E-TDA2003V

Audio Amplifiers Overview

The TDA2003V is a monolithic audio power amplifier in Pentawatt package, designed for car radio applications. It delivers up to 10W output power into a 4Ω load at 10% THD with an operating supply voltage range of 8V to 18V. The device features high output current capability of 3.5A and low harmonic distortion. It includes comprehensive protection systems against short circuits, thermal overload, load dump surges up to 40V, and open ground conditions.

Audio Amplifiers Feature Summary

• High output current capability up to 3.5A for driving low impedance loads
• Integrated protection against DC/AC short circuits, thermal over-range, and load dump voltage surges
• Low harmonic and crossover distortion for clear audio reproduction
• Minimal external component count simplifying assembly and reducing space requirements

Audio Amplifiers Applications

• Car radio audio amplification
• Automotive sound systems
• General purpose audio power amplification

Audio Amplifiers Procurement Notes

Verify the specific ordering suffix 'V' corresponds to the Pentawatt package as documented in the official STMicroelectronics datasheet. Confirm that the application circuit design adheres to the recommended component values for stability and performance. Ensure thermal management solutions comply with the specified junction temperature limits and power dissipation ratings under expected operating conditions.

Audio Amplifiers Selection Notes

Select this component for applications requiring a single-channel bridge-tied load (BTL) or stereo configuration with minimal external parts. It is suitable for designs needing robust protection against automotive electrical transients and low impedance speaker loads. Consider the Pentawatt package for its thermal performance and ease of mounting without electrical insulation requirements.

Audio Amplifiers Part Context

The TDA2003 is part of STMicroelectronics' legacy line of class AB audio power amplifiers specifically engineered for the automotive industry. It shares pin compatibility with the TDA2002 while offering improved performance characteristics. The device represents a cost-effective solution for high-current audio applications where reliability and simplicity are prioritized.

Audio Amplifiers Replacement Considerations

The TDA2003H is the alternative package variant within the same family, sharing identical electrical specifications and pinout but housed in a different mechanical enclosure. Direct substitution requires verifying physical fitment constraints within the target chassis.

Audio Amplifiers FAQ

What is the maximum operating supply voltage for the TDA2003?

The maximum operating supply voltage is 18V. However, the device can withstand transient voltages up to 40V due to built-in protection circuits.

Does the TDA2003 require electrical insulation between the package and heat sink?

No, electrical insulation is not required between the Pentawatt package and the heat sink, which simplifies the thermal management design.

How does the TDA2003 handle accidental polarity inversion?

The device can handle high current (up to 5A) during polarity inversion without damage for a period longer than the blow-out time of a standard quick-blow fuse.