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Product Detailed Parameters
- Description：IC AMP CLASS AB MONO 1W 10MSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Class AB
- Output Type：1-Channel (Mono) with Stereo Headphones
- Max Output Power x Channels @ Load：1W x 1 @ 8Ohm; 85mW x 2 @ 32Ohm
- Voltage - Supply：2.5V ~ 5.5V
- Features：Depop, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：10-HVSSOP
- Package / Case：10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width)
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TPA0253DGQRG4 is a Class AB mono audio power amplifier with integrated headphone drive capabilities. It delivers 1W of output power into an 8-ohm load and 85mW into two 32-ohm loads. The device operates on a supply voltage range of 2.5V to 5.5V. Key features include depop circuitry to minimize startup pop noise and a shutdown mode for power management. It utilizes a 10-pin HVSSOP surface-mount package.
Feature Summary
- Integrated headphone driver supporting stereo output alongside mono speaker operation
- Depop functionality to reduce audible switching transients during power cycles
- Shutdown pin enables low-power standby states for battery conservation
Applications
- Portable media players requiring single-supply audio amplification
- Mobile phones and smartphones with limited power budgets
- Personal digital assistants (PDAs) and handheld gaming devices
- MP3 players and digital voice recorders
Procurement Notes
Verify the component status as discontinued at major distributors like DigiKey before procurement planning. Confirm the specific suffix RG4 indicates lead-free and RoHS compliance. Ensure the 10-HVSSOP package dimensions match your PCB footprint requirements. Check for available alternative sources or equivalent replacement parts due to end-of-life status.
Selection Notes
Select this amplifier for applications requiring a single-channel mono output with simultaneous stereo headphone capability. It is suitable for systems operating between 2.5V and 5.5V where space is constrained by the small HVSSOP package. Consider its Class AB topology for moderate efficiency and sound quality needs in portable consumer electronics.
Part Context
This part belongs to Texas Instruments' TPA025x series of audio amplifiers. These components are designed for low-voltage, single-supply applications. The TPA0253 specifically targets mono speaker driving with additional headphone outputs, distinguishing it from pure mono or stereo-only variants in the family.
Replacement Considerations
Publicly confirmed substitute part numbers are not explicitly listed in the provided source material. Due to the discontinued status, engineers should consult Texas Instruments for current recommended replacements or evaluate generic Class AB mono amplifiers with similar voltage and power specifications.
