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TPA3156D2DADR

Name: TPA3156D2DADR
Rating: 4.7 (12 reviews)

IC AMP CLASS D STER 70W 32HTSSOP

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包 HTSSOP-32
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Type	Class D
OutputType	2-Channel (Stereo)
MaxOutputPowerxChannels@Load	70W x 2 @ 4Ohm
Voltage-Supply	4.5V ~ 26V
Features	Differential Inputs, Mute, Short-Circuit and Thermal Protection, Shutdown
MountingType	Surface Mount
OperatingTemperature	-40°C ~ 85°C (TA)
SupplierDevicePackage	32-HTSSOP

概述

Description

The TPA3156D2DADR is a high-performance Class-D audio amplifier from Texas Instruments, designed for driving speakers in various applications, including home audio, televisions, and portable devices. This integrated circuit features a dual-channel output, delivering up to 50W per channel into a 4-ohm load, with high efficiency (up to 92%) to minimize heat generation and power consumption.
Key features include low total harmonic distortion (THD), a wide supply voltage range (typically 10V to 28V), and advanced protection mechanisms such as thermal shutdown and overcurrent protection. The TPA3156D2DADR also supports differential input, which helps to reduce noise and improve sound quality.
With its compact design and integrated functionalities, it allows for simpler circuit layouts and reduced component count, making it suitable for modern audio systems. Overall, the TPA3156D2DADR is an excellent choice for designers seeking a reliable, high-quality audio amplification solution.

Features

The TPA3156D2DADR is a high-efficiency Class D audio amplifier designed for driving speakers in various applications. Key features include:
1. Power Output: Delivers up to 50 W per channel at 4 Ω load with low total harmonic distortion (THD).
2. High Efficiency: Typically over 90%, reducing heat generation and eliminating the need for large heatsinks.
3. Integrated Protection: Includes features such as short-circuit protection, thermal shutdown, and over-voltage protection to ensure reliable operation.
4. Flexible Power Supply: Operates with a wide voltage range (up to 36 V), allowing versatility in different designs.
5. I²C Interface: Supports digital control for advanced features like volume control, mute, and diagnostics.
6. Compact Package: Available in a 32-pin HTQFP package, enabling space-efficient designs.
7. Low Quiescent Current: Minimizes power consumption in idle states.
These features make the TPA3156D2DADR ideal for applications in televisions, soundbars, and portable audio systems.

Package

The TPA3156D2DADR is packaged in a HTQFP (Heat Sink Thin Quad Flat Pack) format, specifically a 48-pin HTQFP. This package type facilitates efficient heat dissipation and compact design for audio amplifier applications.

Pinout

The TPA3156D2DADR is a Class D audio amplifier from Texas Instruments. It features a pin count of 32.
The primary functions of the pins include:
1. Power Supply Pins (VDD, GND): Provide power to the amplifier.
2. Input Pins (IN+, IN-): Accept differential audio input signals.
3. Output Pins (OUTA, OUTB): Deliver amplified audio to the speakers.
4. Control Pins (SHUTDOWN, MUTE): Allow for power management and audio control.
5. Feedback Pins (FB): Used for internal feedback and stability.
6. Protection Pins (FAULT): Indicate fault conditions for overcurrent and thermal shutdown.
The TPA3156D2DADR is designed for high-efficiency audio applications, offering features like a built-in mixer and multiple operating modes.

Manufacturer

The TPA3156D2DADR is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of electronics, including integrated circuits (ICs), microcontrollers, and analog devices. They serve various markets such as automotive, industrial, communications, and consumer electronics. TI is known for its innovations in signal processing and power management solutions, making it a leading provider in the semiconductor industry.

Application

The TPA3156D2DADR is a class-D audio amplifier primarily used in applications such as home audio systems, automotive audio systems, portable speakers, and soundbars. Its efficiency and compact design make it suitable for high-performance audio in consumer electronics, including televisions and multimedia devices. Additionally, it can be used in professional audio equipment and industrial sound applications.

Equivalent

The TPA3156D2DADR is a Class D audio amplifier from Texas Instruments. Equivalent products include:
1. TPA3116D2 - Similar specifications with a slightly different power output.
2. TPA3251 - Higher power output with improved efficiency.
3. LM3886 - A Class AB amplifier, offering lower efficiency but potentially better sound quality.
Always check specific datasheets for detailed specifications and compatibility before selecting a substitute.