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| Part Number | MCP4661T-104E/ST | MCP4631T-104E/ST | MCP4641T-104E/ST | MCP4651T-104E/ST | MCP4661-104E/ST | MCP4661T-103E/ST | 
|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Active | Active | Active | Active | Active | Active | 
| Taper | Linear | Linear | Linear | Linear | Linear | Linear | 
| Configuration | Potentiometer | Potentiometer | Potentiometer | Potentiometer | Potentiometer | Potentiometer | 
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 
| Number of Taps | 257 | 129 | 129 | 257 | 257 | 257 | 
| Resistance (Ohms) | 100k | 100k | 100k | 100k | 100k | 10k | 
| Interface | I²C | I²C | I²C | I²C | I²C | I²C | 
| Memory Type | Non-Volatile | Volatile | Non-Volatile | Volatile | Non-Volatile | Non-Volatile | 
| Voltage - Supply | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 
| Features | Mute, Selectable Address | Selectable Address | Selectable Address | Mute, Selectable Address | Mute, Selectable Address | Mute, Selectable Address | 
| Tolerance | ±20% | ±20% | ±20% | ±20% | ±20% | ±20% | 
| Temperature Coefficient (Typ) | 150ppm/°C | 150ppm/°C | 150ppm/°C | 150ppm/°C | 150ppm/°C | 150ppm/°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Supplier Device Package | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 14-TSSOP | 
| Package / Case | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | 
| Resistance - Wiper (Ohms) (Typ) | 75 | 75 | 75 | 75 | 75 | 75 |