CAT5115VI-50-T3

Product Overview

Category: Integrated Circuit (IC)

Use: Digital Potentiometer

Characteristics: - Low power consumption - Wide operating voltage range - Non-volatile memory - High resolution - Small package size

Package: SOT-23-6

Essence: The CAT5115VI-50-T3 is a digital potentiometer IC used for electronic circuit adjustment and control. It provides a variable resistance that can be digitally controlled, offering flexibility in various applications.

Packaging/Quantity: The CAT5115VI-50-T3 is typically sold in reels containing 3000 units.

Specifications

• Operating Voltage Range: 2.7V to 5.5V
• Resistance Taper: Linear
• Resolution: 256 steps
• Temperature Range: -40°C to +85°C
• End-to-End Resistance: 50 kΩ
• Interface: Serial (I2C)
• Non-volatile Memory: Yes

Pin Configuration

The CAT5115VI-50-T3 has a total of 6 pins arranged as follows:

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| | 1 | | 6 |____| || 2 5 || 3 4 ```

1. VCC: Power supply input
2. SDA: Serial data input/output (I2C)
3. SCL: Serial clock input (I2C)
4. GND: Ground
5. W: Wiper terminal
6. H: Terminal connected to the high end of the resistor array

Functional Features

• Digital control: The CAT5115VI-50-T3 allows precise digital control of resistance, enabling accurate circuit adjustments.
• Non-volatile memory: The IC retains its resistance setting even when power is removed, ensuring consistent performance upon power-up.
• Low power consumption: The device operates with low power consumption, making it suitable for battery-powered applications.
• High resolution: With 256 steps of resolution, the CAT5115VI-50-T3 provides fine-grained adjustment capabilities.
• Wide operating voltage range: The IC can operate within a wide voltage range, allowing compatibility with various systems.

Advantages and Disadvantages

Advantages: - Precise digital control - Non-volatile memory - Low power consumption - High resolution - Compact package size

Disadvantages: - Limited maximum resistance value (50 kΩ) - Requires an I2C interface for control

Working Principles

The CAT5115VI-50-T3 utilizes a resistor array and a wiper terminal to create a variable resistance. The digital control circuitry adjusts the position of the wiper, effectively changing the resistance between the wiper terminal and the high-end terminal. This allows the user to digitally set the desired resistance value.

Detailed Application Field Plans

The CAT5115VI-50-T3 finds applications in various fields, including:

1. Audio equipment: Volume control, tone adjustment
2. Display devices: Brightness control, contrast adjustment
3. Industrial automation: Calibration, system control
4. Test and measurement instruments: Fine-tuning, calibration
5. Communication systems: Signal conditioning, gain control

Alternative Models

1. MCP401X: Microchip Technology Inc.
2. X9C103S: Intersil Corporation
3. DS1804: Maxim Integrated

These alternative models offer similar functionality and can be considered as alternatives to the CAT5115VI-50-T3.

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