| PartNumber | DS1859B-050+ | DS1859B-020 | DS1859B-020+ |
| Description | Digital Potentiometer ICs Dual Temp-Controlled Resistors | Digital Potentiometer ICs Dual, Temperature-Controlled Resistors with Internally Calibrated Monitors | Digital Potentiometer ICs Dual Temp-Controlled Resistors |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | Digital Potentiometer ICs | Digital Potentiometer ICs | Data Acquisition - Digital Potentiometers |
| RoHS | Y | N | - |
| Series | DS1859B | DS1859B | - |
| Resistance | 50 kOhms | 20 kOhms | - |
| Number of POTs | Dual | Dual | - |
| Taps per POT | 256 | 256 | - |
| Wiper Memory | Non Volatile | Non Volatile | - |
| Digital Interface | Serial (2-Wire) | Serial (2-Wire) | - |
| Operating Supply Voltage | 3.3 V, 5 V | 3.3 V, 5 V | - |
| Operating Supply Current | 2 mA | 2 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 95 C | + 95 C | - |
| Mounting Style | PCB Mount | PCB Mount | - |
| Package / Case | CSBGA-16 | CSBGA-16 | - |
| Taper | Linear | Linear | Linear |
| Packaging | Tray | - | Tray Alternate Packaging |
| Height | 1.01 mm | 1.01 mm | - |
| Length | 4 mm | 4 mm | - |
| Supply Type | Single | Single | - |
| Termination Style | SMD/SMT | SMD/SMT | - |
| Width | 4 mm | 4 mm | - |
| Brand | Maxim Integrated | Maxim Integrated | - |
| Moisture Sensitive | Yes | Yes | - |
| Product Type | Digital Potentiometer ICs | Digital Potentiometer ICs | - |
| Factory Pack Quantity | 810 | 1 | - |
| Subcategory | Digital Potentiometer ICs | Digital Potentiometer ICs | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 2.85 V | 2.85 V | - |
| Part # Aliases | 90-1859B+050 DS1859B | 90-1859B-020 DS1859B | - |
| Package Case | - | - | 16-LBGA, CSPBGA |
| Operating Temperature | - | - | -40°C ~ 95°C |
| Features | - | - | Selectable Address |
| Interface | - | - | I2C |
| Voltage Supply | - | - | 2.85 V ~ 5.5 V |
| Supplier Device Package | - | - | 16-CSBGA (4x4) |
| Number of Circuits | - | - | 2 |
| Configuration | - | - | Potentiometer |
| Number of Taps | - | - | 256 |
| Resistance Ohms | - | - | 20k |
| Memory Type | - | - | Non-Volatile |
| Tolerance | - | - | - |
| Temperature Coefficient Typ | - | - | 50 ppm/°C |
| Resistance Wiper Ohms Typ | - | - |