Fairchild FSA8049UCX

检测开关通讯系统，消费类音频1逻辑2.5V ~ 4.4V

Overview

The FSA8049UCX is an audio jack detection switch for 3- or 4-pole accessories. The FSA8049UCX detects the locations of ground (GND) and microphone (MIC) poles on the audio plug and automatically routes them to the appropriate connections. This allows the end user to plug accessories, such as headsets with different audio pole configurations, into the mobile device and have them operate correctly.￭ Detects 3- or 4-pole audio accessories￭ Detects polarity of GND and MIC on 4-pole plugs￭ Automatically routes GND and MIC to audio jack terminals

Features

Bulk Package
With 9-UFBGA, WLCSP channels
operate temperature at the range of -40°C~85°C TA
stay resistance at 4Ohm

Surface Mount Mounting Type

Applications

There are a lot of ON Semiconductor
FSA8049UCX Audio Special Purpose applications.

• Mobile computing
• Portable electronics
• Consumer electronics
• AV/DVD Receiver, AV Amplifier
• Car or Mobile Audio System
• Digital Television
• Musical Instruments
• Recording Systems
• High-End Audio/Sound Card for PC
• Replacement of DIR1703