參數(shù)資料
型號(hào): LA47501
元件分類: 音頻/視頻放大
英文描述: 29 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25
封裝: HZIP-25
文件頁(yè)數(shù): 4/5頁(yè)
文件大小: 71K
代理商: LA47501
LA47501
No.7872-4/5
Standby switch and muting switch usage methods (for reference purposes)
(1) The amplifier will be on when the standby switch (pin 4) has a voltage of 2V or higher applied, and will be off when
that pin is at the ground level.
Standby pin internal equivalent circuit diagram
(2) Muting will be on when muting switch (pin 22) has a voltage of 1V or lower applied, and will be off when that pin
is open
Muting pin internal equivalent circuit
Muting on/off times for the recommended external
component values
Muting on time : 50ms
Muting off time : 20ms
4
10k
30k
Pin 4 applied voltage – V
Standby pin sink current -- applied voltage
Pin
4
sink
current
m
A
0
0.4
0.3
0.2
0.1
0.5
0.6
1
2
34
56
7
8
VCC = 14.4V
RL = 4
Ta = 25C
Pin 22 applied voltage – V
Muting pin current drain -- applied voltage
Pin
22
current
drain
m
A
50
130
110
90
70
150
170
0
0.4
0.3
0.2
0.1
0.5
0.6
0.7
0.8
0.9
1.0
VCC = 14.4V
RL = 4
Ta = 25C
10k
3.3
F
22
300
VREF
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