MCP45HV31T-503E/ST

Product Overview

Category

The MCP45HV31T-503E/ST belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems that require variable resistance adjustments.

Characteristics

• Digital control interface
• High voltage capability
• Low temperature coefficient
• Wide resistance range
• Compact package size

Package

The MCP45HV31T-503E/ST is available in a small outline transistor (SOT) package.

Essence

This digital potentiometer offers precise and reliable resistance adjustment capabilities, making it suitable for various applications.

Packaging/Quantity

The MCP45HV31T-503E/ST is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Resistance Range: 0Ω to 50kΩ
• Resolution: 256 steps
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The MCP45HV31T-503E/ST has the following pin configuration:

1. VDD - Power supply voltage
2. CS - Chip select input
3. SCK - Serial clock input
4. SDI - Serial data input
5. SDO - Serial data output
6. GND - Ground

Functional Features

• Non-volatile memory for storing wiper position
• Low power consumption
• High reliability and durability
• Fast response time
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Easy integration into existing circuits
• Non-volatile memory ensures settings are retained even after power loss
• Wide operating temperature range allows for use in various environments

Disadvantages

• Limited resistance range compared to some other digital potentiometers
• Requires a microcontroller or digital interface for control

Working Principles

The MCP45HV31T-503E/ST operates by digitally controlling the resistance value using a series of switches. The digital control interface allows for precise adjustments, and the non-volatile memory ensures that the resistance setting is retained even when power is removed.

Detailed Application Field Plans

The MCP45HV31T-503E/ST can be used in various applications, including:

1. Audio equipment: Volume control, tone adjustment
2. Industrial automation: Variable resistance control in machinery
3. Test and measurement instruments: Calibration and fine-tuning
4. Automotive electronics: Sensor calibration, control systems

Detailed and Complete Alternative Models

1. MCP401X - Similar digital potentiometer with a lower resistance range (0Ω to 10kΩ)
2. MCP42XXX - Digital potentiometer series with multiple channels for simultaneous adjustment
3. MCP46XX - Digital potentiometer with higher resolution (1024 steps) and wider resistance range (0Ω to 100kΩ)

These alternative models offer different specifications and features to cater to specific application requirements.

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