The element14 ESSENTIALS of Audio Op-Amps cover the essentials of Audio amplifier ICs, with a focus on Class-D amplifiers, their characteristics, types, classifications, output filter design, and applications. To extend the knowledge covered in the main module, this supplementary guide discusses the types of related components or development boards available for prototyping new products or building projects.
Related Products
TPA3138D2PWP - 10W 3.5V–14.4V Inductor-Free Stereo Analog Input Class-D Audio Amplifier
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The TAS5805MEVM showcases the latest TI digital input Class-D closed loop amplifier. The TAS5805M is a digital input stereo Class-D audio amplifier with enhanced processing and low idle power dissipation. The TAS5805MEVM is a stand-alone EVM, which has a single power supply input, USB control via PurePath Control Console 3 (PPC3) and flexible audio input options. • 96-kHz Input Sample Rate Support • 2.0, Mono and 2.1 Capable • Operates in BTL or PBTL • Flexible input signal routing (USB, Coaxial SPDIF and External I2S) • Demonstration, Evaluation and Development environment via the PurePath Console 3 software (GUI)
Wide Supply Range 3.5-V to 14.4-V
Longer Battery Life for Portable Applications
Reduced Solution Size and Cost
Flexible Audio Solution
Integrated Protections and Auto Recovery
Pin-to-Pin Compatible with TPA3110D2, TPA3136D2 and TPA3136AD2
TAS5825M- 4.5V to 26V, 38-W Stereo, Digital Input, Class-D Audio Amp with 96-kHz/192-kHz flexible Processing
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The TAS5825M is a stereo high-performance closed-loop Class-D amplifier with an integrated audio processor.
Up to 192 kHz architecture
Flexible Audio I/O
High-efficiency Class-D Operation
Supports Multiple Output Configurations
Flexible Processing Features
Flexible Power Supply Configurations
Easy System Integration
TAS5805M-TAS5805M 23-W, Digital Input, Stereo, Closed-Loop Class-D Audio Amplifier with Extended Processing
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The TAS5805M is a high-efficiency, stereo, closed-loop Class-D amplifier offering a cost effective digital-input solution with low power dissipation and sound enrichment. The device’s integrated audio processor and 96 kHz architecture supports advanced audio process flow, including SRC, 15 BQs per channel, volume control, audio mixing, 3-band 4th order DRC, full-band AGL, THD managing and level meter.
Supports Multiple Output Configurations
Excellent Audio Performance
Low Quiescent Current with Hybrid Modulation
Flexible Power Supply Configurations
Flexible Audio I/O
Enhanced Audio Processing
Integrated Self-Protection
Easy System Integration
The TPA3220 is a pad-down Class-D amplifier that enables efficient operation at full-power, idle and standby. The device features closed-loop feedback with a bandwidth up to 100 kHz, which provides low distortion across the audio band.
Stereo (2 x BTL) and Mono (1 x PBTL) Operation
110-W Stereo Peak into 4 Ω in BTL
89-W Stereo Peak into 4 Ω in BTL
5-V Gate Drive or Built-in LDO for Optional Single-Supply Operation
Closed-Loop Feedback Design
Low-Power Operating Modes
Multiple Input Options to Simplify Pre-Amp Design
5-V Gate Drive or Built-in LDO for Optional Single-Supply Operation
Integrated Protection: Under-voltage, Cycle-by-cycle Current Limit, Short Circuit, Clipping Detection, Over-temperature Warning and Shutdown, and DC Speaker Protection
The TPA3255 is a high-performance class-D power amplifier that enables premium sound quality with class-D efficiency. It features an advanced integrated feedback design and proprietary high-speed gate driver error correction (PurePath
Ultra-HD).
