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参数资料
| 型号： | TDA7389 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 28 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25 |
| 封装： | ROHS COMPLIANT, FLEXIWATT-25 |
| 文件页数： | 11/14页 |
| 文件大小： | 190K |
| 代理商： | TDA7389 |
Electrical specifications
TDA7389
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 = 14.4V; f = 1KHz; Rg = 600Ω; RL = 4Ω; Tamb = 25°C; Refer to the test and application
diagram (Figure 14), unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Iq1
Quiescent current
RL = ∞
150
350
mA
VOS
Output offset voltage
Play mode
±80
mV
dVOS
During mute on/off output
offset voltagef
ITU R-ARM weighted
see Figure 13
-10
10
mV
During standby on/off output
offset voltage
-50
50
Gv
Voltage gain
25
26
27
dB
ΔG
v
Channel gain unbalance
±1
dB
Po
Output power
THD = 10 %; VS = 14.4 V
26
28
W
Po max
Max.output power(1)
VS = 14.4 V
41
45
W
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