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TDA7850AH Datasheet(PDF) 7 Page - STMicroelectronics

Part No. TDA7850AH
Description  4 x 50 W MOSFET quad bridge power amplifier plus HSD
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7850AH Datasheet(HTML) 7 Page - STMicroelectronics

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TDA7850A
Electrical specifications
7/16
3
Electrical specifications
3.1
Absolute maximum ratings
3.2
Thermal data
3.3
Electrical characteristics
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VS
Operating supply voltage
18
V
VS (DC)
DC supply voltage
28
V
VS (pk)
Peak supply voltage (for t = 50ms)
50
V
IO
Output peak current
repetitive (duty cycle 10% at f = 10Hz)
non repetitive (t = 100
μs)
9
10
A
A
Ptot
Power dissipation Tcase = 70°C
80
W
Tj
Junction temperature
150
°C
Tstg
Storage temperature
-55 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
Value
Unit
Rth j-case Thermal resistance junction to case
Max.
1
°C/W
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
RL = ∞
100
180
280
mA
VOS
Output offset voltage
Play mode - Mute mode
±60
mV
dVOS
During mute ON/OFF output
offset voltage
ITU R-ARM weighted
see Figure 18
-10
+10
mV
During St-By ON/OFF output
offset voltage
-10
+10
mV
Gv
Voltage gain
25
26
27
dB
dGv
Channel gain unbalance
±1
dB


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