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TDA7389 Datasheet(PDF) 6 Page - STMicroelectronics

Part No. TDA7389
Description  4 x 45W quad bridge car radio amplifier
Download  14 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7389 Datasheet(HTML) 6 Page - STMicroelectronics

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Electrical specifications
TDA7389
6/14
2
Electrical specifications
2.1
Absolute maximum ratings
2.2
Thermal data
2.3
Electrical characteristics
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VS
Operating supply voltage
18
V
VS (DC)
DC supply voltage
28
V
VS (pk)
Peak supply voltage (t = 50ms)
50
V
IO
Output peak current:
Repetitive (duty cycle 10% at f = 10Hz)
Non repetitive (t = 100
μs)
4.5
5.5
A
Ptot
Power dissipation, (Tcase = 70°C)
80
W
Tj
Junction temperature
150
°C
Tstg
Storage temperature
– 55 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
Value
Unit
Rth j-amb
Thermal resistance junction to ambient
max.
1
°C/W
Table 4.
Electrical characteristics
(VS = 14.4V; f = 1KHz; Rg = 600Ω; RL = 4Ω; Tamb = 25°C; Refer to the test and application
diagram (Figure 14), unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Iq1
Quiescent current
RL = ∞
150
350
mA
VOS
Output offset voltage
Play Mode
±80
mV
dVOS
During mute on/off output
offset voltagef
ITU R-ARM weighted
see Figure 13
-10
10
mV
During st-by on/off output
offset voltage
-50
50
Gv
Voltage gain
25
26
27
dB
ΔG
v
Channel gain unbalance
±1
dB
Po
Output power
THD = 10%; VS = 14.4V
26
28
W
Po max
Max.output power(1)
VS = 14.4V
41
45
W


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