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MCP41100-E/SN

Name: MCP41100-E/SN
Rating: 4.7 (12 reviews)

IC DGTL POT 100KOHM 256TAP 8SOIC

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資料表 MCP41100-E/SN DataSheet
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規格

Part Status	Active
Base Product Number	MCP41100
DigiKey Programmable	Not Verified
Taper	Linear
Configuration	Potentiometer
Number of Circuits	1
Number of Taps	256
Resistance (Ohms)	100k
Interface	SPI
Memory Type	Volatile
Voltage - Supply	2.7V ~ 5.5V
Tolerance	±30%
Temperature Coefficient (Typ)	800ppm/°C
Mounting Type	Surface Mount
Supplier Device Package	8-SOIC
Package	8-SOIC (0.154", 3.90mm Width)
Operating Temperature	-40°C ~ 125°C
Resistance - Wiper (Ohms) (Typ)	175
Packaging	Tube

概述

Description

The MCP41100-E/SN is a digital potentiometer from Microchip Technology, designed for applications requiring adjustable resistance with precise control. It features a single-channel, 256-position, non-volatile memory (EEPROM) that allows for easy programming of resistance values via a serial SPI interface.
Key specifications include a supply voltage range of 2.7V to 5.5V, a maximum resistance of 100 kΩ, and low power consumption. The MCP41100-E/SN offers a simple solution for volume control, gain adjustment, and other applications where variable resistance is needed without mechanical components. Its non-volatile capability enables it to retain settings even after power loss.
The device also includes features such as programmable wiper positions, an option for hardware shutdown, and multiple devices can be connected on the same SPI bus, allowing for flexibility in design. Overall, the MCP41100-E/SN is an ideal choice for engineers looking to implement digital control in their circuits.

Features

The MCP41100-E/SN is a single digital potentiometer from Microchip Technology, featuring the following key attributes:
1. Resolution: 7-bit or 8-bit resolution, allowing for 128 or 256 discrete wiper positions.
2. Interface: SPI-compatible interface for easy communication with microcontrollers.
3. Supply Voltage: Operates from a single supply voltage ranging from 2.7V to 5.5V.
4. Wiper Resistance: Offers a typical wiper resistance of 50Ω, ensuring minimal signal distortion.
5. Power-On Reset: Automatically resets the wiper position to a predefined state upon power-up.
6. Low Power Consumption: Designed for low-power applications, making it suitable for battery-operated devices.
7. Temperature Range: Operates in an extended temperature range from -40°C to +125°C.
8. Package Options: Available in various packages, including SOIC and TSSOP, facilitating flexible design integration.
These features make the MCP41100-E/SN ideal for applications like volume control, sensor calibration, and signal conditioning.

Package

The MCP41100-E/SN is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package). This compact format is designed for surface mounting, making it suitable for various electronic applications where space-saving is essential.

Pinout

The MCP41100-E/SN is a digital potentiometer with a pin count of 8. Its primary functions include:
1. VDD (Pin 1): Power supply input.
2. VSS (Pin 8): Ground reference.
3. A (Pin 2): Wiper terminal for resistance adjustment.
4. B (Pin 3): Terminal connected to the fixed resistor.
5. SDA (Pin 4): Serial data input/output for I2C communication.
6. SCL (Pin 5): Serial clock input for I2C communication.
7. CS (Pin 6): Chip select input to activate the device.
8. PW (Pin 7): Write protect input to prevent changes to the wiper position.
This device allows for electronic adjustment of resistance values via digital control, making it useful in various applications such as volume control and signal conditioning.

Manufacturer

The MCP41100-E/SN is manufactured by Microchip Technology Inc., a leading provider of microcontroller and analog semiconductor products. Microchip specializes in embedded control solutions, offering a wide range of products that include microcontrollers, digital signal controllers, and various analog devices. Founded in 1989, the company is known for its focus on innovation and customer support, catering to diverse industries such as automotive, industrial, consumer electronics, and communications. Microchip emphasizes reliability and performance in its product offerings, positioning itself as a key player in the semiconductor industry.

Application

The MCP41100-E/SN is a digital potentiometer used in applications such as audio volume control, signal conditioning, sensor calibration, and adjustable gain controls in amplifiers. It is also suitable for tuning circuits, LED brightness control, and in embedded systems requiring precise resistance adjustments. Its SPI interface allows for easy integration into microcontroller-based designs.

Equivalent

The MCP41100-E/SN is a digital potentiometer. Equivalent products include the AD5231, AD5251, and MCP4131. These devices also offer similar functions, such as digital control of resistance and EEPROM memory options. Always verify specifications like resistance range, resolution, and communication protocols for compatibility.