tda8594sd-n1 NXP Semiconductors, tda8594sd-n1 Datasheet - Page 14
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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
Fig 9. Low V
(1) Low V
(2) V
POR
IB1 bit D0
: V
DIAG
POR
P
14.4
P
V
(V)
8.8
8.6
7.2
5.0
3.5
P
mute activated.
7.11 Overvoltage and load dump protection
7.12 Thermal pre-warning and thermal protection
O
0
behavior; I
level at which Power-On Reset (POR) is activated.
I
2
When the battery voltage V
high-impedance. The TDA8594 is protected against load dump voltage with supply
voltage up to 50 V.
If the average junction temperature reaches a level that is adjustable via the I
selected with IB3[D4], the pre-warning will be activated resulting in a LOW level on
pin DIAG (if selected) and can be read out via the I
thermal pre-warning is IB3[D4] = 0 setting the warning level at 145 C. In legacy mode the
thermal pre-warning is set at 145 C.
If the temperature increases further, the temperature controlled gain reduction will be
activated for all four channels to reduce the output power (see
reduce the average junction temperature, all four channels will be switched off at the
absolute maximum temperature T
C-bus mode only
2
C-bus mode only
output voltage
V
Rev. 02 — 11 December 2007
P
(1)
P
is higher than 22 V, the amplifier stage will be switched to
(2)
off
V
, typical 175 C.
SVR
I
2
C-bus controlled 4
2
C-bus. The default setting for the
Figure
50 W power amplifier
10). If this does not
TDA8594
© NXP B.V. 2007. All rights reserved.
001aad185
t (s)
2
C-bus,
14 of 48
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