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Name: TPA2012D2RTJR
Brand: Texas Instruments
SKU: TPA2012D2RTJR
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 TPA2012D2RTJR

Part No.:: TPA2012D2RTJR

Manufacturer:: Texas Instruments

Package:: 20-QFN (4x4)

Datasheet:: TPA2012D2RTJR.pdf

Description:: IC AMP CLASS D STEREO 2.1W 20QFN

In Stock:: 22213

Quantity:: Add To Cart

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TPA2012D2RTJR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including TPA2012D2RTJR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for TPA2012D2RTJR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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TPA2012D2RTJR Typical application Circuitry

TPA2012D2RTJR

The TPA2012D2RTJR is a stereo Class-D audio amplifier integrated circuit (IC) developed by Texas Instruments. It is designed for applications that require high-quality audio output with efficient power usage, making it ideal for portable and space-constrained audio devices.

Key Features of TPA2012D2RTJR:

1. Class-D Amplifier: Offers high efficiency, reducing heat dissipation and extending battery life in portable devices.

2. Stereo Output: Capable of driving two speakers with its dual-channel configuration.

3. 2.1W per Channel: Provides a 4-ohm load with up to 2.1W of output power per channel.

4. Wide Supply Voltage Range: Operates from 2.5V to 5.5V, accommodating various power sources.

5. Low Quiescent Current: Minimizes power consumption in idle mode.

6. Thermal and Overcurrent Protection: Ensures reliability and safety in operation.

7. Small Package Size: Available in a compact QFN package, suitable for space-limited applications.

8. Minimal External Components: The circuit design is made simpler by the requirement for few external components to function.

Application Scenario: Portable Bluetooth Speaker

For a portable Bluetooth speaker system using the TPA2012D2RTJR:

Detailed Circuit Connection of TPA2012D2RTJR:

1. Power Supply Integration:

- Battery Connection: Connect a lithium-ion battery to the PVDD and AGND pins of the TPA2012D2RTJR.

- Decoupling Capacitors: Place capacitors (e.g., 10 µF) between PVDD and AGND for power stabilization.

2. Audio Input Stage:

- Bluetooth Module Connection: Link the audio output from a Bluetooth audio module to the RIN and LIN pins for right and left channels, respectively.

- Input Capacitors: Use capacitors (e.g., 1 µF) between the Bluetooth module and audio input pins to block DC offset.

3. Speaker Output:

- Speaker Connections: Attach two 4-ohm speakers to the ROUT+/ROUT- and LOUT+/LOUT- pins for stereo output.

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

4. Gain Setting:

- Gain Control: Connect resistors to the GAIN0 and GAIN1 pins to adjust the amplifier gain for each channel.

5. Shutdown Control:

- Power Management: Wire the SHUTDOWN pin to a control switch or GPIO for on/off functionality.

Design Considerations:

1. Power Source Management: Ensure the battery can adequately power the amplifier.

2. Audio Signal Quality: Select quality capacitors for audio signal integrity and minimize distortion.

3. EMI Management: Carefully design the output filters to reduce EMI, crucial for audio clarity.

4. Thermal Management: Provide adequate ventilation or heat sinking for thermal dissipation.

5. Gain Calibration: Accurately calculate resistor values for the desired gain settings.

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

7. Protection Implementation: Utilize the IC's built-in protection features to safeguard the circuit.

8. Compliance with Standards: Ensure the design meets safety and electromagnetic compatibility standards for audio devices.

Conclusion

Utilizing the TPA2012D2RTJR in a portable Bluetooth speaker underscores its efficiency and effectiveness as a compact stereo audio amplifier. Essential aspects of the design include effective power management, high-quality audio signal processing, EMI control, thermal management, precise gain adjustment, strategic PCB design, utilization of protective features, and adherence to industry standards. This approach ensures a high-performing, reliable, and user-friendly portable audio amplification solution.

TPA2012D2RTJR information

TPA2012D2RTJR Specifications

Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
Type:
Class D
OutputType:
2-Channel (Stereo)
MaxOutputPowerxChannels@Load:
2.1W x 2 @ 4Ohm
Voltage-Supply:
2.5V ~ 5.5V
Features:
Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
MountingType:
Surface Mount
OperatingTemperature:
-40°C ~ 85°C (TA)

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3. Are the TPA2012D2RTJR price and inventory displayed accurate?

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6. What is the process for return or replacement of TPA2012D2RTJR?

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 TPA2012D2RTJR we delivered, we will accept the replacement or return of the TPA2012D2RTJR 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 TPA2012D2RTJR.

(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