DocID17714 Rev 4 7/18
TDA7851F Electrical specifications
17
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 Ω; R
g
= 600 Ω; 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
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 Ω
V
S
= 14.4 V; THD = 1%, 2 Ω
-
48
38
-
W
W
P
o max.
Max. output power
(1)
V
S
= 14.4 V; R
L
= 4 Ω
V
S
= 14.4 V; R
L
= 2 Ω
Vs = 15.2V; R
L
= 4 Ω (square
wave input (2 Vrms))
-
45
75
48
-W
