Overview
The AD5242BRUZ10 from Analog Devices Inc. is a dual-channel, 256-position, digitally controlled variable resistor (VR) device. This component is designed to perform the same electronic adjustment functions as a potentiometer, trimmer, or variable resistor. It features an I2C-compatible interface with readback capability, making it versatile for various applications. The device is available in a 16-lead TSSOP package, suitable for ultracompact solutions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Positions | 256 | - |
| Fixed A-to-B Terminal Resistance | 10 kΩ | Ω |
| Channel-to-Channel Matching Tolerance | 1% | - |
| Temperature Coefficient | 30 ppm/°C | ppm/°C |
| Power Supply Range (Single-Supply) | 2.7 V to 5.5 V | V |
| Power Supply Range (Dual-Supply) | ±2.7 V | V |
| Operating Temperature Range | −40°C to +105°C | °C |
| Package Type | 16-lead TSSOP | - |
Key Features
- I2C-compatible interface with readback capability
- Internal power-on midscale preset
- Extra programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches
- Self-contained shutdown feature
- Low temperature coefficient of 30 ppm/°C
- Single-supply operation from 2.7 V to 5.5 V or dual-supply operation from ±2.7 V for AC or bipolar operation
Applications
- Multimedia, video, and audio systems
- Communications equipment
- Mechanical potentiometer replacement
- Instrumentation: gain and offset adjustment
- Programmable voltage-to-current conversion
- Line impedance matching
Q & A
- What is the AD5242BRUZ10 used for?
The AD5242BRUZ10 is used as a digitally controlled variable resistor, replacing traditional potentiometers, trimmers, or variable resistors in various electronic systems.
- What is the number of positions available on the AD5242BRUZ10?
The AD5242BRUZ10 has 256 positions.
- What are the available resistance values for the AD5242BRUZ10?
The available resistance values are 10 kΩ, 100 kΩ, and 1 MΩ.
- What is the temperature coefficient of the AD5242BRUZ10?
The temperature coefficient is 30 ppm/°C.
- What is the operating temperature range of the AD5242BRUZ10?
The operating temperature range is −40°C to +105°C.
- What type of interface does the AD5242BRUZ10 use?
The AD5242BRUZ10 uses an I2C-compatible interface with readback capability.
- Does the AD5242BRUZ10 have programmable logic outputs?
Yes, it has two extra programmable logic outputs.
- What is the power supply range for the AD5242BRUZ10?
The power supply range is 2.7 V to 5.5 V for single-supply operation or ±2.7 V for dual-supply operation.
- In what package type is the AD5242BRUZ10 available?
The AD5242BRUZ10 is available in a 16-lead TSSOP package.
- What are some common applications of the AD5242BRUZ10?
Common applications include multimedia, video, and audio systems, communications equipment, mechanical potentiometer replacement, instrumentation, programmable voltage-to-current conversion, and line impedance matching.
