| DS1855 Description |
| Dual Nonvolatile Digital Potentiometer and Secure Memory |
| DS1855 Vendor |
| Maxim |
| DS1855 Categories |
|
| DS1855 Features |
| Two linear taper potentiometers DS1855-010 (one 10k, 100 position and one 10k, 256 position) DS1855-020 (one 10k, 100 position and one 20k, 256 position) DS1855-050 (one 10k, 100 position and one 50k, 256 position) DS1855-100 (one 10k, 100 position and one 100k, 256 position)256 bytes of EEPROM memoryAccess to data and potentiometer control via a 2-wire interfaceExternal write-protect pin to protect data and potentiometer settingsData and potentiometer settings also can be write-protected through software controlNonvolatile wiper storageOperates from 3V or 5V suppliesPackaging: 14-pin TSSOP, 16-ball STPBGA, flip-chip packageIndustrial operating temperature: -40�C to +85�CProgramming temperature: 0�C to +85�C |
| DS1855 Datasheet and Application Notes |
|
| Parameter | Value |
| Taper | Linear |
| POTs Per Pkg. | 2 |
| Control Interface | 2-Wire Addressable |
| Wiper Memory | Non-Volatile |
| No of Steps | 100+256 |
| End-to-End Resistance (kohms) | 10+10 |
| End-to-End Resistance (kohms) | 10+100 |
| End-to-End Resistance (kohms) | 10+20 |
| End-to-End Resistance (kohms) | 10+50 |
| Res. Tol. (%) | 20 |
| Typ. Temp. Coeff. (ppm/°C) | 750 |
| Typ. Wiper Res. (Ohms) | 250 |
| Supply Voltage (V) | 2.7 to 5.5 |
| Max Idle State Supply Current at 5V (µA) | 60 |
| Package | 14/TSSOP |
| Package | 16/CSBGA-4x4 |
| Package | CSP1845 |