TDA7294S 查看數據表（PDF） - STMicroelectronics
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TDA7294S Datasheet PDF : 16 Pages
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TDA7294S
Table 4. Absolute Maximum Ratings
Symbol
VS
V1
V2
V2 - V3
V3
V4
V5
V6
V9
V10
V11
V12
IO
Ptot
Top
Tstg, Tj
Parameter
Supply Voltage (No Signal)
VSTAND-BY GND Voltage Referred to -VS (pin 8)
Input Voltage (inverting) Referred to -VS
Maximum Differential Inputs
Input Voltage (non inverting) Referred to -VS
Signal GND Voltage Referred to -VS
Clip Detector Voltage Referred to -VS
Bootstrap Voltage Referred to -VS
Stand-by Voltage Referred to -VS
Mute Voltage Referred to -VS
Buffer Voltage Referred to -VS
Bootstrap Loader Voltage Referred to -VS
Output Peak Current
Power Dissipation Tcase = 70°C
Operating Ambient Temperature Range
Storage and Junction Temperature
Value
Unit
±50
V
90
V
90
V
±30
V
90
V
90
V
100
V
100
V
100
V
100
V
100
V
90
V
10
A
50
W
0 to 70
°C
150
°C
Table 5. Electrical Characteristcs
(Refer to the Test Circuit VS = ±35V, RL = 8Ω, GV = 30dB; Rg = 50Ω; Tamb = 25°C, f = 1kHz; unless
otherwise specified).
Symbol
VS
Iq
Ib
VOS
IOS
PO
d
IMAX
SR
GV
GV
Parameter
Operating Supply Range
Quiescent Current
Input Bias Current
Input Offset Voltage
Input Offset Current
RMS Continuous Output Power
Music Power (RMS) (*)
∆t = 1s
Total Harmonic Distortion (**)
Overcurrent Protection Threshold
Slew Rate
Open Loop Voltage Gain
Closed Loop Voltage Gain
Test Condition
d = 0.5%:
VS = ± 35V, RL = 8Ω
VS = ± 32V, RL = 6Ω
VS = ± 28V, RL = 4Ω
d = 0.5%:
VS = ± 40V, RL = 8Ω
VS = ± 35V, RL = 6Ω
VS = ± 30V, RL = 4Ω (***)
PO = 5W; f = 1kHz
PO = 0.1 to 20W; f = 20Hz to 20kHz
VS = ± 28V, RL = 4Ω:
PO = 5W; f = 1kHz
PO = 0.1 to 20W; f = 20Hz to 20kHz
VS ≤ ± 40V
Min.
±12
20
60
60
60
6.5
7
26
Typ.
30
Max.
±45
65
500
±10
±100
70
70
70
100
100
100
0.005
0.1
0.01
0.1
10
80
30
45
Unit
V
mA
nA
mV
nA
W
W
W
W
W
W
%
%
%
%
A
V/µs
dB
dB
3/16
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