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參數(shù)資料
| 型號： | TDA7381 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 18 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | FLEXIWATT-25 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 225K |
| 代理商： | TDA7381 |
Electrical specifications
TDA7381
4/13
2
Electrical specifications
2.1
Absolute maximum ratings
2.2
Thermal data
2.3
Electrical characteristcs
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC
Operating supply voltage
18
V
VCC (DC)
DC supply voltage
28
V
VCC (pk)
Peak supply voltage (t = 50 ms)
50
V
IO
Output peak current:
Repetitive (duty cycle 10 % at f = 10 Hz)
Non repetitive (t = 100
μs)
3
4
A
Ptot
Power dissipation, (Tcase = 70 °C)
80
W
Tj
Junction temperature
150
°C
Tstg
Storage temperature
-40 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
Value
Unit
Rth j-case Thermal resistance junction to case
max.
1
°C/W
Table 4.
Electrical characteristcs
(VS = 14.4 V; f = 1 kHz; Rg = 600 Ω; RL = 4 Ω; Tamb = 25 °C; Refer to the test and application
circuit (Figure 3), unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Iq1
Quiescent current
180
300
mA
VOS
Output offset voltage
100
mV
Gv
Voltage gain
25
26
27
dB
Po
Output power
THD = 10 %
16.5
18
W
THD = 1 %
13
14
W
THD = 10 %; VS = 13.2 V
13.5
15
W
THD = 1 %; VS = 13.2 V
11
12
W
Po EIAJ
EIAJ output power (1)
EIAJ (VS = 13.7 V)
23
25
W
Po max
Max. output power (1)
VS = 13.7 V
28
30
W
THD
Distortion
Po = 4 W
0.04
0.3
%
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