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TDA7253L 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7253L
功能描述  6W AMPLIFIER WITH MUTING
PDF  8 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7253L 数据表(HTML) 3 Page - STMicroelectronics

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TDA7253L
Table 4. ELECTRICAL CHARACTERISTCS
(Refer to the test and application circuit, VS = 20V; RL = 8Ω; Gv = 30dB; f = 1KHz; Tamb = 25°C unless
otherwise specified).
Note: to avoid pop-on noise
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
10
24
V
VO
Quiescent Output Voltage
9.5
V
Iq
Total Quiescent Current
30
60
mA
PO
Output Power
d = 10%
5
6
W
d = 1%
4
5
W
d
Total Harmonic Distortion
PO = 1W
0.03
0.3
%
RI
Input Resistance
100
200
K
Ω
fL
Low Frequency Roll-off (-3dB)
40
Hz
fH
High Frequency Roll-off (-3dB)
80
KHz
eN
Total Input Noise Voltage
A Curve; RS = 10KΩ
2mV
f = 22Hz to 22KHz; RS = 10KΩ
2.5
10
µV
SVR
Supply Voltage Rejection
RS = 10KΩ; f = 100Hz; Vr = 0.5V
46
60
dB
VTMUTE
Mute Threshold
1
1.6
V
VTPLAY
Play Threshold
4.5
V
AM
Mute Attenuation
80
100
dB
IqMUTE
Quiescent Current Mute
6
10
mA
C
F
C
SVR
--------------
1
≤
Figure 5. Output Power vs. Supply Voltage
Figure 6. Quiescent Current vs. Supply Voltage
Figure 7. Distortion vs Output Power
POUT
(W)
0
8
121620
VS(V)
4
8
12
f = 1KHz
RL = 8
Ω
d = 10%
d = 1%
D02AU1432
Iq
(mA)
20
8
121620
VS(V)
30
25
35
45
40
D02AU1433
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
d%
100m
8
200m 300m
500m700m 1
2
3
4
5 6 7
Pout (W)
f =15KHz
f =1KHz



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