X9317WV8IT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 100 Taps, I2C Interface
• Package: SOIC-8
• Essence: Provides adjustable resistance in electronic circuits
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Resistance Range: 0 to 10kΩ
• Number of Taps: 100
• Interface: I2C
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The X9317WV8IT1 has a total of 8 pins arranged as follows:

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| | | 1 2 | | 3 4 | | 5 6 | | 7 8 | |___________| ```

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

Functional Features

• Non-volatile memory stores wiper position during power-off
• 100 tap points provide fine-grained resistance adjustment
• I2C interface allows easy digital control
• Low power consumption for energy-efficient applications
• Compact SOIC-8 package for space-constrained designs

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures settings are retained even without power
• Fine-grained adjustment with 100 tap points allows precise resistance tuning
• Digital control via I2C interface simplifies integration into digital systems
• Low power consumption makes it suitable for battery-powered devices
• Compact package enables use in space-constrained applications

Disadvantages

• Limited resistance range of 0 to 10kΩ may not be suitable for all applications
• Requires I2C communication capability in the host system
• Not suitable for high-power applications due to its small package size

Working Principles

The X9317WV8IT1 is a digital potentiometer that operates based on the principle of resistive voltage division. It consists of a series of resistive elements connected between the VCC and GND pins. The wiper terminal, controlled by the internal circuitry, taps onto these resistive elements to provide an adjustable resistance.

The position of the wiper determines the effective resistance between the H/L terminal and the wiper terminal. By controlling the wiper position digitally through the I2C interface, the resistance can be adjusted to the desired value.

Detailed Application Field Plans

The X9317WV8IT1 finds applications in various fields, including:

1. Audio Equipment: Used for volume control and tone adjustment in audio amplifiers and mixers.
2. Industrial Automation: Provides resistance adjustment in control circuits for precise calibration.
3. Test and Measurement Instruments: Enables programmable resistance for testing and calibration purposes.
4. Consumer Electronics: Used in devices such as TVs, set-top boxes, and gaming consoles for user-controlled settings.
5. Automotive Electronics: Allows resistance adjustment in automotive systems like climate control and lighting.

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology's digital potentiometer series with similar specifications.
2. AD525X: Analog Devices' digital potentiometer series offering extended resistance range.
3. MAX54X: Maxim Integrated's digital potentiometer series with additional features like temperature compensation.

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

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