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Dual SPST Depletion Mode Audio Switch

Obsolete

Overview

The FSA551 is a high-performance dual single-pole single-throw (SPST x 2) audio switch. The Depletion Mode technology allows the device to conduct signals when there is no Vcc available and to isolate signals when Vcc is present. During signal conduction, the Depletion Mode gate control allows the FSA551 to achieve excellent THD+N performance while consuming mimmal power.

  • Media Tablets
  • Mobile Handsets
  • Notebook PC
  • Other Audio & Video
  • Other Consumer Electronics

  • Dual SPST
  • Depletion Mode Technology
  • -3 dB Bandwidth: 240 MHz
  • VCC-OFF: 1.5 V to 3.0 V
  • VCC-ON: 0 V to 0.2 V
  • VSW-OFF: -0.3 V to 3 V
  • VSW-ON: -0.3 V to 3 V
  • RON: 0.38 Î Typical
  • RON Flat: 0.01 Î (Typical)
  • THD+N: 0.0005% (Typical)
  • Fairchild Green, RoHS Compliant, Halogen Free

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CAD Models

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Package Type

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MSL Type

MSL Temp (°C)

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Channels

Number of Switches

Configuration

Icc Max (µA)

ron Max (Ω)

VCC Min (V)

VCC Max (V)

Reference Price

FSA551UCX

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Obsolete

CAD Model

Pb

A

H

P

WLCSP-9

1

260

REEL

3000

N

2

2

SPST

120

0.6

1.5

3

Price N/A

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