CAT5115LI00

Basic Information Overview

• Category: Electronic Component
• Use: Digital Potentiometer
• Characteristics: Low Power, Non-volatile Memory, I2C Interface
• Package: 8-Lead SOIC, TDFN
• Essence: Programmable Resistor
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: 256 Taps
• Resistance Range: 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• End-to-End Resistance Tolerance: ±20%
• I2C Bus Speed: 100kHz, 400kHz

Detailed Pin Configuration

1. VCC: Supply Voltage
2. SDA: Serial Data Input/Output
3. SCL: Serial Clock Input
4. A0: Address Bit 0
5. A1: Address Bit 1
6. WP: Write Protect
7. H/L: High/Low Terminal of the Potentiometer
8. GND: Ground

Functional Features

• Non-volatile memory allows for retaining settings even when power is disconnected.
• I2C interface enables easy communication with microcontrollers and other devices.
• Low power consumption makes it suitable for battery-powered applications.
• Wide temperature range ensures reliable operation in various environments.

Advantages

• Easy integration into existing electronic systems due to standard I2C interface.
• Non-volatile memory eliminates the need for reconfiguration after power loss.
• Precise resistance control with 256 taps allows for fine adjustments.
• Compact package options provide flexibility in design.

Disadvantages

• Limited resistance range may not be suitable for all applications.
• End-to-end resistance tolerance of ±20% may affect precision in some cases.
• Limited availability of alternative models with similar specifications.

Working Principles

The CAT5115LI00 is a digital potentiometer that functions as an adjustable resistor. It utilizes non-volatile memory to store the resistance setting, allowing it to retain the value even when power is disconnected. The device communicates through the I2C interface, enabling easy control and configuration by microcontrollers or other devices. By adjusting the resistance value, the CAT5115LI00 can be used for various purposes such as volume control, brightness adjustment, or analog signal conditioning.

Detailed Application Field Plans

1. Audio Systems: The CAT5115LI00 can be used in audio systems for volume control, providing precise adjustments to achieve the desired sound level.
2. Display Panels: It can be employed in display panels to adjust brightness levels, allowing users to customize the visual experience.
3. Sensor Calibration: The digital potentiometer can be utilized in sensor calibration circuits to fine-tune sensitivity and accuracy.
4. Analog Signal Conditioning: It can be integrated into analog signal conditioning circuits to adjust signal levels and optimize performance.

Detailed and Complete Alternative Models

1. MCP401X: Similar digital potentiometer with a wider resistance range (up to 100kΩ) and higher resolution (1024 taps).
2. MAX548X: Digital potentiometer with a higher resistance range (up to 1MΩ) and lower end-to-end resistance tolerance (±10%).

Note: The above alternatives are just examples and not an exhaustive list.

This entry provides an overview of the CAT5115LI00 digital potentiometer, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.