TPA3132D2

ACTIVO

Amp. audio analógico clase D sin filtro, salida estéreo 25 W, mono 50 W y alimentación 4.5 a 26 V

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Hoja de datos

document-pdfAcrobat TPA313xD2 4-W, 25-W Filter-Free Class-D Stereo Amplifier With AM Avoidance datasheet (Rev. B) (Inglés) PDF | HTML

TPA3132D2

ACTIVO

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Detalles del producto

Audio input type

Analog Input

Architecture

Class-D

Speaker channels (max)

Stereo

Control interface

Hardware

Output power (W)

25

Power stage supply (max) (V)

26

Power stage supply (min) (V)

4.5

RDS(on) (Ω)

0.12

THD + N at 1 kHz (%)

0.1

Load (min) (Ω)

2

Analog supply voltage (min) (V)

4.5

Analog supply voltage (max) (V)

26

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Audio input type

Analog Input

Architecture

Class-D

Speaker channels (max)

Stereo

Control interface

Hardware

Output power (W)

25

Power stage supply (max) (V)

26

Power stage supply (min) (V)

4.5

RDS(on) (Ω)

0.12

THD + N at 1 kHz (%)

0.1

Load (min) (Ω)

2

Analog supply voltage (min) (V)

4.5

Analog supply voltage (max) (V)

26

Rating

Catalog

Operating temperature range (°C)

-40 to 85

VQFN (RHB)

32

25 mm² (5 mm × 5 mm)

Supports Multiple Output Configurations
- 2 × 4 W into a 8-Ω BTL Load at 7.4 V (TPA3131D2)
- 2 × 25 W into a 8-Ω BTL Load at 19 V (TPA3132D2)
Wide Voltage Range: 4.5 V to 26 V
Automotive Load-Dump Compliant
Efficient Class-D Operation
- >90% Power Efficiency Combined With Low Idle Loss
  for Heat Sink free Operation
- Advanced Modulation Schemes
Multiple Switching Frequencies
- AM Avoidance
- Master and Slave Synchronization
- Up to 1.2-MHz Switching Frequency
Feedback Power Stage Architecture With High PSRR Reduces
PSU Requirements
Programmable Power Limit
Differential and Single-Ended Inputs
Stereo and Mono Mode With Single-Filter Mono Configuration
Single Power Supply Reduces Component Count
Integrated Self-Protection Circuits Including Overvoltage, Undervoltage,
Overtemperature, DC-Detect, and Short Circuit With Error Reporting
Thermally Enhanced Package
- 32-Pin VQFN Pad-Down
–40°C to 85°C Ambient Temperature Range

Supports Multiple Output Configurations
- 2 × 4 W into a 8-Ω BTL Load at 7.4 V (TPA3131D2)
- 2 × 25 W into a 8-Ω BTL Load at 19 V (TPA3132D2)
Wide Voltage Range: 4.5 V to 26 V
Automotive Load-Dump Compliant
Efficient Class-D Operation
- >90% Power Efficiency Combined With Low Idle Loss
  for Heat Sink free Operation
- Advanced Modulation Schemes
Multiple Switching Frequencies
- AM Avoidance
- Master and Slave Synchronization
- Up to 1.2-MHz Switching Frequency
Feedback Power Stage Architecture With High PSRR Reduces
PSU Requirements
Programmable Power Limit
Differential and Single-Ended Inputs
Stereo and Mono Mode With Single-Filter Mono Configuration
Single Power Supply Reduces Component Count
Integrated Self-Protection Circuits Including Overvoltage, Undervoltage,
Overtemperature, DC-Detect, and Short Circuit With Error Reporting
Thermally Enhanced Package
- 32-Pin VQFN Pad-Down
–40°C to 85°C Ambient Temperature Range

The TPA313xD2 are efficient, stereo digital amplifier power stages for driving speakers with up to 2×42W/4Ω peak power. TPA3131/32D2 operates heatsink-free with cooling to PCB through the bottom side PowerPAD with sustained output power from 2 × 4 W / 8 Ω (TPA3131D2) to 2 × 25 W / 8 Ω (TPA3132D2).

The TPA313xD2 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences; this is achieved together with an option of Master and Slave synchronization, making it possible to synchronize multiple devices.

The TPA313xD2 are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection. Faults are reported back to the processor to prevent devices from being damaged during overload conditions.

For feature compatible devices see: PowerPAD up device 2 × 50-W TPA3116D2, PowerPAD down 2 × 15-W TPA3130D2 and 2 × 30-W TPA3118D2.

The TPA313xD2 are efficient, stereo digital amplifier power stages for driving speakers with up to 2×42W/4Ω peak power. TPA3131/32D2 operates heatsink-free with cooling to PCB through the bottom side PowerPAD with sustained output power from 2 × 4 W / 8 Ω (TPA3131D2) to 2 × 25 W / 8 Ω (TPA3132D2).

The TPA313xD2 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences; this is achieved together with an option of Master and Slave synchronization, making it possible to synchronize multiple devices.

The TPA313xD2 are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection. Faults are reported back to the processor to prevent devices from being damaged during overload conditions.

For feature compatible devices see: PowerPAD up device 2 × 50-W TPA3116D2, PowerPAD down 2 × 15-W TPA3130D2 and 2 × 30-W TPA3118D2.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato
*	Hoja de datos	TPA313xD2 4-W, 25-W Filter-Free Class-D Stereo Amplifier With AM Avoidance datasheet (Rev. B)	PDF \| HTML	16/01/2015
	Artículo técnico	Advancements in audio technology help humanoids hear and speak in the real world	PDF \| HTML	17/07/2026
	Nota sobre la aplicación	Guidelines for Measuring Audio Power Amplifier Performance (Rev. A)		26/08/2019
	Nota sobre la aplicación	AN-1849 An Audio Amplifier Power Supply Design (Rev. C)		27/06/2019
	Nota sobre la aplicación	AN-1737 Managing EMI in Class D Audio Applications (Rev. A)		1/05/2013

Diseño y desarrollo

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Placa de evaluación

TPA3132D2EVM — TPA3132D2EVM para amplificador de altavoz de Clase D y 25 W

The TPA3132D2EVM is a stereo analog input, Class-D speaker amplifier IC for driving speakers with output power of 2x25W into 8Ω. TPA3132D2 operates heat sink-free with cooling to the PCB through the PowerPAD™ package. The TPA3132 has an advanced oscillator/PLL circuit which employs a (...)

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