Philips TDA8574 Class-H High-Output Voltage Level Line Driver Data Sheet User Manual
Summary
This datasheet provides complete specifications for the Philips TDA8574 and TDA8574T two-channel class-H high-output voltage line driver designed for car audio applications, available in DIP16 and SO16 packages. It details the class-H voltage lifting principle achieving output swings larger than supply voltage, 8dB gain, low distortion and noise performance, and application guidance for improving car audio system signal-to-noise ratio when power amplifiers are connected via long cables.
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DATA SHEET
TDA8574 Class-H high-output voltage level line driver
Product specification Oct
Supersedes data of 1997 Feb File under Integrated Circuits, IC01
Page Summary Contents For Philips TDA8574 Class-H High-Output Voltage Level Line Driver Data Sheet User Manual
Manual Details
| Brand | Philips |
|---|---|
| Pages | 16 |
| File Size | 108.52 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What is the typical voltage gain of this line driver?
The TDA8574 behaves as a non-inverting amplifier with a specified voltage gain of 8 dB.
Does it function well in car audio systems with long cables?
Yes, it is used for car audio applications and improves signal-to-noise ratios even when driving power amplifiers through long cables.
How does the output voltage swing relate to the supply voltage?
Due to its Class-H principle, the output voltage swing over the load can be more than the applied supply voltage.
Which package types are available for this device?
The TDA8574 is supplied in a DIP16 package, while the 'T' variant is offered in an SO16 package.