MCP4641-503E/ST Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP4641-503E/ST is a dual-channel, 7-bit (128-step) digital potentiometer with 50 kΩ end-to-end resistance from Microchip featuring non-volatile EEPROM memory. It uses an increment/decrement SPI-compatible control interface and is housed in a 14-pin TSSOP package. Ideal for programmable gain, contrast control, and system calibration in consumer and industrial electronics.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- MCP4641-503E/ST Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9390(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP4641-503E/ST?
- Dual-channel 7-bit digital potentiometer with 128 wiper steps
- 50 kΩ end-to-end resistance for wide-range impedance programming
- Non-volatile EEPROM stores wiper position through power cycles
- Increment/decrement SPI-compatible control interface
- 14-pin TSSOP package for compact dual-channel designs
What is MCP4641-503E/ST used for?
The MCP4641-503E/ST is used in applications requiring software-controlled resistance adjustment such as LCD contrast control, programmable amplifier gain setting, and sensor offset calibration. The non-volatile memory ensures the last programmed resistance value is retained after power removal, which is important for set-and-forget calibration scenarios in consumer appliances and industrial instrumentation.
What are the specifications of MCP4641-503E/ST?
| Pbfree Code | Yes |
| Manufacturer Package Code | TSSOP-14 |
| Factory Lead Time | 3Weeks |
| YTEOL | 8 |
| Additional Feature | NON-VOLATILE MEMORY |
| Bandwidth-Nom | 0.2kHz |
| Control Interface | INCREMENT/DECREMENT |
| Converter Type | DIGITAL POTENTIOMETER |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 2 |
| Number of Positions | 129 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Resistance Law | LINEAR |
| Resistance Tolerance-Max | 20% |
| Resistor Terminal Voltage-Max | 5.5V |
| Screening Level | TS 16949 |
| Supply Current-Max | 0.6mA |
| Supply Voltage-Nom | 2.7V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Coefficient-Nom | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| Total Resistance-Nom | 50000Ω |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Philippines, Thailand |
Where can I find the MCP4641-503E/ST datasheet?
MCP4641-503E/ST Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP4641-503E/ST?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the end-to-end resistance of the MCP4641-503E/ST, and how fine is each resistance step?
The MCP4641-503E/ST has a 50 kΩ end-to-end resistance divided into 128 steps, resulting in a step size of approximately 390 Ω per increment. This resolution allows accurate programmable resistance settings across a wide range for gain control, filtering, and calibration circuits.
Does the MCP4641-503E/ST lose its programmed resistance when the board loses power?
No, the MCP4641-503E/ST includes non-volatile EEPROM that retains the programmed wiper position indefinitely after power is removed. On the next power-up the device immediately resumes at the stored resistance value, removing any need for the host processor to reconfigure the potentiometer on every boot cycle.
How does the MCP4641-503E/ST compare to the MCP4242-502E/UN for designs needing higher resistance values?
The MCP4641-503E/ST offers a 50 kΩ end-to-end resistance versus the 5 kΩ of the MCP4242-502E/UN, making it ten times more suitable for high-impedance signal conditioning circuits such as feedback networks in precision op-amp stages or voltage dividers where loading the source signal must be minimized.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.4000 | $1.40 |
| 100+ | $1.0600 | $106.00 |
| 1000+ | $1.0200 | $1020.00 |
| 5000+ | $1.0100 | $5050.00 |
| 5088+ | $0.9480 | $4823.42 |
| 7584+ | $0.9390 | $7121.38 |
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