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TDA2040 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA2040
功能描述  20W Hi-Fi AUDIO POWER AMPLIFIER
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA2040 数据表(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS
(refer to the test circuit, VS =
± 16V, Tamb =25oC unless otherwise specified)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
Vs
Supply Voltage
± 2.5
± 20
V
Id
Quiescent Drain Current
Vs =
± 4.5V
Vs =
± 20V
45
30
100
mA
mA
Ib
Input Bias Current
Vs =
± 20V
0.3
1
µA
Vos
Input Offset Voltage
Vs =
± 20V
± 2
± 20
mV
Ios
Input Offset Current
± 200
nA
Po
Output Power
d = 0.5%, Tcase =60
°C
f = 1kHz
RL =4
Ω
RL =8
Ω
f = 15kHz
RL =4
Ω
20
15
22
12
18
W
BW
Power Bandwidth
Po = 1W, RL =4
Ω
100
kHz
Gv
Open Loop Voltage Gain
f = 1kHz
80
dB
Gv
Closed Loop Voltage Gain
f = 1kHz
29.5
30
30.5
dB
d
Total Harmonic Distortion
Po = 0.1 to 10W, RL =4
Ω
f = 40 to 15000Hz
f = 1kHz
0.08
0.03
%
eN
Input Noise Voltage
B = Curve A
B = 22Hz to 22kHz
2
310
µV
µV
iN
Input Noise Current
B = Curve A
B = 22Hz to 22kHz
50
80
200
pA
Ri
Input Resistance (pin 1)
0.5
5
M
Ω
SVR
Supply Voltage Rejection
RL =4
Ω,Rg = 22kΩ,Gv = 30dB
f = 100Hz, Vripple = 0.5VRMS
40
50
dB
η
Efficiency
f = 1kHz
Po = 12W
RL =8
Ω
Po = 22W
RL =4
Ω
66
63
%
Tj
Thermal Shut-down Junction Temperature
145
°C
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
Vs
Supply Voltage
± 20
V
Vi
Input Voltage
Vs
Vi
Differential Input Voltage
± 15
V
Io
Output Peak Current (internally limited)
4
A
Ptot
Power Dissipation at Tcase =75
°C25
W
Tstg,Tj
Storage and Junction Temperature
– 40 to + 150
°C
TDA2040
3/13



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