MCP42050T-I/ST

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MCP42050T-I/ST

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IC DGT POT 50KOHM 256TAP 14TSSOP

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Attribut Wert
Part Status Active
Digi Key Programmable Not Verified
Taper Linear
Configuration Potentiometer
Number of Circuits 2
Number of Taps 256
Resistance (Ohms) 50k
Interface SPI
Memory Type Volatile
Voltage - Supply 2.7V ~ 5.5V
Features Cascade Pin
Tolerance ±30%
Temperature Coefficient (Typ) 800ppm/°C
Mounting Type Surface Mount
Supplier Device Package 14-TSSOP
Package / Case 14-TSSOP (0.173", 4.40mm Width)
Operating Temperature -40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ) 175
Base Product Number MCP42050

Übersicht

Description

The MCP42050T-I/ST is a digital potentiometer from Microchip Technology. It features a 50 kΩ resistance and comes in a 10-pin MSOP package. This device can be controlled via a Serial Peripheral Interface (SPI), allowing for precise adjustments of resistance in various applications, such as audio volume control, sensor calibration, and signal conditioning.
The MCP42050T-I/ST includes two independent potentiometer channels, each capable of up to 256 tap settings, providing fine control over the output resistance. Its non-volatile memory allows for settings to be retained even after power loss, making it suitable for applications requiring consistent performance.
Key features include a low power consumption mode and a wide operating voltage range, typically between 2.7V and 5.5V. The MCP42050T-I/ST is ideal for systems requiring programmable gain or attenuation and enhances flexibility in circuit design. Its robust performance and ease of integration make it a popular choice among engineers for various electronic projects.

Equivalent

The MCP42050T-I/ST is a dual digital potentiometer with a 50kΩ resistance. Equivalent products include the AD5206 (dual, 100kΩ), DS1803 (dual, 100kΩ), and MCP4231 (dual, 100kΩ). For specific features like interface type (SPI or I2C) and resistance values, check datasheets for compatibility.

Features

The MCP42050T-I/ST is a dual digital potentiometer from Microchip Technology, featuring a 256-position wiper with a non-volatile memory option. Key features include:
1. Dual Channels: Two independent potentiometers in a single package.
2. Digital Interface: SPI-compatible interface for easy integration with microcontrollers.
3. Non-Volatile Memory: Retains wiper position during power loss, ensuring settings are preserved.
4. Single Supply Voltage: Operates from 2.7V to 5.5V, making it versatile for various applications.
5. Low Power Consumption: Suitable for battery-operated devices.
6. Wiper Modes: Supports various wiper configurations, including variable resistor or rheostat mode.
7. Temperature Range: Industrial grade, operating from -40°C to +125°C.
8. Package Options: Available in different packages, including TSSOP and SOIC.
These features make the MCP42050T-I/ST ideal for applications in audio volume control, sensor calibration, and other adjustable signal applications.

Pinout

The MCP42050T-I/ST is a digital potentiometer with a pin count of 8. It features two programmable resistive elements (each 50 kΩ) and includes a dual-channel configuration.
Pin Functions:
1. VDD (Pin 1): Power supply.
2. VSS (Pin 2): Ground.
3. SCK (Pin 3): Serial clock input for SPI communication.
4. SDI (Pin 4): Serial data input for programming the potentiometer.
5. CS (Pin 5): Chip select for enabling the device.
6. Wiper A (Pin 6): Wiper terminal for the first potentiometer.
7. Wiper B (Pin 7): Wiper terminal for the second potentiometer.
8. A/B (Pin 8): Selects the resistive element to be controlled.
This component supports various applications including volume control, tone control, and calibration adjustments in electronic devices.

Manufacturer

The MCP42050T-I/ST is manufactured by Microchip Technology Inc., a leading semiconductor company. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in microcontrollers, memory, and analog and interface products. The company is known for its focus on providing innovative technology solutions for various applications, including automotive, industrial, consumer, and communications sectors. Microchip offers a wide range of products, including programmable microcontrollers, digital signal controllers, and related development tools, catering to versatile design needs in embedded systems. They emphasize customer support and extensive design resources, making them a key player in the semiconductor industry.

Application

The MCP42050T-I/ST is a dual digital potentiometer commonly used in various applications including:
1. Audio Equipment: Volume control and tone adjustment.
2. Sensor Calibration: Fine-tuning sensor outputs in measurement systems.
3. Adjustable Gain Amplifiers: Setting variable gain in analog circuits.
4. Consumer Electronics: User interface controls like brightness, contrast, and temperature settings.
5. Automotive Applications: Control systems for infotainment and dashboard displays.
6. Embedded Systems: Used in microcontroller projects for digital control of analog signals.
Its programmable features make it suitable for automatic and remote adjustments in these applications.

Package

The MCP42050T-I/ST is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package) form factor. This package type is designed for compact applications and provides good thermal performance and electrical characteristics.

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