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TDA7294S 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7294S
功能描述  100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7294S 数据表(HTML) 3 Page - STMicroelectronics

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TDA7294S
Table 4. Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
VS
Supply Voltage (No Signal)
±50
V
V1
VSTAND-BY GND Voltage Referred to -VS (pin 8)
90
V
V2
Input Voltage (inverting) Referred to -VS
90
V
V2 - V3
Maximum Differential Inputs
±30
V
V3
Input Voltage (non inverting) Referred to -VS
90
V
V4
Signal GND Voltage Referred to -VS
90
V
V5
Clip Detector Voltage Referred to -VS
100
V
V6
Bootstrap Voltage Referred to -VS
100
V
V9
Stand-by Voltage Referred to -VS
100
V
V10
Mute Voltage Referred to -VS
100
V
V11
Buffer Voltage Referred to -VS
100
V
V12
Bootstrap Loader Voltage Referred to -VS
90
V
IO
Output Peak Current
10
A
Ptot
Power Dissipation Tcase = 70°C
50
W
Top
Operating Ambient Temperature Range
0 to 70
°C
Tstg, Tj
Storage and Junction Temperature
150
°C
Table 5. Electrical Characteristcs
(Refer to the Test Circuit VS = ±35V, RL = 8
Ω, GV = 30dB; Rg = 50Ω; Tamb = 25°C, f = 1kHz; unless
otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Operating Supply Range
±12
±45
V
Iq
Quiescent Current
20
30
65
mA
Ib
Input Bias Current
500
nA
VOS
Input Offset Voltage
±10
mV
IOS
Input Offset Current
±100
nA
PO
RMS Continuous Output Power
d = 0.5%:
VS = ± 35V, RL = 8
Ω
VS = ± 32V, RL = 6
Ω
VS = ± 28V, RL = 4
Ω
60
60
60
70
70
70
W
W
W
Music Power (RMS) (*)
∆t = 1s
d = 0.5%:
VS = ± 40V, RL = 8
Ω
VS = ± 35V, RL = 6
Ω
VS = ± 30V, RL = 4
Ω (***)
100
100
100
W
W
W
d
Total Harmonic Distortion (**)
PO = 5W; f = 1kHz
PO = 0.1 to 20W; f = 20Hz to 20kHz
0.005
0.1
%
%
VS = ± 28V, RL = 4
Ω:
PO = 5W; f = 1kHz
PO = 0.1 to 20W; f = 20Hz to 20kHz
0.01
0.1
%
%
IMAX
Overcurrent Protection Threshold
VS
≤ ± 40V
6.5
A
SR
Slew Rate
7
10
V/
µs
GV
Open Loop Voltage Gain
80
dB
GV
Closed Loop Voltage Gain
26
30
45
dB



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