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6 start-up sequence, Internal circuitry, Tfa9810 – NXP Semiconductors TFA9810 User Manual

Page 8: Nxp semiconductors, Audio amplifier 2 x 12 w

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TFA9810_3

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 03 — 20 February 2008

8 of 29

NXP Semiconductors

TFA9810

Audio amplifier 2 x 12 W

8.6 Start-up sequence

9.

Internal circuitry

Fig 3.

Start-up sequence

SLEEP

START-UP

OPERATING

FAULT

RESTART

OPERATING

SHUT-DOWN

SLEEP

FLOATING

AUDIO

PWM

010aaa018

AUDIO

PWM

FLOATING

V

P

ENABLE

STAB1

CDELAY

V IN x

OUT x

AUDIO

DIAG

Fig 4.

Internal circuitry 0001

22 V

V

DDA

V

SSA

1,16, 17, 32

010aaa024