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| Part Number | FSA8028UMX | FSA8029UMX | FSA8008UMX | 
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | 
| Product Status | Active | Active | Active | 
| Function | Detection Switch | Detection Switch | Detection Switch | 
| Applications | Communication Systems, Consumer Audio | Communication Systems, Consumer Audio | Communication Systems, Consumer Audio | 
| Number of Channels | 1 | 1 | 1 | 
| Interface | - | Logic | Logic | 
| Voltage - Supply | 2.5V ~ 4.4V | 2.5V ~ 4.3V | 2.5V ~ 4.4V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C | 
| Specifications | - | 4-Pole | - | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 10-UFQFN | 10-UFQFN | 10-UFQFN | 
| Supplier Device Package | 10-UMLP (1.4x1.8) | 10-UMLP (1.8x1.4) | 10-UMLP (1.4x1.8) |