MAX5418PETA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Electronic Component
• Use: Digital Potentiometer
• Characteristics: High precision, low power consumption, compact size
• Package: TQFN-16
• Essence: MAX5418PETA+ is a digital potentiometer designed for precise and efficient control of resistance in electronic circuits.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Resolution: 256 taps
• Resistance Range: 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C-compatible

Detailed Pin Configuration

1. VDD: Supply voltage input
2. SDA: Serial data input/output
3. SCL: Serial clock input
4. GND: Ground connection
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. NC: No connection
8. NC: No connection
9. W: Wiper terminal
10. B: Terminal B
11. A: Terminal A
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. VSS: Negative supply voltage input

Functional Features

• High precision digital potentiometer with 256 taps for fine-grained resistance control.
• Low power consumption, making it suitable for battery-powered applications.
• Compact size allows for easy integration into space-constrained designs.
• I2C-compatible interface enables simple and flexible communication with microcontrollers.

Advantages

• Precise resistance control allows for accurate adjustment of circuit parameters.
• Low power consumption extends battery life in portable devices.
• Compact size enables integration into small form factor designs.
• I2C interface simplifies communication with microcontrollers.

Disadvantages

• Limited resistance range of 10kΩ may not be suitable for all applications.
• Requires an external microcontroller or I2C master for control.

Working Principles

The MAX5418PETA+ operates by digitally controlling the resistance between terminals A and B. It utilizes a series of switches to create a network of resistors, which can be selectively connected to achieve the desired resistance value. The digital potentiometer is controlled via the I2C interface, allowing for precise adjustment of the wiper position and thus the resistance.

Detailed Application Field Plans

The MAX5418PETA+ finds applications in various fields, including: 1. Audio equipment: Precise volume control in amplifiers and audio mixers. 2. Industrial automation: Resistance adjustment in control systems and instrumentation. 3. Test and measurement: Calibration and fine-tuning of test equipment. 4. Consumer electronics: Control of brightness, contrast, and color settings in displays. 5. Automotive: Adjustment of sensor calibration and control parameters.

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology's digital potentiometer series with similar specifications.
2. AD525X: Analog Devices' digital potentiometer series offering extended resistance range.
3. DS180X: Maxim Integrated's digital potentiometer series with additional features like non-volatile memory.

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