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| Manufacturer | MICROCHIP |
|---|---|
| Manufacturer Part No | MCP4661-503E/STCopy |
| Manufacturer Standard Lead Time | 10 weeks |
| Newark Part No. | 91R1245 |
| Product Range | Dual 257-Tap Non-volatile Digital Pots |
| Your Part Number | |
| Technical Datasheet |
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| Quantity | Price |
|---|---|
| 1+ | $1.530 |
| 10+ | $1.390 |
| 100+ | $1.250 |
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Product Information
| Manufacturer | MICROCHIP |
|---|---|
| Manufacturer Part No | MCP4661-503E/STCopy |
| Manufacturer Standard Lead Time | 10 weeks |
| Newark Part No. | 91R1245 |
| Product Range | Dual 257-Tap Non-volatile Digital Pots |
| Technical Datasheet | |
| Potentiometer Type | Non Volatile |
| End To End Resistance | 50kohm |
| Control Interface | I2C, Serial |
| No. of Pots | Dual |
| Track Taper | Linear |
| Supply Voltage Min | 2.7V |
| Supply Voltage Max | 5.5V |
| Resistance Tolerance | ± 20% |
| IC Case / Package | TSSOP |
| No. of Pins | 14Pins |
| IC Mounting | Surface Mount |
| Potentiometer IC Case Style | TSSOP |
| No. of Steps | 257 |
| Temperature Coefficient | 15ppm/°C |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 125°C |
| Product Range | Dual 257-Tap Non-volatile Digital Pots |
| Qualification | AEC-Q100 |
| Automotive Qualification Standard | AEC-Q100 |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (04-Feb-2026) |
Product Overview
MCP4661-503E/ST isa dual nonvolatile 8-bit potentiometer. WiperLock Technology allows application-specific calibration settings to be secured in the EEPROM.
- I2C control interface, EE memory type, wiperlock technology
- NV Wiper POR wiper setting, 257 number of steps
- Zero-scale to full-scale wiper operation
- Low wiper resistance is 75ohm (typical)
- Automatic recall of saved wiper setting, WiperLock™ Technology
- 10 general purpose memory locations, high-Speed Read/Write to Wiper
- Read/write to EEPROM, write protect to be enabled/disabled
- Resistor network terminal disconnect feature via the terminal control (TCON) register
- Hardware write protect control pin, software write protect configuration bit
- 14-lead TSSOP package, extended temperature range from -40°C to +125°C
Technical Specifications
| Potentiometer Type | Non Volatile |
|---|---|
| Control Interface | I2C, Serial |
| Track Taper | Linear |
| Supply Voltage Max | 5.5V |
| IC Case / Package | TSSOP |
| IC Mounting | Surface Mount |
| No. of Steps | 257 |
| Operating Temperature Min | -40°C |
| Product Range | Dual 257-Tap Non-volatile Digital Pots |
| Automotive Qualification Standard | AEC-Q100 |
| SVHC | No SVHC (04-Feb-2026) |
| End To End Resistance | 50kohm |
|---|---|
| No. of Pots | Dual |
| Supply Voltage Min | 2.7V |
| Resistance Tolerance | ± 20% |
| No. of Pins | 14Pins |
| Potentiometer IC Case Style | TSSOP |
| Temperature Coefficient | 15ppm/°C |
| Operating Temperature Max | 125°C |
| Qualification | AEC-Q100 |
| MSL | MSL 1 - Unlimited |
Technical Docs (3)
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Legislation and Environmental
| US ECCN: | EAR99 |
|---|---|
| EU ECCN: | Unknown |
| RoHS Compliant: | Yes RoHS |
| RoHS Phthalates Compliant: | Yes RoHS |
| SVHC: | No SVHC (04-Feb-2026) |
| Download Product Compliance Certificate | Product Compliance Certificate |
