X9317TM8IT2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • High resolution and accuracy
  • Non-volatile memory
  • Low power consumption
  • Small package size
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: X9317TM8IT2 is a digital potentiometer IC that provides variable resistance in electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Resolution: 256 taps
• Resistance Range: 10kΩ
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• End-to-End Resistance Tolerance: ±20%
• Total Resistance Tolerance: ±30%

Detailed Pin Configuration

The X9317TM8IT2 IC has the following pin configuration:

1. VCC: Power supply voltage input
2. H: High terminal of the resistor network
3. W: Wiper terminal of the resistor network
4. L: Low terminal of the resistor network
5. CS: Chip select input for communication
6. SCL: Serial clock input for communication
7. SDA: Serial data input/output for communication
8. GND: Ground reference

Functional Features

• Non-volatile Memory: The X9317TM8IT2 retains its wiper position even when the power is turned off, thanks to its non-volatile memory feature.
• Increment/Decrement Control: The IC allows for easy adjustment of the resistance value by incrementing or decrementing the wiper position.
• Low Power Consumption: The device operates at low power, making it suitable for battery-powered applications.
• High Resolution: With 256 taps, the X9317TM8IT2 provides fine-grained control over resistance values.
• Small Package Size: The compact 8-pin SOIC package enables space-efficient integration into electronic circuits.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures retention of wiper position - High resolution allows for precise resistance adjustment - Low power consumption extends battery life - Compact package size facilitates integration

Disadvantages: - Limited resistance range (10kΩ) - Tolerance levels may impact accuracy in some applications

Working Principles

The X9317TM8IT2 digital potentiometer IC operates by adjusting the resistance between the H and L terminals using the wiper terminal W. This is achieved through a series of internal switches that connect different segments of the resistor network to the wiper. The position of the wiper determines the effective resistance value between H and L.

The IC communicates with an external microcontroller or host device through the CS, SCL, and SDA pins using a serial interface. The microcontroller sends commands to increment or decrement the wiper position, allowing for precise resistance adjustment.

Detailed Application Field Plans

The X9317TM8IT2 finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers, mixers, and equalizers.
2. Industrial Control Systems: Provides variable resistance for calibration, feedback control, and signal conditioning in industrial automation systems.
3. Test and Measurement Instruments: Enables programmable resistance for testing and calibration purposes in multimeters, oscilloscopes, and function generators.
4. Automotive Electronics: Used in automotive climate control systems, lighting controls, and motor speed control applications.
5. Consumer Electronics: Integrated into TVs, set-top boxes, and gaming consoles for user-controlled settings and adjustments.

Detailed and Complete Alternative Models

1. X9C103S: 10kΩ digital potentiometer IC with 100 taps and similar features.
2. MCP4131: Digital potentiometer IC with 10kΩ resistance, 256 taps, and SPI interface.
3. AD8403: 10kΩ quad-channel digital potentiometer IC with 256 taps and I2C interface.

These alternative models offer similar functionality and can be considered as alternatives to the X9317TM8IT2 based on specific application requirements.

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