MCP45HV51T-104E/ST

Product Overview

Category

The MCP45HV51T-104E/ST belongs to the category of digital potentiometers.

Use

It is primarily used for electronic circuitry and systems that require adjustable resistance values.

Characteristics

• Digital control interface
• High voltage capability
• Low power consumption
• Compact package size
• Wide operating temperature range

Package

The MCP45HV51T-104E/ST is available in a small outline transistor (SOT) package.

Essence

This digital potentiometer provides a versatile and efficient solution for adjusting resistance values in various electronic applications.

Packaging/Quantity

The MCP45HV51T-104E/ST is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Resistance Range: 10 kΩ
• Number of Channels: Single channel
• Interface Type: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7 V to 5.5 V
• Operating Temperature Range: -40°C to +125°C
• Resolution: 8 bits
• End-to-End Resistance Tolerance: ±20%
• Non-Volatile Memory: Yes

Detailed Pin Configuration

The MCP45HV51T-104E/ST has the following pin configuration:

1. VDD: Power supply voltage input
2. CS: Chip select input
3. SCK: Serial clock input
4. SI: Serial data input
5. SO: Serial data output
6. GND: Ground connection

Functional Features

• Digital control allows precise adjustment of resistance values.
• High voltage capability enables usage in a wide range of applications.
• Low power consumption ensures energy efficiency.
• Non-volatile memory retains settings even when power is disconnected.
• SPI interface facilitates easy integration into existing systems.

Advantages and Disadvantages

Advantages

• Precise resistance adjustment
• Wide operating temperature range
• Compact package size
• Non-volatile memory for retaining settings

Disadvantages

• Limited resolution (8 bits)
• End-to-end resistance tolerance of ±20%

Working Principles

The MCP45HV51T-104E/ST operates by digitally controlling the resistance value using an SPI interface. The digital potentiometer consists of a series of resistive elements that can be adjusted electronically. When the control signals are applied, the resistance value changes accordingly, allowing precise adjustment of the output voltage or current in electronic circuits.

Detailed Application Field Plans

The MCP45HV51T-104E/ST finds applications in various fields, including:

1. Audio Equipment: It can be used to adjust volume levels and tone controls in audio amplifiers and mixers.
2. Industrial Automation: It is suitable for calibrating sensors and controlling variable parameters in industrial automation systems.
3. Test and Measurement Instruments: It can be utilized for fine-tuning signal generators, oscilloscopes, and other test equipment.
4. Automotive Electronics: It finds application in automotive systems for adjusting lighting intensity, fan speed, and other variable parameters.
5. Communication Systems: It can be employed in communication devices to control signal strength and filter characteristics.

Detailed and Complete Alternative Models

1. MCP401X: This series offers similar functionality with different resistance ranges and package options.
2. AD840X: Analog Devices' digital potentiometer series provides alternative options with higher resolution and lower resistance values.
3. MAX548X: Maxim Integrated's digital potentiometers offer comparable features with additional integrated functions.

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