AD5248BRMZ10

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Potentiometer
• Characteristics: Low power, 256-position, I2C interface, non-volatile memory
• Package: 10-Lead MSOP (Mini Small Outline Package)
• Essence: The AD5248BRMZ10 is a digital potentiometer IC that provides a programmable resistance in electronic circuits. It can be used to replace mechanical potentiometers and offers greater flexibility and control.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Resolution: 8-bit (256 positions)
• Resistance Range: 10 kΩ
• Interface: I2C (Inter-Integrated Circuit)
• Supply Voltage: 2.7 V to 5.5 V
• Operating Temperature Range: -40°C to +125°C
• Non-Volatile Memory: Stores wiper position during power-off

Pin Configuration

The AD5248BRMZ10 has a 10-lead MSOP package with the following pin configuration:

1. A0: Address Input Bit 0
2. A1: Address Input Bit 1
3. SDA: Serial Data Input/Output
4. SCL: Serial Clock Input
5. VSS: Ground
6. WP: Write Protect
7. VLOGIC: Logic Supply Voltage
8. VDD: Positive Supply Voltage
9. VOUT: Wiper Output
10. VREF: Reference Voltage Input

Functional Features

• Programmable resistance allows for precise control over circuit parameters.
• Non-volatile memory retains wiper position during power-off, ensuring consistent settings upon power-up.
• I2C interface enables easy communication with microcontrollers and other devices.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating temperature range allows for use in various environments.

Advantages

• Replaces mechanical potentiometers, eliminating issues like wear and contact noise.
• Offers greater precision and control over circuit parameters.
• Non-volatile memory ensures consistent settings even after power cycles.
• Compact package size saves board space.
• Compatible with a wide range of microcontrollers and devices.

Disadvantages

• Limited resolution compared to higher-bit digital potentiometers.
• May require additional components for certain applications.
• Higher cost compared to traditional potentiometers.

Working Principles

The AD5248BRMZ10 is based on the concept of a digital potentiometer. It consists of a resistive ladder network and a wiper that can be moved digitally to adjust the resistance value. The I2C interface allows the microcontroller to send commands to set the desired resistance level. The non-volatile memory stores the wiper position, ensuring that the same resistance value is maintained even after power-off.

Application Field Plans

The AD5248BRMZ10 finds applications in various fields, including:

1. Audio Equipment: Volume control, tone adjustment, and equalization circuits.
2. Instrumentation: Calibration and signal conditioning circuits.
3. Industrial Control Systems: Variable gain amplifiers, motor control, and process control.
4. Communication Systems: Signal attenuation and filtering circuits.
5. Automotive Electronics: Climate control, lighting control, and sensor calibration.

Alternative Models

1. AD5241BRZ10: 10 kΩ, 8-bit digital potentiometer in a 6-lead SOT-23 package.
2. AD5242BRZ10: 10 kΩ, dual-channel, 8-bit digital potentiometer in an 8-lead SOIC package.
3. AD5244BRZ10: 10 kΩ, quad-channel, 8-bit digital potentiometer in a 14-lead TSSOP package.

These alternative models offer similar functionality with varying channel counts and package options.

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