FSA223 FAIRCHILD | Alldatasheet

Document overview

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Technical content

Features

ƒ HS-USB: 4Ω Typical On Resistance ƒ HS-USB: 4.5pF Typical On Capacitance ƒ Audio: 3Ω Typical On Resistance ƒ -3db Bandwidth: > 720MHz ƒ Low Power Consumption ƒ Power-off Protection on Common D+/R, D-/L Ports ƒ Automatically Detects VCC for Switch Path Selection

Applications

ƒ Cell Phone, PDA, Digital Camera, and Notebook ƒ LCD Monitor, TV, and Set-Top Box Related Resources ƒ Please refer to tape and reel specifications on www.fairchildsemi.com; http://www.fairchildsemi.com/packaging.

Description

The FSA223 is a Double-Pole, Double Throw (DPDT) multiplexer that combines a low-distortion audio and a USB2.0 High-Speed (HS) switch path. This configuration enables audio and USB data to share a common connector port. The architecture is designed to allow both audio and USB signals to swing below ground. This means a common USB and headphone jack can be used for personal media players and portable peripheral devices. Since USB2.0 is an industry standard for shared data- path in portable devices, the FSA223 also incorporates a V CC detection capability. The FSA223 includes a power-off feature to minimize current consumption when V CC is not present. This power-off circuitry is available for the common D+/R, D-/L ports only. Typical applications involve switching in portables and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers. IMPORTANT NOTE: For additional performance information, please contact analogswitch@fairchildsemi.com.

Ordering Information

FSA223L10X MAC010A GN Yes 10-Lead MicroPak™, JEDEC MO-255, 1.6 x 2.1mm FSA223MUX MUA010A FSA223 Yes 10-Lead MSOP, JEDEC MO-187, 3.0mm Wide FSA223UMX MLP010A GP Yes 10-Lead Quad, Ultrathin MLP, 1.4 x 1.8mm VCC VAudio Switch Select Control Circuitry D+/R D-/L ASel Rpd GNDD+ R L Figure 1. FSA223 Analog Symbol

CONFIDENTIAL AND PROPRIETARY — DO NOT DISTRIBUTE © 2007 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA223 Rev. 1.0.1 16 FSA223 — USB2.0 High-Speed (480Mbps) and Audio Switches with Negative Signal Capability