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MCP4018T-502E/LT

Name: MCP4018T-502E/LT
Rating: 4.7 (12 reviews)

IC DGTL POT 5KOHM 128TAP SC70-6

Производитель
Мфр. Часть #MCP4018T-502E/LT
Пакет SC70-6
Лист данных MCP4018T-502E/LT DataSheet
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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Taper	Linear
Configuration	Potentiometer
NumberofCircuits	1
NumberofTaps	128
Resistance(Ohms)	5k
Interface	I²C
MemoryType	Volatile
Voltage-Supply	1.8V ~ 5.5V
Tolerance	±20%
TemperatureCoefficient(Typ)	150ppm/°C
MountingType	Surface Mount
SupplierDevicePackage	SC-70-6
Package/Case	6-TSSOP, SC-88, SOT-363
OperatingTemperature	-40°C ~ 125°C

Обзор

Description

The MCP4018T-502E/LT is a digital potentiometer manufactured by Microchip Technology. It features a single 256-position resistor network that allows for precise resistance adjustments through a digital interface. The device operates with a voltage supply range of 1.8V to 5.5V, making it suitable for various low-power applications. It uses an I²C interface for communication, allowing for easy integration into microcontroller systems.
This potentiometer is designed for applications such as audio volume control, sensor calibration, and gain adjustment in amplifiers. With a typical resistance of 50kΩ, it provides flexibility in designing circuits that require variable resistance. The MCP4018T also includes features like non-volatile memory, enabling it to retain its settings even after power loss. Its small form factor and low power consumption make it ideal for embedded systems and portable devices. Overall, the MCP4018T-502E/LT is a versatile component for enhancing circuit design and functionality.

Features

The MCP4018T-502E/LT is a digital potentiometer featuring the following key attributes:
1. Resistance Value: 50 kΩ with a tolerable variation.
2. Digital Control: Controlled via a 3-wire SPI interface, enabling precise adjustments.
3. Wiper Position: Supports up to 256 positions, allowing for fine-tuning of resistance.
4. Power Supply: Operates from a 2.7V to 5.5V supply range, making it suitable for various applications.
5. Low Power Consumption: Designed for battery-operated devices with low quiescent current.
6. Temperature Range: Operates effectively over a -40°C to +125°C temperature range.
7. Non-Volatile Memory: Retains the wiper position during power-off, ensuring settings are maintained.
8. Compact Package: Available in a small form factor, ideal for space-constrained designs.
This component is commonly utilized in audio applications, adjustable gain circuits, and other systems requiring variable resistance control.

Package

The MCP4018T-502E/LT is available in a 14-pin TSSOP (Thin Shrink Small Outline Package) type. This compact package design is suitable for surface mounting on PCBs, making it ideal for space-constrained applications.

Pinout

The MCP4018T-502E/LT is a digital potentiometer with a total of 8 pins. Its pin configuration and functions are as follows:
1. VSS (Pin 1): Ground connection.
2. RS (Pin 2): Resistor wiper setting input.
3. W (Pin 3): Wiper output, provides a variable voltage.
4. A (Pin 4): Terminal A of the potentiometer.
5. B (Pin 5): Terminal B of the potentiometer.
6. SCK (Pin 6): Serial clock input for communication.
7. SDI (Pin 7): Serial data input for programming the potentiometer.
8. CS (Pin 8): Chip select input for enabling the device.
This device operates via a 2-wire serial interface, allowing users to adjust resistance settings digitally. The MCP4018 has a resistance value of 50 kΩ.

Manufacturer

The MCP4018T-502E/LT is manufactured by Microchip Technology Inc., a leading semiconductor company. Microchip specializes in microcontrollers, analog and interface products, memory, and other embedded control solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of markets, including automotive, industrial, consumer, and aerospace. The company is known for its commitment to innovation and offers a variety of development tools and services to help engineers design and implement efficient electronic solutions.

Application

The MCP4018T-502E/LT is a digital potentiometer used in various applications, including audio volume control, sensor calibration, signal conditioning, and adjustable gain settings in amplifiers. It is also utilized in automotive systems for user interface adjustments and in consumer electronics for customizable settings. Its integration in microcontroller circuits allows for precise resistance adjustments in embedded systems.

Equivalent

The MCP4018T-502E/LT is a digital potentiometer with a resistance of 500Ω and a 7-bit resolution. Equivalent products include the MCP4017 (different resolution), MCP4131 (I2C interface), and AD5206 (SPI interface). For similar specifications, consider the MAX5470 or MAX5472 from Maxim Integrated. Always verify specific pin configurations and features to ensure compatibility.

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