TPA3118 PBTL Mono Digital Amplifier is a compact, high-performance Class-D audio amplifier module designed for applications requiring high power output, low distortion, and excellent energy efficiency. Based on the reliable Texas Instruments TPA3118 amplifier IC, this mono amplifier operates in PBTL (Parallel Bridge-Tied Load) mode, delivering powerful and clean audio output suitable for both professional and DIY audio systems.
Engineered for modern audio applications, the TPA3118 PBTL amplifier provides impressive sound quality with minimal heat generation, making it ideal for space-constrained designs. Whether used in active speaker systems, subwoofers, home audio upgrades, or portable sound solutions, this amplifier ensures stable and consistent performance across a wide operating range.
Key Features of TPA3118 PBTL Mono Digital Amplifier
-
High Power Output in PBTL Mode
Delivers increased output power by combining both channels into a single mono output, making it suitable for high-power speakers and subwoofers. -
Class-D Efficiency
Achieves efficiency levels of up to 90%, significantly reducing heat dissipation and power loss. -
Low Distortion & Noise
Provides excellent audio clarity with low Total Harmonic Distortion (THD) and high signal-to-noise ratio. -
Wide Input Voltage Range
Operates reliably over a broad DC input range, making it compatible with multiple power supply configurations. -
Built-in Protection Features
Includes over-current, over-temperature, under-voltage, and short-circuit protection for safe operation. -
Compact & Lightweight Design
Small PCB footprint allows easy integration into compact enclosures and embedded audio systems. -
Minimal External Components Required
Simplifies system design while maintaining stable and high-quality audio output.
Technical Specifications – TPA3118 PBTL Mono Digital Amplifier
-
Amplifier IC: Texas Instruments TPA3118
-
Amplifier Type: Class-D Digital Audio Amplifier
-
Configuration: PBTL (Mono)
-
Output Power:
-
Up to 60 W @ 4 Ω (with adequate power supply and cooling)
-
-
Input Voltage Range: 8 V to 26 V DC
-
Speaker Impedance: 4 Ω to 8 Ω
-
Efficiency: Up to 90%
-
THD+N: < 0.1% (typical at rated output)
-
Signal-to-Noise Ratio: > 100 dB
-
Frequency Response: 20 Hz – 20 kHz
-
Input Type: Analog audio input
-
Cooling Requirement: Passive or optional heat sink depending on load
-
Board Type: Pre-assembled amplifier module
Note: Output power depends on supply voltage, speaker impedance, and thermal conditions.
Applications of TPA3118 PBTL Mono Digital Amplifier
The TPA3118 PBTL mono amplifier module is suitable for a wide range of audio amplification needs, making it a versatile choice for various projects and commercial products:
-
Active Speaker Systems
Perfect for powering high-power single speakers in professional or consumer audio setups. -
Subwoofer Amplifiers
High output power in mono mode makes it ideal for compact subwoofer and bass enhancement systems. -
Home Audio & DIY Audio Projects
Popular among audio enthusiasts for building custom amplifiers, soundbars, and speaker upgrades. -
Portable & Battery-Powered Audio Devices
High efficiency enables longer battery life in portable speakers and mobile audio systems. -
PA Systems & Public Address Units
Suitable for small to medium PA systems requiring reliable mono amplification. -
Embedded Audio Applications
Used in kiosks, smart devices, and industrial audio systems where compact size and efficiency are critical.
Why Choose the TPA3118 PBTL Mono Digital Amplifier?
The TPA3118 PBTL Mono Digital Amplifier stands out for its excellent balance of power, efficiency, sound quality, and reliability. Its Class-D architecture ensures minimal heat and power consumption, while PBTL mode delivers strong mono output for demanding audio applications. With built-in protections and a compact design, this amplifier module is a dependable choice for both commercial products and DIY audio builds.
Upgrade your audio system with the TPA3118 PBTL Mono Digital Amplifier and experience powerful, clear, and efficient sound performance in a compact form factor.
Package Includes:
1 x TPA3118 PBTL Mono Digital Amplifier
FAQ
1. Where can we buy this TPA3118 PBTL Mono Digital Amplifier?
This product is available online https://aiiottech.in/product/tpa3118-pbtl-mon…igital-amplifier/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this TPA3118 PBTL Mono Digital Amplifier after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
Video Link: Testing the TPA3118 Mono Class-D Amplifier




Reviews
Clear filtersThere are no reviews yet.