Datasheet

Electrical specifications STA540
8/25 Doc ID 13907 Rev 6
2 Electrical specifications
2.1 Absolute maximum ratings
2.2 Thermal data
2.3 Electrical characteristics
The test conditions are V
S
= 14.4 V, R
L
= 4 Ω, f = 1 kHz, T
amb
= 25° C unless otherwise
specified.
Table 3. Absolute maximum ratings
Symbol Parameter Value Unit
V
s
Supply voltage idle mode (no signal) 24 V
Supply voltage operating 22 V
Supply voltage AC-DC short safe 20 V
P
tot
Total power dissipation (T
case
= 85 °C) 36 W
T
stg
, T
j
Storage and junction temperature -40 to150 °C
T
op
Operating temperature 0 to 70 °C
Table 4. Thermal data
Symbol Parameter Value Unit
R
th j-case
Thermal resistance junction to case (max) 1.8 °C/W
R
th j-amb
Thermal resistance junction to ambient (max) 35 °C/W
Table 5. Electrical characteristics
Symbol Parameter Test condition Min Typ Max Unit
V
S
Supply voltage range 8 22 V
I
d
Total quiescent drain
current
80 150 mA
V
os
Output offset voltage -150 150 mV
P
o
Output power, SE
THD=10%, R
L
=4 Ω
THD=10%, R
L
=2 Ω
THD=10%, R
L
=4 Ω, V
S
=22 V
6.5
7
11.5
16
W
Output power, BTL
THD=10%, R
L
=4 Ω
THD=10%, R
L
=8 Ω, V
S
=17 V
THD=10%, R
L
=8 Ω, V
S
=22 V
21
24
20
34
W
THD Total harmonic distortion R
L
= 4 Ω, P
o
= 0.1 to 4 W 0.02 %
I
SC
Short-circuit output current 4.0 A