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TDA2003A/UTC2003 Audio Amplifier IC (TO-220)

SKU: 30SKC1YWLO
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4.7 (86 reviews)
The TDA2003A / UTC2003 is a high-performance Class-AB audio power amplifier IC designed for low-frequency audio amplification in consumer electronics and automotive applications. Capable of delivering up to 10W of continuous output power with a single supply and up to 20W in bridge configuration, it provides high-quality sound with low harmonic distortion and excellent efficiency. The IC features built-in protection...
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The TDA2003A / UTC2003 is a high-performance Class-AB audio power amplifier IC designed for low-frequency audio amplification in consumer electronics and automotive applications. Capable of delivering up to 10W of continuous output power with a single supply and up to 20W in bridge configuration, it provides high-quality sound with low harmonic distortion and excellent efficiency.

The IC features built-in protection against short circuits, thermal overload, load dump voltage surges, polarity reversal, and open-ground conditions, making it highly reliable for demanding environments such as car audio systems. Packaged in a 5-pin TO-220 (Pentawatt) package, the TDA2003A can be easily mounted with a heatsink for improved thermal performance.

Its simple external component requirement, high output current capability, and robust protection features make it suitable for audio amplifiers, speaker drivers, intercoms, portable speakers, and DIY amplifier projects.

Key Features

  • Class-AB low-frequency audio power amplifier
  • Delivers up to 10W output power in single-ended configuration
  • Supports up to 20W output in bridge configuration
  • High output current capability
  • Low harmonic and crossover distortion
  • Wide operating supply voltage
  • Excellent ripple rejection
  • Built-in thermal shutdown protection
  • Output short-circuit protection
  • Load dump and polarity reversal protection
  • Open-ground protection
  • Requires very few external components
  • Compact TO-220 (Pentawatt) package
  • Ideal for automotive and general-purpose audio amplification

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

IC Type: Audio Power Amplifier IC
Part Number: TDA2003A / UTC2003
Amplifier Class: Class-AB
Package Type: TO-220-5 (Pentawatt)
Number of Channels: Single Channel (Mono)
Operating Supply Voltage: 8V to 18V DC
Maximum DC Supply Voltage: 28V
Peak Supply Voltage: 40V
Output Power: Up to 10W (Single-Ended, Typical), Up to 20W (Bridge Configuration)
Maximum Output Current: 3.5A Continuous (Typical), Up to 5A Peak (Short Duration)
Frequency Response: 40Hz to 15kHz
Voltage Gain: Approximately 80dB (Open Loop)
Supply Voltage Rejection: Typically 36dB
Total Harmonic Distortion (THD): Typically 0.15%
Input Resistance: Approximately 150kΩ
Quiescent Current: Approximately 50mA
Thermal Protection: Built-In
Short Circuit Protection: Built-In
Load Dump Protection: Built-In
Operating Temperature: -40°C to +150°C (Junction)
Storage Temperature: -40°C to +150°C
Mounting Type: Through-Hole
Compatibility: Audio Amplifier Circuits, Automotive Electronics, DIY Audio Systems

Additional Resources

TDA2003A.PDF

FAQ

1. What is the TDA2003A / UTC2003 Audio Amplifier IC used for?

The TDA2003A / UTC2003 is used for amplifying low-frequency audio signals in applications such as car audio systems, portable speakers, intercoms, radios, televisions, and DIY amplifier projects.

2. How much output power can the TDA2003A deliver?

The IC can deliver up to 10W of continuous output power in a single-ended configuration and up to 20W when used in a bridge amplifier configuration with proper power supply and heatsinking.

3. Does the TDA2003A include built-in protection features?

Yes. The IC includes thermal shutdown, output short-circuit protection, load dump protection, polarity reversal protection, and open-ground protection, making it highly reliable for automotive and general-purpose applications.

4. What supply voltage is required for the TDA2003A?

The recommended operating supply voltage ranges from 8V to 18V DC, while the device can withstand DC voltages up to 28V and peak voltages up to 40V under specified conditions.

5. Can the TDA2003A drive speakers directly?

Yes. The TDA2003A is designed to drive low-impedance speakers (typically 2Ω to 4Ω) directly, making it suitable for compact audio amplifier and automotive speaker applications.