Overview
The AD5241BRZ100-RL7, produced by Analog Devices Inc., is a single-channel, 256-position, digitally controlled variable resistor (VR) device. This component functions as a digital potentiometer, trimmer, or variable resistor, offering a programmable resistance value between the A terminal and the wiper, or the B terminal and the wiper. It is part of the AD5241/AD5242 series, which provides flexible and precise electronic adjustment capabilities.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Resistance Range | 100 kΩ | Nominal resistance between Terminal A and Terminal B |
| Number of Positions | 256 | Resolution of the digital potentiometer |
| Temperature Coefficient | 30 ppm/°C | Nominal temperature coefficient of resistance |
| Supply Voltage | 2.7 V to 5.5 V (single-supply), ±2.7 V (dual-supply) | Operating voltage range |
| Interface | I2C-compatible, 2-wire serial data interface | Communication protocol for programming the VR |
| Package | 14-lead SOIC | Physical package type |
| Temperature Range | −40°C to +105°C | Operating temperature range |
| Shutdown Feature | Active low shutdown pin | Places the VR in a low power consumption state |
| Logic Outputs | Two extra programmable logic outputs | For driving digital loads, logic gates, LED drivers, and analog switches |
Key Features
- Programmable Resistance: Offers 256 positions for precise resistance adjustment.
- I2C Interface: Uses an I2C-compatible, 2-wire serial data interface for programming.
- Internal Power-On Preset: Defaults the wiper position to midscale at system power-on.
- Shutdown Feature: Active low shutdown pin places the VR in a low power consumption state.
- Extra Programmable Logic Outputs: Two outputs available for driving various digital and analog loads.
- Extended Temperature Range: Operates over a temperature range of −40°C to +105°C.
Applications
- Multimedia, Video, and Audio: Used in audio and video systems for gain and volume control.
- Communications: Employed in communication systems for signal adjustment and impedance matching.
- Mechanical Potentiometer Replacement: Replaces traditional mechanical potentiometers with digital control.
- Instrumentation: Used for gain and offset adjustments in various instrumentation applications.
- Programmable Voltage-to-Current Conversion: Utilized in circuits requiring programmable voltage-to-current conversion.
- Line Impedance Matching: Helps in matching line impedances in various electronic systems.
Q & A
- What is the AD5241BRZ100-RL7 used for?
The AD5241BRZ100-RL7 is used as a digital potentiometer, trimmer, or variable resistor, providing precise electronic adjustment capabilities.
- What is the resistance range of the AD5241BRZ100-RL7?
The nominal resistance range is 100 kΩ.
- How many positions does the AD5241BRZ100-RL7 have?
It has 256 positions.
- What is the temperature coefficient of the AD5241BRZ100-RL7?
The nominal temperature coefficient is 30 ppm/°C.
- What interface does the AD5241BRZ100-RL7 use for programming?
It uses an I2C-compatible, 2-wire serial data interface.
- What is the operating temperature range of the AD5241BRZ100-RL7?
The operating temperature range is −40°C to +105°C.
- Does the AD5241BRZ100-RL7 have a shutdown feature?
Yes, it has an active low shutdown pin that places the VR in a low power consumption state.
- What additional outputs does the AD5241BRZ100-RL7 provide?
It provides two extra programmable logic outputs for driving digital and analog loads.
- What package type is the AD5241BRZ100-RL7 available in?
It is available in a 14-lead SOIC package.
- Is the AD5241BRZ100-RL7 still in production?
No, the AD5241BRZ100-RL7 is obsolete and no longer manufactured.
