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TBA820M 数据表(PDF) 3 Page - STMicroelectronics

部件名 TBA820M
功能描述  1.2W AUDIO AMPLIFIER
PDF  6 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TBA820M 数据表(HTML) 3 Page - STMicroelectronics

  TBA820M Datasheet HTML 1Page - STMicroelectronics TBA820M Datasheet HTML 2Page - STMicroelectronics TBA820M Datasheet HTML 3Page - STMicroelectronics TBA820M Datasheet HTML 4Page - STMicroelectronics TBA820M Datasheet HTML 5Page - STMicroelectronics TBA820M Datasheet HTML 6Page - STMicroelectronics  
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Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Vs
Supply voltage
3
16
V
Vo
Quiescent output voltage (pin 5)
4
4.5
5
V
Id
Quiescent drain current
4
12
mA
Ib
Bias current (pin 3)
0.1
µA
Po
Output power
d = 10%
Rf = 120
Ω
Vs = 12V
Vs =9V
Vs =9V
Vs =6V
Vs = 3.5V
f = 1 kHz
RL =8
Ω
RL =4
Ω
RL =8
Ω
RL =4
Ω
RL =4
Ω
0.9
2
1.6
1.2
0.75
0.25
W
W
W
W
W
Ri
Input resistance (pin 3)
f = 1 kHz
5
M
Ω
B
Frequency response (-3 dB)
RL =8
Ω
C5 = 1000
µF
Rf = 120
Ω
CB = 680 pF
25 to 7,000
Hz
CB = 220 pF
25 to 20,000
d
Distortion
Po = 500 mW
RL =8
Ω
f= 1 kHz
Rf =33
Ω
0.8
%
Rf = 120
Ω
0.4
Gv
Voltage gain (open loop)
f = 1 kHz
RL =8
Ω
75
dB
Gv
Voltage gain (closed loop)
RL =8
Ω
Rf =33
Ω
45
dB
f= 1 kHz
Rf = 120
Ω
34
eN
Input noise voltage (*)
3
µV
iN
Input noise current (*)
0.4
nA
S
+ N
N
Signal to noise ratio (*)
Po = 1.2W
RL =8
Ω
Gv =34 dB
R1 = 10K
Ω
80
dB
R1 = 50 k
Ω
70
SVR
Supply voltage rejection
(test circuit of fig. 2)
RL =8
Ω
f(ripple) = 100 Hz
C6 = 47
µF
Rf = 120
Ω
42
dB
ELECTRICAL CHARACTERISTICS
(Refer to the test circuits Vs = 9V, Tamb =25
°C unless otherwise
specified)
(*) B = 22 Hz to 22 KHz
3/6
TBA820M



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