X9116WM8Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics:
  • X9116WM8Z is a high-performance digital potentiometer designed for various electronic applications.
  • It provides a programmable resistance that can be adjusted digitally, replacing traditional mechanical potentiometers.
  • The device offers precise and reliable resistance adjustments with low power consumption.
• Package: WM8Z package type
• Essence: X9116WM8Z is an essential component in electronic circuits where variable resistance is required.
• Packaging/Quantity: Available in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Resistance Range: 10kΩ to 100kΩ
• Resolution: 256 taps
• Supply Voltage: 2.7V to 5.5V
• Temperature Range: -40°C to +85°C
• Interface: Serial I2C bus
• Wiper Current: 3mA maximum
• Non-Volatile Memory: Stores wiper position during power-off

Detailed Pin Configuration

The X9116WM8Z digital potentiometer has the following pin configuration:

1. VCC: Supply voltage input
2. SDA: Serial data line for I2C communication
3. SCL: Serial clock line for I2C communication
4. GND: Ground connection
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. WP: Write protect pin for protecting non-volatile memory
8. H0: Terminal H0 of the potentiometer
9. W: Wiper terminal of the potentiometer
10. L0: Terminal L0 of the potentiometer

Functional Features

• X9116WM8Z offers a wide resistance range, allowing for versatile applications.
• The device can be easily controlled and programmed through the I2C interface.
• It provides precise and accurate resistance adjustments with 256 taps resolution.
• Non-volatile memory ensures that the wiper position is retained even during power-off situations.
• Low power consumption makes it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Digital control allows for precise and repeatable resistance adjustments. - Eliminates mechanical wear and tear associated with traditional potentiometers. - Compact size and integration make it suitable for space-constrained designs. - Non-volatile memory ensures settings are retained, enhancing user convenience.

Disadvantages: - Limited to a specific resistance range (10kΩ to 100kΩ). - Requires I2C communication interface for control, which may add complexity to the circuit design.

Working Principles

X9116WM8Z operates based on the principle of digital potentiometry. It consists of a resistive ladder network and a wiper that moves along the ladder, effectively changing the resistance value between the wiper terminal and the two end terminals. The wiper position is controlled digitally through the I2C interface, allowing for precise resistance adjustments.

Detailed Application Field Plans

X9116WM8Z finds applications in various electronic systems where variable resistance is required. Some potential application fields include:

1. Audio Systems: Volume control, tone adjustment, and equalization circuits.
2. Instrumentation: Calibration and fine-tuning of measurement equipment.
3. Industrial Control: Variable speed drives, motor control, and process control systems.
4. Consumer Electronics: Display brightness control, contrast adjustment, and user interface controls.
5. Automotive: Climate control systems, seat positioning, and lighting controls.

Detailed and Complete Alternative Models

1. X9116WM8Z-2.5: Similar to X9116WM8Z but operates at a supply voltage of 2.5V.
2. X9116WM8Z-50: Similar to X9116WM8Z but offers a resistance range of 50Ω to 500Ω.
3. X9116WM8Z-1M: Similar to X9116WM8Z but offers a higher resistance range of 1MΩ to 10MΩ.

These alternative models provide similar functionality with slight variations in specifications to cater to different application requirements.

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