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TDA7253 数据表(PDF) 3 Page - STMicroelectronics

部件名 TDA7253
功能描述  8W AMPLIFIER WITH MUTING
PDF  5 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7253 数据表(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (Refer to the test and application circuit, VS = 26V; RL =8Ω;
Gv = 30dB; f = 1KHz; Tamb =25
°C unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage
10
32
V
VO
Quiescent Output Voltage
12.5
V
Iq
Total Quiescent Current
40
mA
PO
Output Power
d = 10%
d= 1%
810
8
W
W
d
Total Harmonic Distortion
PO = 1W
0.03
%
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 = 10K
Ω
2mV
f = 22Hz to 22KHz; RS = 10K
Ω
2.5
10
µV
SVR
Supply Voltage Rejection
RS = 10K
Ω; f = 100Hz; Vr = 0.5V
60
dB
VTMUTE
Mute Threshold
0.8
V
VTPLAY
Play Threshold
5
V
AM
Mute Attenuation
80
100
dB
IqMUTE
Quiescent Current Mute
7
10
mA
Note: to avoid pop-on noise
CF
CSVR
≤ 1
Figure 1: Output Power vs. Supply Voltage
8
12
16
20
24
28
Vs(V)
D94AU131
20
25
30
35
40
45
Iq
(mA)
Figure 2: Quiescent Current vs. Supply Voltage
THERMAL DATA
Symbol
Parameter
Value
Unit
Rth j-case
Thermal resistance junction to case
Max
3
°C/W
TDA7253
3/5



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