NXP Semiconductors TFA9810 - Manual (Page 8)

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