FSA8049UCX

$0.22

Mfr：Fairchild Semiconductor
Description：AUDIO/VIDEO SWITCH, PBGA9
Package：Bulk

SKU:96ee0b27a7a4 Category: Audio Special Purpose Brand: Fairchild Semiconductor

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Product introduction

FSA8049UCX is listed in the Audio Special Purpose range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is AUDIO/VIDEO SWITCH, PBGA9. Review the specifications below when checking this part for your BOM.

Audio Special Purpose specifications for FSA8049UCX

Mfr：Fairchild Semiconductor
Description：AUDIO/VIDEO SWITCH, PBGA9
Package：Bulk
Series：-
Function：Detection Switch
Applications：Communication Systems, Consumer Audio
Number of Channels：1
Interface：Logic
Voltage - Supply：2.5V ~ 4.4V
Operating Temperature：-40°C ~ 85°C (TA)
Specifications：4-Pole
Mounting Type：Surface Mount
Package / Case：9-UFBGA, WLCSP
Supplier Device Package：9-WLCSP (1.22x1.22)
Grade：-
Qualification：-

Audio Special Purpose datasheet and documents for FSA8049UCX

FSA8049UCX

Audio Special Purpose Overview

The FSA8049UCX is a 1-channel audio jack detection switch manufactured by onsemi (formerly Fairchild Semiconductor). It detects the insertion of 3-pole or 4-pole audio plugs by sensing GND and MIC positions, automatically routing them to appropriate connections. The device operates within a supply voltage range of 2.5V to 4.4V and is housed in a compact 9-WLCSP package (1.22x1.22 mm). It supports surface mount installation and functions reliably across an operating temperature range of -40°C to +85°C.

Audio Special Purpose Feature Summary

Single-channel audio jack detection switch
Detects 3-pole and 4-pole plug insertion (GND/MIC)
Supply Voltage: 2.5V to 4.4V
Package: 9-WLCSP (1.22x1.22 mm)
Operating Temperature: -40°C to +85°C
Logic Interface

Audio Special Purpose Applications

Communication Systems
Consumer Audio Devices

Audio Special Purpose Procurement Notes

This component is End-of-Life (EOL). onsemi issued a Product Change Notice (PCN) for EOL on December 23, 2021. Distributors may still hold stock, but new production has ceased. Verify RoHS3 compliance via manufacturer declarations.

Explore related parts through Integrated Circuits (ICs), all product categories, ChipApex homepage.

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