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Product Detailed Parameters
- Description：IC AMP CLASS D MONO 10W 28HTSSOP
- Series：SpeakerGuard™
- Mfr：Texas Instruments
- Package：Tube
- Type：Class D
- Output Type：1-Channel (Mono)
- Max Output Power x Channels @ Load：10W x 1 @ 8Ohm
- Voltage - Supply：8V ~ 26V
- Features：Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：28-HTSSOP
- Package / Case：28-PowerTSSOP (0.173", 4.40mm Width)
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TPA3111D1PWP is a mono Class-D audio power amplifier manufactured by Texas Instruments. It delivers 10 W of output power into an 8-ohm load with a supply voltage range of 8 V to 26 V. The device features a total harmonic distortion plus noise (THD+N) of 0.05% at 1 kHz and includes integrated SpeakerGuard protection. It operates within a temperature range of -40°C to +85°C and utilizes a 28-pin HTSSOP package.
Feature Summary
- Filter-free architecture eliminates the need for external output filters
- Integrated SpeakerGuard technology provides comprehensive speaker protection
- Supports analog input signals via differential or single-ended configurations
Applications
- Portable multimedia speakers
- Home theater systems
- Active loudspeakers
Procurement Notes
Verify the specific suffix 'PWP' corresponds to the tube packaging format rather than tape-and-reel variants like 'PWPR'. Confirm the component status is active for new designs, as some related family members may carry obsolete designations. Ensure the 28-pin HTSSOP footprint matches the target PCB layout requirements.
Selection Notes
Select this model when a single-channel high-efficiency amplifier is required without external filtering components. It is suitable for applications demanding low distortion and robust speaker protection within a compact surface-mount package. Consider thermal management capabilities relative to the expected continuous power output in the final enclosure.
Part Context
This component belongs to the TPA3111 series of filter-free mono Class-D amplifiers. It shares architectural similarities with higher-power variants such as the TPA3112D1 but is optimized for 10 W output applications. The device integrates hardware control interfaces and shutdown functionality for system power management.
Replacement Considerations
The TPA3111D1PWPR serves as a direct functional substitute differing only in packaging format. Other TPA3111D1 variants share identical electrical characteristics but may differ in pinout or thermal performance.
