QD Devices Inc.
La imagen puede ser una representación.
Consulte las especificaciones para obtener detalles del producto.
AD5248BRM100
Ver Detalle Hojas de datos

AD5248BRM100

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Digital Potentiometer
  • Characteristics: High resolution, low power consumption
  • Package: 10-Lead MSOP (Mini Small Outline Package)
  • Essence: Programmable resistor network
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Resolution: 256 taps
  • Resistance Range: 0 to 100 kΩ
  • Supply Voltage: 2.7V to 5.5V
  • Temperature Range: -40°C to +125°C
  • Interface: I2C-compatible
  • Power Consumption: 1.8 mW (typical)

Pin Configuration

The AD5248BRM100 has a 10-lead MSOP package with the following pin configuration:

  1. VDD: Positive supply voltage
  2. SDA: Serial data input/output for I2C communication
  3. SCL: Serial clock input for I2C communication
  4. GND: Ground
  5. A0: Address bit 0 for device addressing
  6. A1: Address bit 1 for device addressing
  7. WP: Write protect input
  8. VOUTB: Terminal B of the potentiometer
  9. VOUTA: Terminal A of the potentiometer
  10. VSS: Negative supply voltage

Functional Features

  • Non-volatile memory: Preserves settings during power-off
  • Increment/Decrement control: Allows easy adjustment of resistance value
  • Software shutdown: Reduces power consumption when not in use
  • Resistor ratio accuracy: ±1% typical
  • Low temperature coefficient: 35 ppm/°C typical

Advantages and Disadvantages

Advantages: - High resolution allows precise adjustment - Wide resistance range suits various applications - Low power consumption extends battery life - Non-volatile memory preserves settings

Disadvantages: - Limited to I2C interface for communication - Higher cost compared to traditional potentiometers - Requires additional circuitry for voltage amplification

Working Principles

The AD5248BRM100 is a digital potentiometer that replaces mechanical potentiometers in electronic circuits. It consists of a resistor network and control logic, which can be programmed digitally using the I2C interface. The resistance value between terminals A and B can be adjusted by changing the tap position within the network.

Detailed Application Field Plans

  1. Audio Equipment: Volume control, tone adjustment
  2. Instrumentation: Calibration, signal conditioning
  3. Industrial Control: Variable gain amplifiers, feedback control
  4. Communication Systems: Signal level adjustment, impedance matching
  5. Test and Measurement: Programmable loads, calibration standards

Alternative Models

  1. AD5247BRM100: 256-tap digital potentiometer with a resistance range of 0 to 100 kΩ.
  2. AD5246BRM100: 128-tap digital potentiometer with a resistance range of 0 to 100 kΩ.
  3. AD5245BRM100: 64-tap digital potentiometer with a resistance range of 0 to 100 kΩ.
  4. AD5244BRM100: 32-tap digital potentiometer with a resistance range of 0 to 100 kΩ.

These alternative models offer different tap resolutions to suit specific application requirements.

Word count: 346 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AD5248BRM100 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AD5248BRM100 in technical solutions:

  1. Q: What is the AD5248BRM100? A: The AD5248BRM100 is a digital potentiometer IC (integrated circuit) that provides variable resistance in electronic circuits.

  2. Q: What is the maximum resistance range of the AD5248BRM100? A: The AD5248BRM100 has a maximum resistance range of 100 kΩ.

  3. Q: How many channels does the AD5248BRM100 have? A: The AD5248BRM100 has 4 independent channels, allowing for multiple adjustable resistances.

  4. Q: Can the AD5248BRM100 be controlled digitally? A: Yes, the AD5248BRM100 can be controlled digitally using an I2C interface.

  5. Q: What is the resolution of the AD5248BRM100? A: The AD5248BRM100 has a resolution of 256 steps, providing fine-grained control over resistance values.

  6. Q: What is the power supply voltage range for the AD5248BRM100? A: The AD5248BRM100 operates with a power supply voltage range of 2.7V to 5.5V.

  7. Q: Can the AD5248BRM100 be used in both analog and digital circuits? A: Yes, the AD5248BRM100 can be used in both analog and digital circuits as a variable resistor.

  8. Q: Is the AD5248BRM100 suitable for precision applications? A: Yes, the AD5248BRM100 is designed for precision applications, offering low temperature coefficient and high linearity.

  9. Q: Can the AD5248BRM100 be cascaded to increase the number of channels? A: Yes, multiple AD5248BRM100 ICs can be cascaded together to increase the number of available channels.

  10. Q: What are some typical applications for the AD5248BRM100? A: The AD5248BRM100 is commonly used in applications such as audio volume control, programmable filters, and calibration circuits.

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