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ISL23328UFVZ
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ISL23328UFVZ

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage-controlled potentiometer

Characteristics: - Digital potentiometer with non-volatile memory - 128-tap, I2C interface - Low power consumption - Wide operating voltage range - Small package size

Package: uTQFN-10

Essence: The ISL23328UFVZ is a voltage-controlled potentiometer that can be digitally controlled through an I2C interface. It offers a compact and efficient solution for applications requiring adjustable resistance.

Packaging/Quantity: The ISL23328UFVZ is available in a uTQFN-10 package. It is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage Range: 2.7V to 5.5V
  • Resistance Range: 10kΩ
  • Number of Taps: 128
  • I2C Bus Speed: Up to 400kHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL23328UFVZ has the following pin configuration:

  1. VDD: Power supply input
  2. SDA: I2C data line
  3. SCL: I2C clock line
  4. A0: Address selection bit 0
  5. A1: Address selection bit 1
  6. GND: Ground
  7. WP: Write protect input
  8. HIZ: High impedance output
  9. WIPER: Potentiometer wiper terminal
  10. RH: Potentiometer high terminal

Functional Features

  • Non-volatile memory: The ISL23328UFVZ retains its settings even when power is disconnected.
  • I2C interface: Allows for easy digital control and adjustment of the potentiometer.
  • Low power consumption: Ideal for battery-powered applications.
  • Wide operating voltage range: Can be used in various voltage levels.
  • Small package size: Saves board space and enables compact designs.

Advantages

  • Easy digital control and adjustment
  • Non-volatile memory ensures settings are retained
  • Low power consumption extends battery life
  • Wide operating voltage range allows for versatile applications
  • Compact package size saves board space

Disadvantages

  • Limited resistance range (10kΩ)
  • Requires I2C interface for control

Working Principles

The ISL23328UFVZ is based on a voltage-controlled potentiometer circuit. It consists of a series of resistive elements connected in a ladder configuration. The wiper terminal can be moved digitally to adjust the effective resistance between the RH and WIPER terminals. This adjustment is achieved by controlling the voltage applied to the potentiometer through the I2C interface.

Detailed Application Field Plans

The ISL23328UFVZ can be used in various applications, including but not limited to:

  1. Audio equipment: Volume control, tone adjustment
  2. Industrial automation: Calibration, fine-tuning
  3. Test and measurement instruments: Variable gain control, signal conditioning
  4. Consumer electronics: Display brightness control, user interface adjustment

Detailed and Complete Alternative Models

  1. MCP401X: Digital Potentiometer, 128 Taps, SPI Interface
  2. AD5245: Dual Digital Potentiometer, 256 Taps, I2C Interface
  3. MAX5481: Quad Digital Potentiometer, 256 Taps, SPI Interface
  4. CAT5114: Single Digital Potentiometer, 100 Taps, I2C Interface

These alternative models offer similar functionality and can be considered as alternatives to the ISL23328UFVZ based on specific application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de ISL23328UFVZ en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of ISL23328UFVZ in technical solutions:

  1. Q: What is ISL23328UFVZ? A: ISL23328UFVZ is a digital programmable potentiometer, commonly used in electronic circuits for adjusting resistance values.

  2. Q: What are the key features of ISL23328UFVZ? A: Some key features include a wide resistance range, non-volatile memory, I2C interface, and low power consumption.

  3. Q: How can ISL23328UFVZ be used in technical solutions? A: It can be used for various applications such as volume control, gain adjustment, calibration, and sensor trimming in electronic systems.

  4. Q: Can ISL23328UFVZ replace traditional mechanical potentiometers? A: Yes, it can be a suitable replacement due to its digital programmability, smaller size, and longer lifespan compared to mechanical counterparts.

  5. Q: How is ISL23328UFVZ programmed? A: It can be programmed using an I2C bus interface, allowing for easy integration into microcontroller-based systems.

  6. Q: Can ISL23328UFVZ store its settings even when powered off? A: Yes, it has non-volatile memory, which means it retains its programmed settings even after power is removed.

  7. Q: What is the typical operating voltage range for ISL23328UFVZ? A: The typical operating voltage range is between 2.7V and 5.5V, making it compatible with a wide range of electronic systems.

  8. Q: Does ISL23328UFVZ have any built-in protection features? A: Yes, it has built-in protection against overvoltage, undervoltage, and short-circuit conditions, ensuring the safety of the device and the system.

  9. Q: Can ISL23328UFVZ be used in both analog and digital circuits? A: Yes, it can be used in both analog and digital circuits, providing flexibility in various technical solutions.

  10. Q: Are there any specific application notes or reference designs available for ISL23328UFVZ? A: Yes, the manufacturer provides application notes and reference designs that can help users understand and implement ISL23328UFVZ in their technical solutions effectively.

Please note that these answers are general and may vary depending on the specific requirements and use cases.