TFA9812HN PHILIPS [NXP Semiconductors], TFA9812HN Datasheet - Page 13

• Manufacturer Part Number: TFA9812HN
• Description: BTL stereo Class-D audio amplifier with I2S input
• Manufacturer: PHILIPS [NXP Semiconductors]

NXP Semiconductors
TFA9812_2
Preliminary data sheet
8.3.1 Power-up
8.3 Power-up/power-down
Figure 3
for initiating a power-up reset.
Table 10.
[1]
Symbol
t
t
t
t
wake
d(on)
d(mute_off)
d(soft_mute)
Fig 3.
mode active
POWERUP
Mute in Legacy mode is controlled by AVOL pin.
I
Operating
AVOL pin
in Legacy
soft mute
setting in
2
ENABLE
available
supplies
C mode
external
outputs
voltage
mode
PWM
and
I
Power-up/power-down timing
pin
pin
2
C
Power-up/power-down timing
Parameter
wake-up
time
turn-on
delay time
mute off
delay time
Soft mute
delay time
Table 10
Rev. 02 — 22 January 2009
describe the power-up timing while
t
wake
Conditions Min
I
-
-
I
legacy
control
2
2
C control
C control
[1]
t
d(on)
BTL stereo Class-D audio amplifier with I
-
70
-
-
-
t
d(mute_off)
Typ
4
-
-
-
15
Table 11
Max
-
135
128/f
128/f
-
shows the pin control
t
d(soft_mute)
s
s
© NXP B.V. 2009. All rights reserved.
TFA9812
Unit
ms
ms
s
s
ms
010aaa219
2
S input
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