TDA7854 Ver la hoja de datos (PDF) - STMicroelectronics
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TDA7854 Datasheet PDF : 12 Pages
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TDA7854
3
Electrical specifications
Electrical specifications
3.1
Absolute maximum ratings
Table 3. Absolute maximum ratings
Symbol
Parameter
VS
VS (DC)
VS (pk)
IO
Operating supply voltage
DC supply voltage
Peak supply voltage (for t = 50ms)
Output peak current
Non repetitive (t = 100μs)
Repetitive (duty cycle 10% at f = 10Hz)
Ptot Power dissipation Tcase = 70°C
Tj
Junction temperature
Tstg Storage temperature
Value
Unit
18
V
28
V
50
V
10
A
9
A
85
W
150
°C
-55 to 150
°C
3.2
Electrical characteristics
Table 4.
Electrical characteristics
(Refer to the test and application diagram, VS = 14.4V; RL = 4Ω; Rg = 600Ω; f = 1KHz;
Tamb = 25°C; unless otherwise specified).
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Iq1 Quiescent current
VOS Output offset voltage
Gv Voltage gain
dGv Channel gain unbalance
Po Output power
Po max. Max. output power(1)
THD Distortion
eNo Output Noise
RL = ∞
Play mode / Mute mode
VS = 14.4V; THD = 10%
VS = 14.4V; THD = 1%
VS = 14.4V; THD = 10%, 2Ω
VS = 14.4V; THD = 1%, 2Ω
VS = 15.2V; RL = 4Ω
VS = 15.2V; RL = 2Ω
Po = 4W
"A" Weighted
Bw = 20Hz to 20KHz
100 150 250 mA
-60
+60 mV
25 26 27 dB
±1 dB
28
W
22
W
48
W
38
W
47
W
80
W
0.01
%
35
μV
50 100 μV
SVR
fch
Ri
Supply voltage rejection
High cut-off frequency
Input Impedance
f = 100Hz; Vr = 1Vrms
PO = 0.5W
50 70
dB
100 300
KHz
80 100 120 KΩ
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