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| Part Number | DS3905U-020 | DS3905U-020+ | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Product Status | Obsolete | Active | 
| Taper | Linear | Linear | 
| Configuration | Rheostat | Potentiometer | 
| Number of Circuits | 3 | 3 | 
| Number of Taps | 128 | 128 | 
| Resistance (Ohms) | 20k | 20k | 
| Interface | I²C | I²C | 
| Memory Type | Non-Volatile | Non-Volatile | 
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Features | Selectable Address | Selectable Address | 
| Tolerance | - | - | 
| Temperature Coefficient (Typ) | 123ppm/°C | 123ppm/°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 10-uMAX/uSOP | 10-uMAX/uSOP | 
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Resistance - Wiper (Ohms) (Typ) | - | - |