參數(shù)資料
型號: LA7471M
廠商: Sanyo Electric Co.,Ltd.
英文描述: Two-Channel Microphone Amplifier for Video Camera(用于立體聲攝像機的2通道擴音器放大器)
中文描述: 雙通道視頻攝像機麥克風放大器(用于立體聲攝像機的2通道擴音器放大器)
文件頁數(shù): 8/10頁
文件大?。?/td> 180K
代理商: LA7471M
Continued from preceding page.
Unit (resistance:
)
No. 4488-8/10
LA7471M
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Pin No.
Function
Internal Circuit
DC Voltage
Description
16
17
18
19
28
36
29
EXT V
CC
HPF DET
BIAS
EXT MIC mono
Mic AMP out
Input select
CTL2
2.1 V
2.1 V
External power supply with current limiter
Capable of providing at least 4 V when an output
current is 25 mA.
When the output voltage is 0 V, the output current is
less than 25 mA.
Detects the level used to turn the high-pass filter on
and off.
Reference voltage
Outputs a low level only when the external
microphone is monophonic.
Microphone amplifier output
This is a low-impedance output.
Internal/external switch
Control pin used to determine stereo or monophonic
operation
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