TDA1519/N2,112

Overview

The TDA1519 is a dual output Class-B stereo power amplifier designed for car radio applications. It operates within a supply voltage range of 6.0 V to 18.0 V and delivers up to 6 W per channel into a 4 Ω load at 10% THD. The device features a fixed gain of 40 dB, integrated mute/stand-by functionality with low current consumption, and comprehensive protection including AC/DC short-circuit safety, thermal shutdown, reverse polarity protection, and load dump tolerance up to 45 V.

Feature Summary

• Integrated Class-B dual output amplifier architecture optimized for automotive environments
• Built-in mute and stand-by switch mechanism enabling low-power standby operation
• Robust protection suite encompassing thermal limits, reverse polarity, and high-energy output handling
• Fixed internal voltage gain eliminating the need for external feedback components

Applications

• Stereo car radio power amplification
• Automotive audio systems requiring compact dual-channel solutions
• Battery-powered audio equipment operating within standard vehicle electrical specifications

Procurement Notes

Verify component authenticity through authorized NXP channels due to historical discontinuation status. Confirm package variant matches the 9-lead SIL-bent-to-DIL (SOT110B) specification. Review datasheet revision history for any updates regarding absolute maximum ratings or application circuit recommendations prior to integration.

Selection Notes

Select this component for designs requiring a simple, fixed-gain stereo amplifier solution without complex external biasing networks. Ensure the application environment accommodates the specific thermal dissipation requirements of the plastic medium power package. Verify that the system supply voltage remains within the specified 6 V to 18 V operational window for optimal performance.

Part Context

The TDA1519 belongs to the Philips/NXP TDA151x family of audio power amplifiers. It is functionally compatible with the TDA1517, differing primarily in gain characteristics. This series represents an earlier generation of automotive audio ICs designed for robustness and minimal external component count in consumer electronics.

Replacement Considerations

No direct modern replacements are listed in the provided documentation. Designers should evaluate newer NXP audio amplifier families for updated efficiency or feature sets, noting potential differences in pinout and thermal management requirements.