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参数资料
| 型号： | TDA7385 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 35 W, 4 CHANNEL, AUDIO AMPLIFIER, PZIP25 |
| 封装： | FLEXIWATT-25 |
| 文件页数： | 14/17页 |
| 文件大小： | 427K |
| 代理商： | TDA7385 |
Electrical specifications
TDA7385
2
Electrical specifications
2.1
Absolute maximum ratings
2.2
Thermal data
2.3
Electrical characteristics
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VS
Operating supply voltage
18
V
VS (DC)
DC supply voltage
28
V
VS (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)
4.5
5.5
A
Ptot
Power dissipation, (Tcase = 70 °C)
80
W
Tj
Junction temperature
150
°C
Tstg
Storage temperature
– 55 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 characteristics
(VS = 14.4 V; f = 1 kHz; Rg = 600 Ω; RL = 4 Ω;Tamb = 25 °C; Refer to the test and application
diagram (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%
THD = 1%
THD = 10%; VS = 13.2V
THD = 1%;
VS = 13.2V
21
16.5
17
14
23
19
20
16
W
Po max.
Max. output power (1)
VS = 14.4V
33
37
W
THD
Distortion
Po = 4W
0.04
0.3
%
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