TDF8541JSSLASHN2 datasheet(46/54 Pages) NXP

46 / 54 page

TDF8541

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 3 — 13 December 2011

46 of 54

NXP Semiconductors

TDF8541

I2C-bus controlled 4

 45 W power amplifier

13.2 Beep input

Circuit to amplify the beep signal from the microcontroller to all four amplifiers with gain

set to 0 dB.

13.3 Clip detection on pin STB

14. Test information

14.1 Quality information

This product has been qualified in accordance with the Automotive Electronics Council

(AEC) standard Q100 - Failure mechanism based stress test qualification for integrated

circuits, and is suitable for use in automotive applications.

Fig 30. Beep input circuit

TDF8541

2.2 μF

ACGND

1.7 kΩ

from microcontroller

100 Ω

0.22 μF

47 pF

001aan096

Fig 31. Circuit for testing clip detection on pin STB

4.7 kΩ

18 kΩ

10 kΩ

switch

10 kΩ

8.5 V

3.3 V

TDF8541

MICRO-

CONTROLLER

STB

001aan739

TDF8541JS/N2 数据表(PDF) 46 Page - NXP Semiconductors

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