TDA7381_08 Datasheet, PDF (4/13 Pages) STMicroelectronics – 4 x 25W quad bridge car radio amplifier

Electrical specifications
2
Electrical specifications
TDA7381
2.1
Absolute maximum ratings
Table 2. Absolute maximum ratings
Symbol
Parameter
V_CC
V_{CC (DC})
V_{CC (pk)}
I_O
P_tot
T_j
T_stg
Operating supply voltage
DC supply voltage
Peak supply voltage (t = 50 ms)
Output peak current:
Repetitive (duty cycle 10 % at f = 10 Hz)
Non repetitive (t = 100 μs)
Power dissipation, (T_case = 70 °C)
Junction temperature
Storage temperature
Value
Unit
18
V
28
V
50
V
3
A
4
A
80
W
150
°C
-40 to 150
°C
2.2
Thermal data
Table 3. Thermal data
Symbol
Parameter
R_{th j-case} Thermal resistance junction to case
Value
max.
1
Unit
°C/W
2.3
Electrical characteristcs
Table 4.
Electrical characteristcs
(V_S = 14.4 V; f = 1 kHz; R_g = 600 Ω; R_L = 4 Ω; T_amb = 25 °C; Refer to the test and application
circuit (Figure 3), unless otherwise specified).
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
I_q1
Quiescent current
V_OS
Output offset voltage
G_v
Voltage gain
THD = 10 %
180 300 mA
100 mV
25
26
27
dB
16.5 18
W
P_o
Output power
P_{o EIAJ}
P_{o max}
THD
EIAJ output power ⁽¹⁾
Max. output power ⁽¹⁾
Distortion
THD = 1 %
THD = 10 %; V_S = 13.2 V
THD = 1 %; V_S = 13.2 V
EIAJ (V_S = 13.7 V)
V_S = 13.7 V
P_o = 4 W
13
14
W
13.5 15
W
11
12
W
23
25
W
28
30
W
0.04 0.3
%
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