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| TDA8594 Datasheet, PDF (27/48 Pages) NXP Semiconductors – I2C-bus controlled 4 X 50 W power amplifier | |||
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NXP Semiconductors
TDA8594
I2C-bus controlled 4 à 50 W power ampliï¬er
Table 15. Limiting values â¦continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol Parameter
Conditions
Min
Ptot
total power dissipation Tcase = 70 °C
-
Vesd
electrostatic discharge human body model;
-
voltage
C = 100 pF;
Rs = 1.5 kâ¦
machine model;
-
C = 200 pF; Rs = 10 â¦;
Ls = 0.75 µH
10. Thermal characteristics
Max Unit
80
W
2000 V
200
V
Table 16.
Symbol
Rth(j-c)
Rth(j-a)
Thermal characteristics
Parameter
thermal resistance from junction
to case
thermal resistance from junction
to ambient
Conditions
in free air
Typ
Unit
1
K/W
40
K/W
11. Characteristics
Table 17. Characteristics
Refer to Figure 29 at VP = VP1 = VP2 = 14.4 V; RL = 4 â¦; f = 1 kHz; RS = 0 â¦; normal mode; unless otherwise speciï¬ed.
Tested at Tamb = 25 °C; guaranteed for Tamb = â40 °C to +105 °C.
Symbol
Parameter
Conditions
Min Typ Max Unit
Supply voltage behavior
VP
Iq
Istb
VO
VP(low)(mute)
supply voltage
quiescent current
standby current
output voltage
low supply voltage mute
RL = 4 â¦
RL = 2 â¦
no load
VSTB = 0.4 V
with rising supply voltage
with falling supply voltage
8
[1] 8
-
-
6.7
6.9
6.3
14.4 18
V
14.4 16
V
270 400 mA
4
15
µA
7
7.2 V
7.5 8
V
6.8 7.4 V
âVP(low)(mute)
low supply voltage mute
hysteresis
0.1 0.7 1
V
Vth(ovp)
overvoltage protection
threshold voltage
18
20
22
V
Vhr
headroom voltage
when headroom protection is
1.1 1.6 2.0 V
activated; see Figure 7
VPOR
VO(offset)
power-on reset voltage
output offset voltage
see Figure 9
ampliï¬er on
ampliï¬er mute
4.1 5.0
â95 0
â25 0
5.8 V
+95 mV
+25 mV
line driver mode
â40 0
+40 mV
RL(tol)
load resistance tolerance
VP ⤠18 V
VP ⤠16 V
3.2 4
-
â¦
1.6 2
-
â¦
TDA8594_2
Product data sheet
Rev. 02 â 11 December 2007
© NXP B.V. 2007. All rights reserved.
27 of 48
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