tda8594sd-n1 NXP Semiconductors, tda8594sd-n1 Datasheet - Page 12
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tda8594sd-n1
Manufacturer Part Number
tda8594sd-n1
Description
Tda8594 I?c-bus Controlled 4 X 50 W Power Amplifier
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8594SD-N1.pdf
(48 pages)
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NXP Semiconductors
TDA8594_2
Product data sheet
When the SVR capacitor has discharged, the amplifier starts up again if the V
above the low V
outputs of the amplifier remain low. In I
typically 5 V, results in setting bit DB2[D7] and not starting of the amplifiers but waiting for
an I
The amplifier prevents audio pops during engine start. To prevent pops on the output
caused by the application during an engine start (for instance tuner regulator out of
regulation), the STB pin can be made zero when an engine start is detected. The STB pin
activates the fast mute and disturbances at the amplifier inputs are suppressed.
Fig 7. Low headroom protection
2
C-bus command to start.
(1) Headroom voltage V
(2) Steady state output voltage V
(3) Headroom protection threshold = V
8.4
(V)
14
V
7
P
V
V
V
P
SVR
O
mute threshold, typically 7.5 V. Below the low V
(2)
Rev. 02 — 11 December 2007
hr
= V
P
O
V
O
= V
.
SVR
O
2
+ 1.6 V.
C-bus mode, a supply voltage drop below V
V
1.4 V.
hr
I
(1)
2
C-bus controlled 4
headroom protection
P
threshold
mute threshold, the
50 W power amplifier
TDA8594
© NXP B.V. 2007. All rights reserved.
(3)
001aad172
1.6 V
t (s)
P
voltage is
P(reset)
12 of 48
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