Overview
The AD5242BRZ100-REEL7, produced by Analog Devices Inc., is a dual-channel, I2C-compatible, 256-position digital potentiometer. This device is designed to perform the same electronic adjustment functions as a traditional potentiometer, trimmer, or variable resistor. It is available in a 16-lead SOIC package and operates over an extended temperature range of -40°C to +105°C. The AD5242 is suitable for various applications requiring precise digital control over resistance values.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Category | Digital Potentiometers (DigiPOT) |
| Package | SOIC-16 |
| Pins | 16 |
| Temperature Range | -40°C to +105°C |
| Resistance Values | 10 kΩ, 100 kΩ, 1 MΩ |
| Positions | 256 |
| Interface | I2C-compatible, 2-wire serial bus |
| Power Supply | Single-supply 2.7 V to 5.5 V or dual-supply ±2.7 V |
| RoHS Compliance | Yes |
Key Features
- Dual-channel, 256-position digital potentiometer with I2C-compatible interface.
- Available in 10 kΩ, 100 kΩ, and 1 MΩ resistance values with 1% channel-to-channel matching tolerance.
- Low temperature coefficient of 30 ppm/°C.
- Internal power-on midscale preset and self-contained shutdown feature.
- Extra programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches.
- Extended temperature range of -40°C to +105°C.
Applications
- Multimedia, video, and audio systems.
- Communications equipment.
- Replacement for mechanical potentiometers.
- Instrumentation for gain and offset adjustments.
- Programmable voltage-to-current conversion.
- Line impedance matching.
Q & A
- What is the AD5242BRZ100-REEL7 used for?
The AD5242BRZ100-REEL7 is used as a digital potentiometer, providing the same electronic adjustment functions as a traditional potentiometer, trimmer, or variable resistor.
- What are the available resistance values for the AD5242BRZ100-REEL7?
The AD5242BRZ100-REEL7 is available in 10 kΩ, 100 kΩ, and 1 MΩ resistance values.
- What is the temperature range of the AD5242BRZ100-REEL7?
The device operates over an extended temperature range of -40°C to +105°C.
- What interface does the AD5242BRZ100-REEL7 use?
The device uses an I2C-compatible, 2-wire serial bus interface.
- What are the power supply requirements for the AD5242BRZ100-REEL7?
The device can operate with a single-supply from 2.7 V to 5.5 V or a dual-supply of ±2.7 V.
- Does the AD5242BRZ100-REEL7 have programmable logic outputs?
Yes, the device has extra programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches.
- What is the RoHS compliance status of the AD5242BRZ100-REEL7?
The AD5242BRZ100-REEL7 is RoHS compliant.
- In what package types is the AD5242BRZ100-REEL7 available?
The device is available in 16-lead SOIC and TSSOP packages.
- What are some common applications of the AD5242BRZ100-REEL7?
Common applications include multimedia, video, and audio systems, communications equipment, mechanical potentiometer replacement, instrumentation, and programmable voltage-to-current conversion.
- How does the AD5242BRZ100-REEL7 handle shutdown?
The device has a self-contained shutdown feature that can be activated via an active high signal on the SHDN pin.
