MCP42050T-I/ST

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MCP42050T-I/ST

IC DGT POT 50KOHM 256TAP 14TSSOP

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Spécifications

Part Status Active
DigiKey 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

Vue d'ensemble

Description

The MCP42050T-I/ST is a digital potentiometer from Microchip Technology, featuring a dual-channel architecture with a 256-position resolution. It operates using a Serial Peripheral Interface (SPI) for easy integration with microcontrollers. The device is designed for applications such as volume control, biasing, and gain adjustment in various electronic circuits.
Key specifications include a maximum resistance of 50 kΩ per channel, a low power consumption with a wide operating voltage range of 2.7V to 5.5V, and a temperature range suitable for industrial applications. It includes features like a non-volatile memory (EEPROM) that allows it to retain settings after power loss.
The MCP42050T-I/ST is housed in a small 8-pin package, making it suitable for compact designs. Its ability to provide precise resistance adjustments makes it ideal for audio, automotive, and instrumentation applications, enabling designers to implement flexible and programmable control solutions.

Features

The MCP42050T-I/ST is a digital potentiometer featuring the following key attributes:
1. Dual Channel: It includes two independent 50 kΩ resistive digital potentiometers.
2. SPI Interface: Communicates via a Serial Peripheral Interface (SPI), allowing easy integration with microcontrollers.
3. Memory: Each wiper position can be stored, enabling retention of settings after power loss.
4. Resolution: Offers 256 wiper positions for fine adjustment.
5. Low Power Consumption: Operates on a supply voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications.
6. Temperature Range: Rated for industrial applications with an operating temperature range of -40°C to +125°C.
7. Non-volatile: Contains EEPROM memory for wiper settings, ensuring data retention.
8. Low Total Resistance Variation: Ensures accurate and consistent performance across the temperature range.
These features make the MCP42050T-I/ST ideal for applications such as audio control, signal conditioning, and adjustable gain circuits.

Package

The MCP42050T-I/ST is packaged in a 14-lead TSSOP (Thin Shrink Small Outline Package). This surface-mount package type is designed for space efficiency and is commonly used in applications requiring digital potentiometers.

Pinout

The MCP42050T-I/ST is a digital potentiometer with a total of 8 pins. Its pin configuration and functions are as follows:
1. VSS (Pin 1): Ground reference for the device.
2. SDA (Pin 2): Serial Data Input/Output for I²C communication.
3. SCL (Pin 3): Serial Clock Input for I²C communication.
4. CS (Pin 4): Chip Select input to enable the device.
5. Wiper 1 (Pin 5): Connects to the wiper of the first potentiometer (Pot A).
6. Wiper 2 (Pin 6): Connects to the wiper of the second potentiometer (Pot B).
7. A (Pin 7): Connects to the high end of the first potentiometer (Pot A).
8. B (Pin 8): Connects to the low end of the first potentiometer (Pot A).
This device has two digital potentiometers which can be controlled via an I²C interface, allowing for variable resistance applications in electronic circuits.

Manufacturer

The MCP42050T-I/ST is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in embedded control solutions. They provide a wide range of products, including microcontrollers, analog and interface products, memory, and development tools. Founded in 1989, Microchip serves various industries, including automotive, industrial, consumer, and aerospace, focusing on providing high-performance, low-power solutions for a diverse range of applications.

Application

The MCP42050T-I/ST is a digital potentiometer, commonly used in applications such as audio volume control, sensor calibration, gain adjustment, and programmable resistance in circuits. It is suitable for automotive, industrial, and consumer electronics, enabling fine-tuning of parameters in real-time. Its I2C interface allows for easy integration into microcontroller-based systems, facilitating digital control over analog components.

Equivalent

The MCP42050T-I/ST is a dual digital potentiometer with a 256-position wiper. Equivalent products include:
1. MCP4231 - Dual, 256-position, but with EEPROM.
2. MCP41010 - Single, 256-position, non-volatile.
3. AD5206 - Dual, 256-position, similar functionality.
4. DS1803 - Dual, with I2C interface.
Always verify specifications for compatibility in your application.

Expédition

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FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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