| Part Number | ISL23348WFRZ-TK | ISL23348UFRZ-TK | 
|---|---|---|
| Manufacturer | Intersil | Renesas Electronics America Inc | 
| Category | Data Acquisition - Digital Potentiometers | Data Acquisition - Digital Potentiometers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Taper | Linear | Linear | 
| Configuration | Potentiometer | Potentiometer | 
| Number of Circuits | 4 | 4 | 
| Number of Taps | 128 | 128 | 
| Resistance (Ohms) | 10k | 50k | 
| Interface | I²C | I²C | 
| Memory Type | Volatile | Volatile | 
| Voltage - Supply | 1.2V ~ 5.5V, 1.7V ~ 5.5V | 1.2V ~ 5.5V, 1.7V ~ 5.5V | 
| Features | Selectable Address | Selectable Address | 
| Tolerance | ±20% | ±20% | 
| Temperature Coefficient (Typ) | 125ppm/°C | 65ppm/°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Supplier Device Package | 20-QFN (3x4) | 20-QFN (3x4) | 
| Package / Case | 20-VFQFN Exposed Pad | 20-VFQFN Exposed Pad | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | 
| Resistance - Wiper (Ohms) (Typ) | 70 | 70 |