TDA7851L Electrical specifications
Doc ID 022520 Rev 3 7/15
3 Electrical specifications
3.1 Absolute maximum ratings
3.2 Electrical characteristics
Refer to the test and application diagram, V
S
= 14.4 V; R
L
= 4 ; R
g
= 600 ; f = 1 kHz;
T
amb
= 25 °C; unless otherwise specified.
Table 3. Absolute maximum ratings
Symbol Parameter Value Unit
V
S
Operating supply voltage 18 V
V
S (DC)
DC supply voltage 28 V
V
S (pk)
Peak supply voltage (for t = 50 ms) 50 V
I
O
Output peak current
Non repetitive (t = 100 µs)
Repetitive (duty cycle 10 % at f = 10 Hz)
10
9
A
A
P
tot
Power dissipation T
case
= 70 °C 85 W
T
j
Junction temperature 150 °C
T
amb
Operating temperature range -40 to 105 °C
T
stg
Storage temperature -55 to 150 °C
Table 4. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
V
S
Supply voltage range - 8 - 18 V
I
q1
Quiescent current R
L
= 100 150 300 mA
V
OS
Output offset voltage Play mode / Mute mode -60 - +60 mV
dV
OS
During mute on/off output offset
voltage
ITU R-ARM weighted
see Figure 18
-10 - +10 mV
During standby on/off output offset
voltage
-10 - +10 mV
G
v
Voltage gain - 25 26 27 dB
dG
v
Channel gain unbalance - ±1 dB
P
o
Output power
V
S
= 14.4 V; THD = 10 %
V
S
= 14.4 V; THD = 1 %
25
-
28
22
-
W
W
V
S
= 14.4 V; THD = 10 %, 2
V
S
= 14.4 V; THD = 1 %, 2
-
48
38
-
W
W
P
o max.
Max. output power
(1)
V
S
= 14.4 V; R
L
= 4
V
S
= 14.4 V; R
L
= 2
V
S
= 15.2 V; R
L
= 4
-
45
75
48
-
W
W
W