MCP4131T-103E/MF

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MCP4131T-103E/MF

IC DGT POT 10KOHM 129TAP 8DFN

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Spezifikationen

Part Status Active
DigiKey Programmable Not Verified
Taper Linear
Configuration Potentiometer
Number of Circuits 1
Number of Taps 129
Resistance (Ohms) 10k
Interface SPI
Memory Type Volatile
Voltage - Supply 1.8V ~ 5.5V
Tolerance ±20%
Temperature Coefficient (Typ) 150ppm/°C
Mounting Type Surface Mount
Supplier Device Package 8-DFN (3x3)
Package / Case 8-VDFN Exposed Pad
Operating Temperature -40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ) 75
Base Product Number MCP4131

Übersicht

Description

The MCP4131T-103E/MF is a digital potentiometer from Microchip Technology, designed for applications requiring adjustable resistance with digital control. It features a 256-position wiper and an I²C interface, allowing for easy integration into microcontroller-based systems. The device operates over a supply voltage range of 2.7V to 5.5V, making it suitable for low-voltage applications.
Key specifications include a resistance value of 10 kΩ, with non-volatile memory that retains the wiper position even after power loss, ensuring consistent performance. It has a low-power consumption mode, enhancing battery life in portable devices.
Common applications include volume control, gain adjustment, and sensor calibration in audio equipment, automotive systems, and other embedded systems. The MCP4131T-103E/MF is available in a compact 8-pin MSOP package, facilitating easy placement on printed circuit boards. Overall, this digital potentiometer offers precision, versatility, and convenience for modern electronic designs.

Features

The MCP4131T-103E/MF is a digital potentiometer featuring the following key attributes:
1. Type: Single-channel, 256-position digital potentiometer.
2. Interface: SPI (Serial Peripheral Interface) for easy communication with microcontrollers.
3. Resistance Value: 10 kΩ nominal resistance.
4. Taper: Linear taper, providing a consistent resistance change.
5. Voltage Supply: Operates within a voltage range of 2.7V to 5.5V.
6. Temperature Range: Suitable for operation from -40°C to +125°C.
7. Wiper Positioning: Non-volatile memory for wiper position retention after power loss.
8. Endurance: High endurance with up to 1 million write cycles.
9. Applications: Ideal for applications requiring adjustable resistance, such as volume controls, signal conditioning, and calibration.
Overall, the MCP4131T-103E/MF is designed for flexibility and reliability in electronic circuit applications.

Package

The MCP4131T-103E/MF is packaged in a 14-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The MCP4131T-103E/MF is a digital potentiometer with a total of 8 pins. The pin functions are as follows:
1. VSS: Power supply ground.
2. VDD: Power supply positive voltage.
3. SDA: Serial data input/output for I2C communication.
4. SCL: Serial clock input for I2C communication.
5. CS: Chip select input for enabling the device.
6. A: One end of the resistive element.
7. B: The other end of the resistive element.
8. W: Wiper terminal which provides a variable resistance output based on the digital settings.
This device features a 256-position resolution and is commonly used in applications requiring adjustable resistance, such as volume control or sensor calibration.

Manufacturer

The manufacturer of the MCP4131T-103E/MF is Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in embedded control applications across various industries, including automotive, industrial, consumer electronics, and communications. The company is known for its innovative products, extensive portfolio of microcontrollers and digital signal controllers, and strong emphasis on customer support and design resources. It serves a diverse range of markets, helping engineers and companies develop cutting-edge technologies efficiently and effectively.

Application

The MCP4131T-103E/MF is a digital potentiometer used in various applications, including audio volume control, sensor calibration, adjustable gain settings in amplifiers, and signal processing. It is also suitable for tuning circuits, brightness control in displays, and as a variable resistor in test equipment. Its digital interface allows for precise adjustments in embedded systems and microcontroller-based projects.

Equivalent

Equivalent products to the MCP4131T-103E/MF chip include the MCP4131T-104E/MF, MCP4131T-505E/MF, and the AD5206 series from Analog Devices. These chips are digital potentiometers with similar specifications, such as resistance values, interface, and functionality. Always verify the specific parameters and compatibility for your application before substituting.

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