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FSA550: 4PST Depletion Mode Isolation Switch
The FSA550 is a high-performance four-pole single-throw (4PST) normally closed Depletion-Mode isolation switch. The Depletion Mode technology allows the device to conduct signals when there is no VCC available and to isolate the signals when VCC is present.
The FSA550 operates on a wide VCC range for design flexibility. Additionally, select pins allow the internal oscillator frequency to be adjusted between 500 kHz and 750 kHz in 75 kHz steps when VCC is present. This feature is used to shift the electromagnetic interference (EMI) signature to meet customer specifications.
| FSA550 Datasheet |
Features
- 4PST (NC)
- Depletion Mode MOSFETs
- Audio Frequency Range
- VCC(OFF): 1.6 V to 3.0 V
- RON: 0.8 Ω Typical
- RON Flat: 0.01 Ω Typical
- THD+N: 0.002% Typical
- Eco Status: Fairchild Green, RoHS Compliant, Halogen Free
| Product | Product & Eco Status | Unit Price/1K Order | Packing Method Convention | Package Marking Convention* |
|---|---|---|---|---|
| FSA550UCX | Full Production Green as of Feb 2012 China RoHS | $0.8996 | WL-CSP 12L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1M4&K
Line 2&. (Pin One) |
| FSA550BUCX | Full Production Green as of Nov 2013 China RoHS | $0.8996 | WL-CSP 12L
-
0.625 x 0 x 0mm,
TAPE REEL
| Line 1M4&K
Line 2&. (Pin One) |
- WL-CSP 12L Drawing Last Update: Jan 2015
- WLCSP 1.0x1.5,1.2x1.6 Packing Drawing Last Update: Jan 2016
- WLCSP Tape and Reel Packing Drawing Last Update: Jun 2016
