| Part Number | FSA553UCX | FSA550UCX | 
|---|---|---|
| Manufacturer | onsemi | onsemi | 
| Category | Interface - Analog Switches - Special Purpose | Interface - Analog Switches - Special Purpose | 
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| Product Status | Active | Last Time Buy | 
| Applications | Audio | Audio | 
| Multiplexer/Demultiplexer Circuit | 1:1 | - | 
| Switch Circuit | SPST | 4PST | 
| Number of Channels | 2 | 1 | 
| On-State Resistance (Max) | 800mOhm | 800mOhm (Typ) | 
| Voltage - Supply, Single (V+) | 1.5V ~ 3V | 1.6V ~ 3V | 
| Voltage - Supply, Dual (V±) | - | - | 
| -3db Bandwidth | 200MHz | 50MHz | 
| Features | - | - | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 9-UFBGA, WLCSP | 12-UFBGA, WLCSP | 
| Supplier Device Package | 9-WLCSP (1.22x1.22) | 12-WLCSP (1.16x1.56) |