Electrical specifications TDA7381
6/15 Doc ID 4947 Rev 8
2 Electrical specifications
2.1 Absolute maximum ratings
2.2 Thermal data
2.3 Electrical characteristcs
V
S
= 14.4 V; f = 1 kHz; R
g
= 600 ; R
L
= 4 ; T
amb
= 25 °C;
Refer to the test and application circuit (Figure 3), unless otherwise specified.
Table 2. Absolute maximum ratings
Symbol Parameter Value Unit
V
CC
Operating supply voltage 18 V
V
CC (DC
) DC supply voltage 28 V
V
CC (pk)
Peak supply voltage (t = 50 ms) 50 V
I
O
Output peak current:
Repetitive (duty cycle 10 % at f = 10 Hz)
Non repetitive (t = 100 s)
3
4
A
A
P
tot
Power dissipation, (T
case
= 70 °C) 80 W
T
j
Junction temperature 150 C
T
stg
Storage temperature -40 to 150 C
Table 3. Thermal data
Symbol Parameter Value Unit
R
th j-case
Thermal resistance junction to case max. 1 °C/W
Table 4. Electrical characteristcs
Symbol Parameter Test Condition Min. Typ. Max. Unit
I
q1
Quiescent current - - 180 300 mA
V
OS
Output offset voltage - - - 100 mV
G
v
Voltage gain - 25 26 27 dB
P
o
Output power
THD = 10 % 16.5 18 - W
THD = 1 % 13 14 - W
THD = 10 %; V
S
= 13.2 V 13.5 15 - W
THD = 1 %; V
S
= 13.2 V 11 12 - W
P
o EIAJ
EIAJ output power
(1)
EIAJ (V
S
= 13.7 V) 23 25 - W
P
o max
Max. output power
(1)
V
S
= 13.7 V 28 30 - W
