MCP40D18T-103E/LT The Microchip Technology MCP40D18T-103E/LT is a 7-bit digital potentiometer with 128 steps and 10kΩ resistance. It features an I²C interface and operates over a wide voltage range.
Mfr Part #:

MCP40D18T-103E/LT

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology MCP40D18T-103E/LT is a 7-bit digital potentiometer with 128 steps and 10kΩ resistance. It features an I²C interface and operates over a wide voltage range.
Total Stock: 7,012 pcs
$ Price Range: $1.36

MCP40D18T-103E/LT Available from 2 distributors

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request 19+ On Request On Request
Non-Authorised Inventory information
1,012 pcs
1012 pcs On Request 1 On Request On Request On Request On Request On Request

MCP40D18T-103E/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)
Storage Temperature
Supplier Device Package
Tape & Reel
Taper
Temperature Coefficient (Typ)
Tolerance
Voltage

MCP40D18T-103E/LT Description

Short technical summary and product information.

The MCP40D18T-103E/LT from Microchip Technology is a single-channel digital potentiometer designed for various control applications. It offers a 7-bit resolution, providing 128 discrete steps for precise adjustment.

 

This device features a nominal resistance of 10kΩ with a ±20% tolerance and a linear taper. The wiper resistance is typically 100Ω. It operates using an I²C interface, supporting standard SMBus 2.0 protocols for communication.

 

With a wide operating voltage range of 1.8V to 5.5V, the MCP40D18T-103E/LT is suitable for diverse power supply environments. It includes features like brown-out reset protection and a power-on default wiper setting to mid-scale. The device is available in a compact SC-70-6 package, making it ideal for space-constrained designs.

 

Applications include amplifier gain control, sensor calibration, set point trimming, and cost-sensitive mechanical trim pot replacements. Its extended temperature range of -40°C to +125°C ensures reliable performance in demanding conditions.

MCP40D18T-103E/LT Quick Information

Product Type: Digital Potentiometer
Canonical Name: MCP40D18T-103E/LT Digital Potentiometer
Subcategory: Digital Potentiometers

MCP40D18T-103E/LT Compliance

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

MCP40D18T-103E/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-103E/LT Features

  • 7-bit resolution with 128 steps.
  • 10kΩ nominal resistance, linear taper.
  • I²C serial interface for control.
  • Wide 1.8V to 5.5V operating voltage.
  • Compact SC-70-6 package.

MCP40D18T-103E/LT Applications

  • Amplifier gain control and offset adjustment.
  • Sensor calibration applications.
  • Set point or offset trimming.
  • Cost-sensitive trim pot replacement.
  • LCD brightness and contrast adjustment.

MCP40D18T-103E/LT FAQs

6 frequently asked questions generated from this part’s specifications.
What is the resistance of the MCP40D18T-103E/LT digital potentiometer?

The MCP40D18T-103E/LT has a nominal resistance of 10kΩ.

How many steps does the MCP40D18T-103E/LT offer?

This digital potentiometer offers 128 steps, corresponding to its 7-bit resolution.

What interface does the MCP40D18T-103E/LT use?

The MCP40D18T-103E/LT uses an I²C interface.

What is the operating voltage range for the MCP40D18T-103E/LT?

The device operates over a voltage range of 1.8V to 5.5V.

What is the operating temperature range of the MCP40D18T-103E/LT?

The MCP40D18T-103E/LT can operate in temperatures ranging from -40°C to +125°C.

What package type is the MCP40D18T-103E/LT supplied in?

The MCP40D18T-103E/LT is supplied in a SC-70-6 package.

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