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参数资料
| 型号： | TDA7388 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 26 W, 1 CHANNEL, AUDIO AMPLIFIER, PZIP25 |
| 封装： | ROHS COMPLIANT, FLEXIWATT-25 |
| 文件页数： | 8/11页 |
| 文件大小： | 134K |
| 代理商： | TDA7388 |
Electrical specifications
TDA7388
Doc ID 14256 Rev 2
2
Electrical specifications
2.1
Absolute maximum ratings
2.2
Thermal data
2.3
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 2), unless otherwise specified.
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 s)
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
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Iq1
Quiescent current
RL = ∞
120
190
350
mA
VOS
Output offset voltage
Play mode
-
±100
mV
dVOS
During mute ON/OFF output
offset voltage
ITU R-ARM weighted
-80
-
+80
mV
Gv
Voltage gain
-
25
26
27
dB
Po
Output power
THD = 10 %; VS = 14.4 V
22
26
-
W
Po max
Max.output power(1)
VS = 14.4 V
37
41
-
W
THD
Distortion
Po = 4 W
-
0.04
0.15
%
eNo
Output noise
"A" Weighted
-
50
70
V
Bw = 20 Hz to 20 kHz
-
70
100
V
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