LA7471 查看數據表（PDF） - SANYO -> Panasonic

零件编号

产品描述 (功能)

生产厂家

LA7471

Two-Channel Microphone Amplifier for Video Camera

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

Function

16

EXT VCC

LA7471M

Internal Circuit

DC Voltage

Unit (resistance: Ω)

Description

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.

17 HPF DET

Detects the level used to turn the high-pass filter on

and off.

18 BIAS

2.1 V

Reference voltage

19 EXT MIC mono

28

Mic AMP out

36

29

Input select

CTL2

Outputs a low level only when the external

microphone is monophonic.

2.1 V

Microphone amplifier output

This is a low-impedance output.

Internal/external switch

Control pin used to determine stereo or monophonic

operation

Continued on next page.

No. 4488-8/10

Share Link: