MAX5482ETE+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX5482ETE+ belongs to the category of electronic components, specifically integrated circuits (ICs).

Use

This product is primarily used for controlling and adjusting analog signals in various electronic systems.

Characteristics

• The MAX5482ETE+ is a digital potentiometer IC that provides precise resistance adjustment.
• It offers high resolution and low temperature coefficient, ensuring accurate signal control.
• This IC operates over a wide voltage range, making it suitable for diverse applications.
• It features non-volatile memory, allowing it to retain settings even when power is disconnected.

Package and Quantity

The MAX5482ETE+ is available in a small-sized TDFN package, which facilitates easy integration into circuit boards. It is typically sold in reels or tubes containing a specific quantity of units.

Essence

The essence of the MAX5482ETE+ lies in its ability to replace traditional mechanical potentiometers with a more reliable and versatile electronic solution.

Packaging/Quantity

The MAX5482ETE+ is commonly packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: 10-bit
• Supply Voltage Range: 2.7V to 5.5V
• Temperature Coefficient: ±35ppm/°C
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: Single
• Interface: Serial (SPI)
• Resistance Range: 0Ω to 100kΩ
• Non-Volatile Memory: Yes

Detailed Pin Configuration

The MAX5482ETE+ has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. GND: Ground reference
3. CS: Chip select for SPI communication
4. SCLK: Serial clock input for SPI communication
5. SDI: Serial data input for SPI communication
6. SDO: Serial data output for SPI communication
7. RST: Reset pin for restoring default settings
8. NC: No connection (unused pin)
9. W: Wiper terminal of the potentiometer
10. A: Terminal A of the potentiometer
11. B: Terminal B of the potentiometer
12. NC: No connection (unused pin)
13. NC: No connection (unused pin)
14. NC: No connection (unused pin)
15. NC: No connection (unused pin)
16. NC: No connection (unused pin)

Functional Features

• Digital Control: The MAX5482ETE+ allows precise digital control of resistance, enabling accurate adjustment of analog signals.
• Non-Volatile Memory: This IC incorporates non-volatile memory, ensuring that the resistance settings are retained even when power is disconnected.
• Wide Voltage Range: With an operating voltage range of 2.7V to 5.5V, the MAX5482ETE+ can be used in various electronic systems.
• High Resolution: The 10-bit resolution provides fine-grained control over resistance values, resulting in precise signal adjustments.

Advantages and Disadvantages

Advantages

• Replaces Mechanical Potentiometers: The MAX5482ETE+ offers a reliable electronic alternative to traditional mechanical potentiometers, eliminating issues such as wear and tear.
• Accurate Signal Control: With high resolution and low temperature coefficient, this IC ensures accurate adjustment of analog signals.
• Non-Volatile Memory: The non-volatile memory feature allows the MAX5482ETE+ to retain resistance settings, even during power interruptions.

Disadvantages

• Limited Resistance Range: The MAX5482ETE+ has a resistance range of 0Ω to 100kΩ, which may not be suitable for applications requiring higher resistance values.
• Single Channel: This IC provides only a single channel for signal control, limiting its use in applications that require multiple independent adjustments.

Working Principles

The MAX5482ETE+ operates based on the principle of digital potentiometry. It utilizes an array of resistive elements and switches controlled by digital signals to adjust the effective resistance between the A and B terminals. The wiper terminal (W) is connected to the desired point along the resistive array, allowing precise control over the output voltage or current.

Detailed Application Field Plans

The MAX5482ETE+ finds application in various fields where analog signal control is required. Some specific application areas include:

1. Audio Systems: This IC can be used in audio amplifiers and mixers to adjust volume levels and tone controls.
2. Instrumentation: It is suitable for precision measurement instruments, where accurate resistance adjustment is crucial.