MCP40D18T-502E/LT The Microchip Technology MCP40D18T-502E/LT is a 5kΩ digital potentiometer with 128 taps and an I2C interface. It operates within a 1.8V to 5.5V supply range.
Mfr Part #:

MCP40D18T-502E/LT

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP40D18T-502E/LT is a 5kΩ digital potentiometer with 128 taps and an I2C interface. It operates within a 1.8V to 5.5V supply range.
✓ Total Stock: 28,560 pcs
$ Price Range: $1.36

MCP40D18T-502E/LT Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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28,560 pcs
28560 pcs On Request 1 On Request On Request 2020+ On Request On Request

MCP40D18T-502E/LT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Bandwidth
Configuration
Interface
Memory Type
Mounting Type
Number of Circuits
Number of Taps
Operating Temperature
Resistance
Resistance (Ohms)
Resolution
Supplier Device Package
Taper
Temperature Coefficient (Typ)
Tolerance
Voltage

MCP40D18T-502E/LT Description

Short technical summary and product information.

The Microchip Technology MCP40D18T-502E/LT is a 7-bit digital potentiometer offering 128 discrete resistance steps. It supports both potentiometer and rheostat configurations, with a nominal resistance of 5 kΩ and a typical wiper resistance of 100 Ω. The device utilizes an I2C interface for control and operates over a wide voltage range from 1.8V to 5.5V.

 

Designed for flexibility, it features a linear taper and volatile memory for storing wiper settings. The MCP40D18T-502E/LT is housed in a compact SC-70-6 package, making it suitable for space-constrained applications. Its extended operating temperature range of -40°C to +125°C ensures reliability in various environments. Applications include amplifier gain control, sensor calibration, and set point trimming.

 

This digital potentiometer provides a cost-effective replacement for mechanical trim pots, offering precise adjustments through its digital interface. The low static current consumption of 2.5 µA makes it ideal for power-sensitive designs.

MCP40D18T-502E/LT Quick Information

Product Type: Digital Potentiometer
Canonical Name: MCP40D18T-502E/LT Digital Potentiometer, 5 kΩ, 128-Tap, I2C, 1.8V-5.5V, Rheostat Configuration
Subcategory: Digital Potentiometers

MCP40D18T-502E/LT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Lead free

MCP40D18T-502E/LT Estimated Pricing

Qty Low High
1+ $1.36 $1.36

Estimated market price range - modelled values for guidance only, not live distributor offers.

MCP40D18T-502E/LT Features

  • 5 kΩ resistance with 128 steps.
  • I2C serial interface for control.
  • Wide operating voltage from 1.8V to 5.5V.
  • Compact SC-70-6 surface mount package.
  • Extended temperature range of -40°C to +125°C.

MCP40D18T-502E/LT Applications

  • Used for amplifier gain control.
  • Suitable for sensor calibration tasks.
  • Ideal for set point or offset trimming.
  • Cost-effective mechanical trim pot replacement.
  • Applicable in RF amplifier biasing.

MCP40D18T-502E/LT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance of the MCP40D18T-502E/LT digital potentiometer?

The MCP40D18T-502E/LT has a nominal resistance of 5 kΩ.

How many steps or taps does the MCP40D18T-502E/LT offer?

This digital potentiometer provides 128 steps of resolution.

What is the operating voltage range for the MCP40D18T-502E/LT?

The device operates from a supply voltage of 1.8V to 5.5V.

What interface protocol does the MCP40D18T-502E/LT use?

The MCP40D18T-502E/LT uses the I2C interface protocol.

What is the package type for the MCP40D18T-502E/LT?

The MCP40D18T-502E/LT is supplied in an SC-70-6 package.

What is the operating temperature range of the MCP40D18T-502E/LT?

The operating temperature range is -40°C to +125°C.

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