| Part Number | AD8403AR1-REEL | AD8402AR1-REEL | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | Data Acquisition - Digital Potentiometers | Data Acquisition - Digital Potentiometers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Taper | Linear | Linear | 
| Configuration | Potentiometer | Potentiometer | 
| Number of Circuits | 4 | 2 | 
| Number of Taps | 256 | 256 | 
| Resistance (Ohms) | 1K | 1K | 
| Interface | SPI | SPI | 
| Memory Type | Volatile | Volatile | 
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Features | Cascade Pin | - | 
| Tolerance | ±33% | ±33% | 
| Temperature Coefficient (Typ) | 700ppm/°C | 700ppm/°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 24-SOIC | 14-SOIC | 
| Package / Case | 24-SOIC (0.295", 7.50mm Width) | 14-SOIC (0.154", 3.90mm Width) | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Resistance - Wiper (Ohms) (Typ) | 200 | 200 |