X9317WS8IZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 100-Tap, Single/Dual/Quad, I2C Interface
• Package: WS8 (8-Lead, SOIC Wide)
• Essence: A digital potentiometer is an electronic component that emulates the function of a traditional mechanical potentiometer. It allows for precise control of resistance in various applications.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resolution: 100 taps
• Resistance Range: 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: I2C
• End-to-End Resistance Tolerance: ±20%
• Standby Current: 1µA (max)
• Wiper Resistance: 75Ω (typ)

Detailed Pin Configuration

The X9317WS8IZT1 has 8 pins arranged as follows:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output pin for I2C communication
3. SCL: Serial clock input pin for I2C communication
4. GND: Ground reference
5. WP: Write Protect pin for enabling/disabling write operations
6. H0: Terminal A of the potentiometer
7. H1: Terminal B of the potentiometer
8. H2: Terminal Wiper of the potentiometer

Functional Features

• Non-volatile memory: The X9317WS8IZT1 retains its settings even when power is removed.
• I2C interface: Allows for easy digital communication with microcontrollers or other devices.
• Multiple configurations: Available in single, dual, and quad versions to suit different applications.
• Low standby current: Consumes minimal power when not actively changing settings.

Advantages and Disadvantages

Advantages: - Precise resistance control - Non-volatile memory ensures settings are retained - Easy integration with digital systems - Compact package size

Disadvantages: - Limited resistance range (10kΩ) - End-to-end resistance tolerance may affect precision in some applications

Working Principles

The X9317WS8IZT1 operates by digitally controlling the resistance between its terminal A (H0) and terminal B (H1). The wiper terminal (H2) moves along the resistive element, effectively changing the resistance value. This movement is controlled through the I2C interface, allowing for precise adjustments.

Detailed Application Field Plans

The X9317WS8IZT1 finds applications in various fields, including:

1. Audio Systems: Used for volume control and tone adjustment in amplifiers, mixers, and audio processors.
2. Industrial Automation: Provides programmable resistance for calibration and control purposes in industrial equipment.
3. Test and Measurement Equipment: Enables precise resistance settings for accurate measurements and calibration.
4. Consumer Electronics: Integrated into devices such as TVs, gaming consoles, and home appliances for user-controlled settings.

Alternative Models

1. X9C103S: Single-channel digital potentiometer with 100 taps and SPI interface.
2. MCP401X: Single-channel digital potentiometer with 256 taps and I2C interface.
3. AD8403: Quad-channel digital potentiometer with 256 taps and SPI interface.

These alternative models offer similar functionality and can be considered based on specific requirements.

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