quantity. Verify pin compatibility before substitution.
