X9317WM8IZT1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Non-volatile, 100 Taps, 10kΩ Resistance, 8-Pin Package
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: X9317WM8IZT1 is a digital potentiometer IC that provides a programmable resistance value. It is designed to replace traditional mechanical potentiometers in various electronic circuits.
• Packaging/Quantity: The X9317WM8IZT1 is typically sold in reels containing 2500 units.

Specifications

• Resistance Range: 10kΩ
• Number of Taps: 100
• End-to-End Resistance Tolerance: ±20%
• Operating Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial (3-wire SPI)
• Non-volatile Memory: Yes
• Wiper Current: 1μA (max)
• Power Supply Current: 1mA (max)

Detailed Pin Configuration

The X9317WM8IZT1 has an 8-pin package with the following pin configuration:

1. VCC: Power supply voltage input
2. H: High terminal of the resistor array
3. W: Wiper terminal of the resistor array
4. L: Low terminal of the resistor array
5. CS: Chip select input for serial communication
6. SCK: Serial clock input
7. SI: Serial data input
8. SO: Serial data output

Functional Features

• Programmable resistance value with 100 taps
• Non-volatile memory allows storing and recalling resistance settings
• Serial interface for easy integration with microcontrollers and digital systems
• Low power consumption
• Wide operating voltage range
• High reliability and durability compared to mechanical potentiometers

Advantages and Disadvantages

Advantages: - Precise and accurate resistance control - Eliminates the need for manual adjustment - Compact size and lightweight - Long lifespan - Resistance settings can be easily changed through software

Disadvantages: - Limited resolution compared to analog potentiometers - Higher cost compared to mechanical potentiometers - Requires additional circuitry for proper operation

Working Principles

The X9317WM8IZT1 utilizes a resistor array and a wiper terminal to create a variable resistance. The resistance value is controlled digitally using the serial interface. When a specific resistance setting is programmed, the wiper terminal adjusts its position along the resistor array, effectively changing the resistance between the high and low terminals.

Detailed Application Field Plans

The X9317WM8IZT1 finds applications in various electronic systems where precise resistance control is required. Some common application fields include:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Industrial Automation: Calibration and fine-tuning of sensors, actuators, and control systems.
3. Test and Measurement Instruments: Programmable resistance loads, signal conditioning circuits.
4. Automotive Electronics: Climate control, lighting intensity adjustment, motor speed control.
5. Medical Devices: Precision control in medical equipment such as infusion pumps, diagnostic instruments.

Detailed and Complete Alternative Models

1. MCP401X: Microchip Technology's digital potentiometer series with similar specifications.
2. AD840X: Analog Devices' digital potentiometer series offering higher resolution options.
3. MAX54XX: Maxim Integrated's digital potentiometer series with extended temperature range.

These alternative models provide similar functionality and can be considered as alternatives to the X9317WM8IZT1 based on specific application requirements.

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