ISL23428TFVZ-T7A

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • Low power consumption
  • High resolution
  • Wide operating voltage range
  • Small package size
• Package: TDFN-8
• Essence: The ISL23428TFVZ-T7A is a digital potentiometer IC used for electronic circuit adjustments.
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Resolution: 256 taps
• Supply Voltage Range: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: I2C
• Resistance Range: 10kΩ
• End-to-End Resistance Tolerance: ±20%
• Non-Volatile Memory: Yes

Detailed Pin Configuration

1. VDD: Power supply input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. A0: Address selection bit 0
5. A1: Address selection bit 1
6. WP: Write protect input
7. H: Terminal of the potentiometer's high resistance element
8. L: Terminal of the potentiometer's low resistance element

Functional Features

• Digital control of resistance value
• Non-volatile memory for storing settings
• I2C interface for easy integration with microcontrollers
• Low power consumption for energy-efficient applications
• High resolution for precise adjustments
• Wide operating voltage range for versatile use

Advantages

• Compact package size allows for space-saving designs
• Non-volatile memory ensures that settings are retained even when power is lost
• High resolution enables fine-grained adjustments
• Wide operating voltage range accommodates various power supply configurations

Disadvantages

• Limited resistance range of 10kΩ may not be suitable for all applications
• End-to-end resistance tolerance of ±20% may introduce slight inaccuracies in circuit adjustments

Working Principles

The ISL23428TFVZ-T7A digital potentiometer operates by digitally controlling the resistance value between its high (H) and low (L) terminals. The desired resistance is set using the I2C interface, allowing precise adjustments to be made. The non-volatile memory ensures that the resistance setting is retained even when power is disconnected.

Detailed Application Field Plans

The ISL23428TFVZ-T7A digital potentiometer finds applications in various electronic circuits where adjustable resistance is required. Some potential application fields include: 1. Audio equipment: Volume control, tone adjustment 2. Industrial automation: Calibration, process control 3. Test and measurement instruments: Fine-tuning, signal conditioning 4. Consumer electronics: Brightness control, contrast adjustment

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology Inc.
2. AD525X: Analog Devices Inc.
3. MAX548X: Maxim Integrated Products Inc.
4. X9CXXX: Intersil Corporation

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

This entry provides an overview of the ISL23428TFVZ-T7A digital potentiometer IC, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.