Differential Analog Inputs
Advanced Integrated Feedback Design with High-speed Gate Driver Error Correction (PurePath Ultra-HD)
Multiple Configurations Possible
Click and Pop Free Startup and Stop
90% Efficient Class-D
Operation (4 Ω)
Wide 18-V to 53.5V Supply Voltage Operation
Self-Protection Design (Including Under-voltage, Over-temperature, Clipping, and Short Circuit Protection) With Error Reporting
The TPA3116D2DADTPA3116D2DAD is a 50W Stereo(BTL Class-D Audio Amp with SpeakerGuard for driving speakers up to 100W/2R in mono The high power TPA3116D2 does 2 x 50W/4R with a small heat-sink attached to its top side PowerPAD The TPA3116D2DADTPA3116D2DAD devices are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage under-voltage and DC protection
Supports Multiple Output Configurations
Wide Voltage Range: 4.5 V to 26 V
Efficient Class-D Operation
Multiple Switching Frequencies
Feedback Power-Stage Architecture With High PSRR Reduces PSU Requirements
Programmable Power Limit
Differential and Single-EndedInputs
–40°C to 85°C Ambient Temperature Range
Development Boards
TPA3136D2EVMTPA3136D2EVMTPA3136D2 Inductor Free 10W Stereo(BTL Class-D Audio Amplifier Evaluation Module
The TPA3136D2EVMTPA3136D2EVM allows for the evaluation of the TPA3136D2 device It is an efficient class D audio power amplifier for driving 2 bridged-tied stereo speakers at 10W per channel The evaluation module is populated with only 1 TPA3136D2 device It operates from a single power supply from 4.5V to 14.4V Supports Multiple Output Configurations Wide Voltage Range 4.5 V to 14.4 V Efficient Class-D Operation Programmable power limit 26-dB fixed gain
Supports Multiple Output Configurations
Wide Voltage Range: 4.5 V to 14.4 V
Efficient Class-D Operation
Programmable power limit
26-dB fixed gain
The TAS5733LEVMTAS5733LEVM allows evaluation of the TAS5733L device The evaluation module is populated with two TAS5733L devices one configured for two channel operation and one configured for mono operation The TAS5733L combine a PWM processor with an open loop Class-D audio power amplifier The TAS5733LEVMTAS5733LEVM operates from a single 8V to 16.5V power supply
10-W/8-Ω Stereo and 20-W/4-Ω Mono output with 12-V supply
I2S input, 8kHz-48kHz Fs, configurable I2C Address, ternary modulation, up to 10 BQ per channel, 3-Band AGL and a Full band AGL
Wide supply voltage capabilities, from 8V to 16.5V
TAS5733LEVMTAS5733LEVM is configured as a 2.1 solution using one TAS5733L for left/right and the second configured in PBTL for sub-woofer drive
PurePath Console Mother Board provides flexible input signal routing (USB, SPDIF, and analog) and USB connection for control and configuration via PurePath Console 3 GUI
The TAS5720MEVMTAS5720MEVM features the TAS5720M digital input mono Class-D amplifier optimized for high-transient power capability to utilize the dynamic power headroom of small loudspeakers
Mono BTL, closed loop Class-D audio amplifier
I2S input mono Class-D amplifier with 4.5V - 26.4V power supply
USB connection to PC provides streaming data
Supported with user's guide
The TPA3123D2 evaluation module consists of a single 25 W, Class-D, stereo audio power amplifier complete with a small number of external components mounted on a circuit board used to directly drive speakers with an external analog audio source as the input.
20 W/channel into a 4 Ω Load from a 24 V Supply
Operates from 10 V to 30 V
Efficient Class-D Operation Eliminates Need for Heat Sinks
Four Selectable, Fixed-Gain Settings
Internal Oscillator (No External Components Required)
Single-Ended Analog Inputs
Thermal and Short-Circuit Protection With Auto Recovery
Space-Saving Surface-Mount 24-Pin TSSOP Package
TAS5805MEVM - Digital Input Stereo Closed-Loop Class-D Audio Amplifier with Enhanced Processing and Low Idle Power Dissipation EVM
The TAS5805MEVM showcases the latest TI digital input Class-D closed loop amplifier. The TAS5805M is a digital input stereo Class-D audio amplifier with enhanced processing and low idle power dissipation. The TAS5805MEVM is a stand-alone EVM, which has a single power supply input, USB control via PurePath Control Console 3 (PPC3) and flexible audio input options.
96-kHz Input Sample Rate Support
2.0, Mono and 2.1 Capable
Operates in BTL or PBTL
Flexible input signal routing (USB, Coaxial SPDIF and External I2S)
Demonstration, Evaluation and Development environment via the PurePath Console 3 software (GUI)
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