Overview
The AD5262BRU200, manufactured by Analog Devices Inc., is a dual-channel, 256-position, digitally controlled variable resistor (VR) device. This component performs the same electronic adjustment function as a traditional potentiometer or variable resistor but offers the advantages of solid-state reliability and compact electronic packaging. It is designed to operate with a single supply voltage ranging from 5 V to 15 V or a dual supply voltage of ±5.5 V, making it versatile for various applications. The device features a 4-wire SPI-compatible serial data input interface and includes a power-on midscale preset, ensuring the wiper is set to the midscale position upon power-up.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 (Independently Programmable) | |
| Number of Positions | 256 | |
| Resistor Values | 20 kΩ, 50 kΩ, 200 kΩ | |
| Temperature Coefficient | 35 ppm/°C | |
| Supply Voltage Range | 5 V to 15 V (Single Supply), ±5.5 V (Dual Supply) | V |
| Interface | 4-wire SPI-compatible serial data input | |
| Package Type | 16-lead TSSOP | |
| Operating Temperature Range | −40°C to +85°C | °C |
| Wiper Resistance | 60 Ω to 150 Ω (Typical) | Ω |
Key Features
- Dual-Channel Operation: The AD5262BRU200 features two independently programmable channels, each with 256 positions.
- Programmable Resistance: The resistance between the wiper and either end point of the fixed resistor can be completely programmed using a digital code.
- Low Temperature Coefficient: A nominal temperature coefficient of 35 ppm/°C ensures stable performance over a wide temperature range.
- SPI-Compatible Interface: The device uses a 4-wire SPI-compatible serial data input interface for easy integration with microcontrollers.
- Power-On Midscale Preset: The device resets to the midscale position upon power-up, ensuring consistent initial conditions.
- High Voltage Operation: Can operate up to 15 V or ±5.5 V, extending the range of applications compared to standard 5 V digital potentiometers.
Applications
- Audio Equipment: Used in audio systems for electronic volume control and tone adjustments in amplifiers, equalizers, and audio processors.
- Consumer Electronics: Employed in various household appliances such as televisions, speakers, air conditioners, and refrigerators to adjust parameters like volume, brightness, and temperature.
- Motor Control: Utilized in motor control circuits to adjust speed, torque, and other control parameters.
- Power Management: Used in power management systems to control and adjust various parameters.
Q & A
- What is the AD5262BRU200 used for?
The AD5262BRU200 is used as a digitally controlled variable resistor, replacing traditional potentiometers or variable resistors in various applications.
- How many channels does the AD5262BRU200 have?
The AD5262BRU200 has two independently programmable channels.
- What are the available resistor values for the AD5262BRU200?
The available resistor values are 20 kΩ, 50 kΩ, and 200 kΩ.
- What is the temperature coefficient of the AD5262BRU200?
The temperature coefficient is 35 ppm/°C.
- What is the operating voltage range of the AD5262BRU200?
The device can operate with a single supply voltage from 5 V to 15 V or a dual supply voltage of ±5.5 V.
- What type of interface does the AD5262BRU200 use?
The device uses a 4-wire SPI-compatible serial data input interface.
- What is the package type of the AD5262BRU200?
The device is packaged in a 16-lead TSSOP.
- What is the operating temperature range of the AD5262BRU200?
The operating temperature range is from −40°C to +85°C.
- What is the typical wiper resistance of the AD5262BRU200?
The typical wiper resistance is between 60 Ω and 150 Ω.
- What happens to the wiper position when the device is powered on?
The wiper resets to the midscale position upon power-up.
