MCP4252-502E/UN

Product Overview

Category

The MCP4252-502E/UN belongs to the category of digital potentiometers.

Use

It is commonly used in electronic circuits for controlling resistance values digitally.

Characteristics

• Digital control of resistance
• Compact package size
• High resolution and accuracy
• Low power consumption
• Wide operating voltage range

Package

The MCP4252-502E/UN is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the MCP4252-502E/UN lies in its ability to provide precise digital control over resistance values, making it suitable for various applications in electronic circuits.

Packaging/Quantity

The MCP4252-502E/UN is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resistance Range: 0Ω to 5kΩ
• Resolution: 8 bits
• Number of Channels: 2
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +125°C
• Interface: SPI (Serial Peripheral Interface)

Detailed Pin Configuration

The MCP4252-502E/UN has a total of 14 pins, which are configured as follows:

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
7. A - Terminal A of channel 1
8. W - Wiper terminal of channel 1
9. B - Terminal B of channel 1
10. H - Terminal H of channel 2
11. W - Wiper terminal of channel 2
12. L - Terminal L of channel 2
13. VSS - Negative power supply voltage
14. VREF - Reference voltage input

Functional Features

• Digital control of resistance values
• Non-volatile memory for storing settings
• Low temperature coefficient
• High reliability and durability
• Easy integration into existing circuits

Advantages and Disadvantages

Advantages

• Precise and accurate resistance control
• Compact size for space-constrained applications
• Low power consumption
• Wide operating voltage range allows for versatile use
• Non-volatile memory ensures settings are retained even when power is disconnected

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers
• Higher cost compared to traditional mechanical potentiometers

Working Principles

The MCP4252-502E/UN operates by utilizing a combination of digital control signals and internal circuitry to adjust the resistance value between its terminals. The digital control signals are received through the SPI interface, which allows for precise and efficient adjustment of the wiper position within the potentiometer.

Detailed Application Field Plans

The MCP4252-502E/UN finds application in various fields, including:

1. Audio equipment: Used for volume control and tone adjustment.
2. Industrial automation: Used for calibration and fine-tuning of control systems.
3. Test and measurement instruments: Used for setting reference resistances and calibrating sensors.
4. Automotive electronics: Used for controlling various parameters in electronic systems.
5. Communication devices: Used for signal conditioning and impedance matching.

Detailed and Complete Alternative Models

1. MCP4131-103E/P - 10kΩ digital potentiometer with 8-bit resolution and single-channel configuration.
2. MCP4161-503E/P - 50kΩ digital potentiometer with 8-bit resolution and single-channel configuration.
3. MCP4251-502E/UN - 5kΩ digital potentiometer with 8-bit resolution and dual-channel configuration.

These alternative models offer similar functionality and can be considered as substitutes for the MCP4252-502E/UN in various applications.

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