CAT5171TBI-50GT3

Product Overview

Category

The CAT5171TBI-50GT3 belongs to the category of electronic components.

Use

It is primarily used for digital potentiometer applications.

Characteristics

• The CAT5171TBI-50GT3 is a high-performance, 256-tap, non-volatile digital potentiometer.
• It offers a wide resistance range and low temperature coefficient.
• The device operates on a single power supply voltage ranging from 2.7V to 5.5V.
• It features an I2C interface for easy communication with microcontrollers.
• The CAT5171TBI-50GT3 has a low standby current, making it suitable for power-sensitive applications.

Package

The CAT5171TBI-50GT3 comes in a compact surface-mount package.

Essence

This digital potentiometer provides a versatile and reliable solution for circuit designs that require adjustable resistance.

Packaging/Quantity

The CAT5171TBI-50GT3 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Resistance Range: 0Ω to 100kΩ
• Number of Taps: 256
• Supply Voltage: 2.7V to 5.5V
• Standby Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C

Detailed Pin Configuration

The CAT5171TBI-50GT3 has the following pin configuration:

1. VCC: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data input/output for I2C communication
4. SCL: Serial clock input for I2C communication
5. A0: Address selection bit 0
6. A1: Address selection bit 1
7. WP: Write protect input
8. H: Terminal for high resistance end of the potentiometer
9. W: Wiper terminal of the potentiometer
10. L: Terminal for low resistance end of the potentiometer

Functional Features

• Non-volatile memory allows the CAT5171TBI-50GT3 to retain its settings even when power is removed.
• The device offers a wide range of resistance values, allowing for precise adjustment in various applications.
• It provides smooth and accurate digital control of resistance levels.
• The I2C interface enables easy integration with microcontrollers and other digital systems.
• Low standby current ensures minimal power consumption during idle periods.

Advantages and Disadvantages

Advantages

• Wide resistance range
• Low temperature coefficient
• Non-volatile memory
• Easy integration with microcontrollers
• Low standby current

Disadvantages

• Limited number of taps (256)

Working Principles

The CAT5171TBI-50GT3 utilizes a combination of digital control and analog circuitry to adjust the resistance. The digital potentiometer consists of a series of resistive elements connected in a ladder configuration. By controlling the tap point along this ladder, the desired resistance value can be achieved.

Detailed Application Field Plans

The CAT5171TBI-50GT3 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment
2. Industrial Automation: Calibration, feedback control
3. Test and Measurement Instruments: Signal conditioning, calibration
4. Consumer Electronics: Display brightness control, user interface adjustment
5. Automotive Electronics: Climate control, motor speed control

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology's digital potentiometer series
2. AD525X: Analog Devices' digital potentiometer series
3. MAX548X: Maxim Integrated's digital potentiometer series
4. DS180X: Dallas Semiconductor's digital potentiometer series

These alternative models offer similar functionality and can be considered as alternatives to the CAT5171TBI-50GT3.

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