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TDA7231 数据表(PDF) 2 Page - STMicroelectronics

部件名 TDA7231
功能描述  1.6W AUDIO AMPLIFIER
PDF  5 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7231 数据表(HTML) 2 Page - STMicroelectronics

  TDA7231 Datasheet HTML 1Page - STMicroelectronics TDA7231 Datasheet HTML 2Page - STMicroelectronics TDA7231 Datasheet HTML 3Page - STMicroelectronics TDA7231 Datasheet HTML 4Page - STMicroelectronics TDA7231 Datasheet HTML 5Page - STMicroelectronics  
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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Vs
Supply Voltage
16
V
Ptot
Total Power Dissipation at Tamb =50
°C
at Tcase =70
°C
1.25
4
W
W
Io
Output Peak Current
1
A
Tstg,Tj
Storage and Junction Temperature
– 40 to 150
°C
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-amb
Thermal Resistance Junction-ambient
Max.
80
°C/W
Rth j-pins
Thermal Resistance Junction-pins
Max.
15
°C/W
ELECTRICAL CHARACTERISTICS (Vs = 6V, Tamb = 25
°C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
1.8
15
V
Vo
Quiescent Out Voltage
VS =6 V
VS =3 V
2.7
1.2
V
V
Id
Quiescent Drain Current
3.6
9
mA
Ib
Input Bias Current
100
nA
Po
Output Power
d = 10%
f = 1kHz
Vs = 12V
RL =8
Ω
Vs =9V
RL =4
Ω
Vs =6V
RL =8
Ω
Vs =6V
RL =4
Ω
Vs =3V
RL =4
Ω
Vs =3V
RL =8
Ω
1.8
1.6
0.4
0.7
110
70
W
W
W
W
mW
mW
d
Distortion
Po = 0.2 W
f = 1 kHz
RL =8
Ω
0.3
%
Gv
Closed Loop Voltage Gain
38
dB
Rin
Input Resistance
f = 1kHz
100
k
Ω
eN
Total Input Noise
Rs = 10k
Ω B = Curve A
B = 22Hz to 22kHz
2
3
µV
µV
SVR
Supply Voltage Rejection
f = 100Hz, Rg = 10k
Ω
24
33
dB
Figure 1 : Test and Application Circuit
TDA7231A
2/5



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