TDA2004 Dual Class-B Car Radio Audio Power Amplifier IC
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Prices updated: 14 Oct 2026
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About this product
The TDA2004 is a dual class B audio power amplifier in a MULTIWATT package, designed for car radio applications. It can deliver up to 3.5 A of output current and drive very low impedance loads down to 1.6 Ω. Built-in protections against output short to ground, inductive loads, over-temperature, load dump and open ground make it robust for vehicle use.
Specifications
- Type
- Dual class B audio power amplifier
- Package
- MULTIWATT
- Max output current
- 3.5 A
- Minimum load impedance
- 1.6 Ω
- Typical application
- Car radio, stereo amplifiers
- Protections
- Output short to ground, inductive loads, over-temperature, load dump, open ground
Frequently asked questions
Can it drive a 4 Ω speaker?
Yes. Its minimum rated load is 1.6 Ω, so a standard 4 Ω speaker is within its operating range. The amplifier is designed to drive low impedance loads.
What protection does it provide?
It is protected against output short to ground, very inductive loads, over-rating chip temperature, load dump voltage surges and fortuitous open ground. These protections help the IC survive wiring faults and vehicle electrical spikes.
