LA7471M中文資料三洋數(shù)據手冊PDF規(guī)格書

Overview

The LA7471M is a stereo microphone amplifier for use in video camera products. It includes an automatic wind noise detection and removal circuit, an equalization circuit to compensate for microphone frequency characteristics and an L/R mixing circuit to provide a good stereo image. The LA7471M provides high quality audio for video camera applications.

Features

? Automatic wind noise detection and exclusion circuit (The high-pass filter provides a first-order to third-order linear conversion.)

? High-quality audio (low noise, microphone frequency characteristic compensation, and stereo enhancement)

Functions

? Microphone amplifier (two channels)

? Internal/external microphone switching

? Automatic wind noise detection/prevention circuit

? High-pass filter and disable switch

? Internal microphone power supply

? External microphone power supply (with current limiter)

? Ripple filter

? Stereo/mono detection for external microphones