Overview
The AD5282BRU20, produced by Analog Devices Inc., is a dual-channel, 256-position digitally controlled variable resistor (VR) device. It functions as a digital potentiometer, offering the same electronic adjustment capabilities as a traditional potentiometer, trimmer, or variable resistor. This device is designed for applications requiring precise and programmable resistance adjustments.
Key Specifications
| Parameter | Value |
|---|---|
| Channels | 2 |
| Positions | 256 |
| Supply Voltage | +10 V to +15 V (single supply), ±5.5 V (dual supply) |
| Terminal Resistance | 20 kΩ, 50 kΩ, 200 kΩ |
| Temperature Coefficient | 30 ppm/°C |
| Operating Temperature | −40°C to +85°C |
| Interface | I²C-compatible, 2-wire serial data interface |
| Package | 16-Lead TSSOP |
Key Features
- Power-on midscale preset and programmable reset
- Sleep mode programmability for power-up presets
- Programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches
- 1% channel-to-channel matching tolerance for fixed A-to-B terminal resistance
- Extended industrial temperature range operation
Applications
- Multimedia, video, and audio systems
- Communications equipment
- Mechanical potentiometer replacement
- Instrumentation for gain and offset adjustment
- Programmable voltage and current sources
- Line impedance matching
Q & A
- What is the AD5282BRU20 used for? The AD5282BRU20 is used as a digital potentiometer, providing precise and programmable resistance adjustments in various electronic systems.
- How many channels does the AD5282BRU20 have? The AD5282BRU20 has 2 channels.
- What is the resolution of the AD5282BRU20? The AD5282BRU20 has 256 positions.
- What are the supply voltage options for the AD5282BRU20? The device can operate with a single supply voltage of +10 V to +15 V or a dual supply voltage of ±5.5 V.
- What is the temperature coefficient of the AD5282BRU20? The temperature coefficient is 30 ppm/°C.
- What interface does the AD5282BRU20 use? The AD5282BRU20 uses an I²C-compatible, 2-wire serial data interface.
- What is the package type of the AD5282BRU20? The device is packaged in a 16-Lead TSSOP.
- What are some common applications of the AD5282BRU20? Common applications include multimedia, communications, mechanical potentiometer replacement, instrumentation, and programmable voltage and current sources.
- Does the AD5282BRU20 have programmable logic outputs? Yes, the AD5282BRU20 has programmable logic outputs for driving digital loads, logic gates, LED drivers, and analog switches.
- What is the operating temperature range of the AD5282BRU20? The operating temperature range is −40°C to +85°C.
