X9111TV14Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Programmable, Non-volatile, 10kΩ Resistance Range
• Package: TSSOP-14
• Essence: X9111TV14Z is a digital potentiometer IC that allows for programmable resistance adjustments in electronic circuits.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Resistance Range: 10kΩ
• Number of Taps: 256
• Supply Voltage: 2.7V to 5.5V
• Interface: Serial (I2C)
• Operating Temperature Range: -40°C to +85°C
• Wiper Current: ±1mA (maximum)

Detailed Pin Configuration

The X9111TV14Z IC has the following pin configuration:

1. VCC: Supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write Protect input (optional)
5. A0: Address bit 0 (for device addressing)
6. A1: Address bit 1 (for device addressing)
7. VSS: Ground
8. H0: Terminal A of the potentiometer
9. W0: Wiper terminal of the potentiometer
10. L0: Terminal B of the potentiometer
11. NC: No Connection
12. NC: No Connection
13. NC: No Connection
14. NC: No Connection

Functional Features

• Programmable resistance adjustment through I2C interface
• Non-volatile memory to retain settings even after power loss
• 256 discrete resistance steps for precise adjustments
• Low wiper resistance for accurate voltage division
• Write Protect (WP) pin for protection against accidental changes

Advantages and Disadvantages

Advantages

• Allows for digital control of resistance in electronic circuits
• Non-volatile memory ensures settings are retained even after power loss
• Precise adjustments with 256 resistance steps
• Compact TSSOP-14 package for space-constrained applications
• Low wiper resistance ensures accurate voltage division

Disadvantages

• Limited to a maximum resistance range of 10kΩ
• Requires I2C interface for programming, which may add complexity to the circuit design

Working Principles

The X9111TV14Z digital potentiometer operates by using an internal array of resistors and switches. The resistance value is adjusted by controlling the position of the wiper terminal along the resistor array. This is achieved through the I2C interface, where the desired resistance value is programmed digitally.

Detailed Application Field Plans

The X9111TV14Z digital potentiometer can be used in various applications, including:

1. Audio Equipment: Volume control, tone adjustment
2. Instrumentation: Calibration, signal conditioning
3. Industrial Control Systems: Variable gain amplifiers, motor speed control
4. Communication Systems: Signal attenuation, equalization
5. Consumer Electronics: Brightness control, contrast adjustment

Detailed and Complete Alternative Models

1. X9112TV14Z: Similar to X9111TV14Z but with a 50kΩ resistance range.
2. X9113TV14Z: Similar to X9111TV14Z but with a 100kΩ resistance range.
3. X9114TV14Z: Similar to X9111TV14Z but with a dual-channel configuration.

These alternative models provide different resistance ranges and additional features to suit specific application requirements.

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