| Part Number | ISL23348TFRZ-T7A | ISL23448TFRZ-T7A | 
|---|---|---|
| Manufacturer | Intersil | Intersil | 
| Category | Data Acquisition - Digital Potentiometers | Data Acquisition - Digital Potentiometers | 
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| Product Status | Obsolete | Obsolete | 
| Taper | Linear | Linear | 
| Configuration | Potentiometer | Potentiometer | 
| Number of Circuits | 4 | 4 | 
| Number of Taps | 128 | 128 | 
| Resistance (Ohms) | 100k | 100k | 
| Interface | I²C | SPI | 
| 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 | Cascade Pin | 
| Tolerance | ±20% | ±20% | 
| Temperature Coefficient (Typ) | 45ppm/°C | 45ppm/°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 | 580 |