MCP45HV51-503E/MQ

Product Overview

Category

The MCP45HV51-503E/MQ belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and system calibration, as well as in applications where precise resistance adjustments are required.

Characteristics

• Digital control interface
• High voltage capability
• Low temperature coefficient
• Wide resistance range
• Non-volatile memory
• Small package size

Package

The MCP45HV51-503E/MQ is available in a compact QFN package.

Essence

This digital potentiometer offers a versatile and efficient solution for resistance adjustment in various electronic systems.

Packaging/Quantity

The MCP45HV51-503E/MQ is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resistance Range: 50 kΩ
• Resolution: 8 bits
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)
• Non-Volatile Memory: Yes

Detailed Pin Configuration

The MCP45HV51-503E/MQ features a standard pin configuration with the following pins:

1. VDD - Power supply voltage input
2. VSS - Ground reference
3. CS - Chip select input
4. SCK - Serial clock input
5. SDI - Serial data input
6. SDO - Serial data output
7. WP - Write protect input
8. HIZ - High impedance output

Functional Features

• Digital control allows for precise resistance adjustments.
• High voltage capability enables usage in a wide range of applications.
• Non-volatile memory ensures that resistance settings are retained even when power is disconnected.
• Low temperature coefficient ensures stable performance across varying temperatures.
• Small package size allows for space-efficient integration into electronic systems.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Wide range of applications
• Retains settings without power
• Stable performance across temperatures
• Compact size

Disadvantages

• Limited resolution (8 bits)
• Requires SPI interface for control

Working Principles

The MCP45HV51-503E/MQ operates by digitally controlling the resistance value using an internal digital-to-analog converter (DAC). The desired resistance is set through the SPI interface, which communicates with the potentiometer. The non-volatile memory ensures that the resistance setting is retained even when power is disconnected.

Detailed Application Field Plans

The MCP45HV51-503E/MQ finds applications in various fields, including:

1. Audio equipment: Precise volume control in amplifiers and audio mixers.
2. Industrial automation: Calibration of sensors and actuators.
3. Automotive electronics: Adjustment of resistance values in automotive systems.
4. Test and measurement instruments: Fine-tuning of circuit parameters during testing.
5. Communication systems: Control of signal levels in transceivers and modems.

Detailed and Complete Alternative Models

1. MCP41HV51-503E/MQ: Similar to MCP45HV51-503E/MQ but with a lower resistance range (50 Ω).
2. MCP46HV51-503E/MQ: Similar to MCP45HV51-503E/MQ but with a higher resolution (10 bits).

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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