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Name: TPA3128D2DAPR
Brand: Texas Instruments
SKU: TPA3128D2DAPR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments TPA3128D2DAPR

Part No.:: TPA3128D2DAPR

Manufacturer:: Texas Instruments

Package:: 32-HTSSOP

Datasheet:: TPA3128D2DAPR.pdf

Description:: IC AMP CLASS D STER 30W 32HTSSOP

In Stock:: 3614

Quantity:: Add To Cart

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TPA3128D2DAPR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Class D
OutputType:
2-Channel (Stereo)
MaxOutputPowerxChannels@Load:
30W x 2 @ 8Ohm
Voltage-Supply:
4.5V ~ 26V
Features:
Short Circuit Protection
MountingType:
Surface Mount
OperatingTemperature:
-40°C ~ 85°C (TA)

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TPA3128D2DAPR information

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TPA3128D2DAPR Typical application Circuitry

TPA3128D2DAPR

The TPA3128D2DAPR is a Class-D audio amplifier integrated circuit (IC) developed by Texas Instruments. TPA3128D2DAPR It is designed to efficiently provide high-quality stereo amplification, making it ideal for applications that demand compact size, high power, and energy efficiency. Common uses include home audio systems, soundbars, wireless speakers, and automotive audio systems.

Key Features of TPA3128D2DAPR:

1. Class-D Operation: Known for its high efficiency, crucial in reducing power consumption and heat generation.

2. Stereo Output: Provides two channels, suitable for stereo audio amplification.

3. Output Power: Capable of delivering up to 30W per channel into an 8-ohm load.

4. Wide Supply Voltage Range: Operates with supply voltages from 4.5V to 26V.

5. Low THD+N: Ensures low total harmonic distortion plus noise for high-quality audio output.

6. Multiple Switching Frequencies: Supports a range of switching frequencies for flexible design options.

7. Advanced Modulation Scheme: Utilizes advanced modulation techniques for improved audio performance.

8. Built-in Protection Features: Includes thermal, overcurrent, and overvoltage protection for enhanced device safety.

Application Scenario: Home Theater Sound System

In designing a home theater sound system using the TPA3128D2DAPR:

Detailed Circuit Connection:

1. Power Supply Integration:

- DC Source: Connect a DC power source (e.g., 18V DC adapter) to the PVCC pin.

- Decoupling Capacitors: Place capacitors (e.g., 220 µF) between PVCC and GND for stable power delivery.

2. Audio Input Stage:

- Input Connections: Link left and right audio inputs from a media player or AV receiver to the L-IN and R-IN pins.

- Input Filtering: Use capacitors (e.g., 1 µF) to filter the audio signals at the inputs.

3. Speaker Output Configuration:

- Speakers Connection: Attach two 8-ohm speakers to the L-OUT+/L-OUT- and R-OUT+/R-OUT- pins for stereo output.

- Output Filters: Implement LC filters on the outputs to minimize electromagnetic interference (EMI).

4. Gain Setting:

- Gain Control: Adjust the amplifier gain by connecting resistors to the GAIN0 and GAIN1 pins as per the desired levels.

5. Mute and Standby Controls:

- Operational Modes: Wire the MUTE and STANDBY pins to control switches or GPIOs for mute and power management.

Design Considerations of TPA3128D2DAPR:

1. Power Source Capacity: Ensure the power supply can handle the IC's maximum power requirements.

2. Audio Signal Integrity: Select high-quality components for input stages to maintain signal fidelity and minimize distortion.

3. EMI Management: Design output filters carefully to reduce electromagnetic interference, preserving audio quality.

4. Thermal Management: Provide adequate cooling or heat sinking, especially at higher output power levels.

5. Precise Gain Adjustment: Accurately calculate resistor values for the required gain levels.

6. PCB Layout Optimization: Minimize trace lengths and optimize the layout for reduced noise and enhanced signal integrity.

7. Use of Protection Features: Leverage the IC's built-in thermal and overcurrent protection mechanisms for safety.

8. Compliance with Audio Standards: Ensure the design meets relevant safety and electromagnetic compatibility standards for home audio systems.

The TPA3128D2DAPR is highly suitable for a home theater sound system, offering efficient stereo amplification. Key aspects of the design include ensuring adequate power supply, high-quality audio signal processing, EMI control, thermal management, accurate gain control, strategic PCB layout, utilization of built-in safety features, and adherence to industry standards. This approach ensures a robust, high-quality, and reliable audio amplification solution for home entertainment purposes.

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3. Are the TPA3128D2DAPR price and inventory displayed accurate?

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6. What is the process for return or replacement of TPA3128D2DAPR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the TPA3128D2DAPR we delivered, we will accept the replacement or return of the TPA3128D2DAPR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of TPA3128D2DAPR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations