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参数资料
| 型号： | TDA7391 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 32 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM11 |
| 封装： | MULTIWATT-11 |
| 文件页数： | 3/8页 |
| 文件大小： | 117K |
| 代理商： | TDA7391 |
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VS
DC Supply Voltage
28
V
VOP
Operating Supply Voltage
18
V
VPEAK
Peak Supply Voltage (t = 50ms)
50
V
IO
Output Peak Current repetitive (f > 10Hz)
Output Peak Current non repetitive
4.5
6
A
Ptot
Power Dissipation (TCASE =85
°C)
43
W
Tstg,Tj
Storage and Junction-Case Temperature
-40 to 150
°C
ELECTRICAL CHARACTERISTICS (VS = 14.4V; RL =4
, f = 1KHz, Tamb =25°C, unless otherwise
specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VS
Supply Voltage Range
8
18
V
Iq
Total Quiescent Current
60
150
mA
VOS
Output Offset Voltage
120
mV
ISB
ST-BY Current
VST-BY = 1.5V
100
A
ISBin
ST-BY Input Bias Current
VST-BY =5V
10
A
VSBon
ST-BY On Threshold Voltage
1.5
V
VSBoff
ST-BY Off threshold Voltage
3.5
V
ATTST-BY
ST-BY Attenuation
90
dB
IMin
Mute Input Bias Current
(VMUTE = 5V)
10
A
AM
Mute Attenuation
90
dB
PO
Output Power
d = 10%
d= 1%
d = 10%; RL = 3.2
20
26
21
32
W
PO EIAJ
EIAJ Output Power (*)
VS = 13.7V; RL = 3.2
40
W
PO MAX
MAX Output Power (*)
VS = 14.4V; RL = 3.2
45
W
d
Distortion
PO = 0.1 to 15W
0.06
0.03
%
GV
Voltage Gain
29.5
30
30.5
dB
fH
High Frequency rolloff
PO = 1W; -3dB
75
KHz
RIN
Input Impedance
Differential
36
60
K
Single Ended
30
55
K
EIN
Input Noise Voltage
Rg =0
;f = 22Hz to 22KHz
4
mV
CMRR
Input Common Mode Rejection
f = 1KHz; VIN = 1Vrms
65
dB
SVR
Supply Voltage Rejection
Rg =0
;Vr = 1Vrms
60
dB
CDL
Clipping Detection Level
5
10
15
%
Tsd
Absolute Thermal Shutdown
Junction Temperature
160
°C
(*) Saturated sqare wave output.
TDA7391
3/8
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