Overview
The AD5262BRUZ50 is a dual-channel, 256-position digitally controlled variable resistor (VR) device produced by Analog Devices Inc. This electronic component functions as a digital potentiometer, offering a programmable resistance value that can replace mechanical potentiometers in various applications. It operates with a single supply voltage of 5 V or a dual supply voltage of ±5 V, and it is compatible with SPI (Serial Peripheral Interface) for serial data input.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 2 (independently programmable) |
| Number of Positions | 256 |
| Resistor Value | 50 kΩ |
| Temperature Coefficient | 35 ppm/°C |
| Supply Voltage | 5 V (single supply), ±5 V (dual supply) |
| Interface | SPI-compatible serial data input |
| Package Type | 16-lead TSSOP |
| Operating Temperature Range | −40°C to +85°C |
| Memory Type | Volatile |
Key Features
- 256-position digital potentiometer with SPI-compatible serial interface.
- Dual-channel operation with independent programming for each channel.
- Low temperature coefficient of 35 ppm/°C.
- Power-on midscale preset for simplified fault condition recovery.
- Optional reset pin to set the wiper to the midscale position.
- Support for daisy-chaining in multiple VR applications without additional external decoding logic.
- CMOS logic level inputs for minimum power dissipation.
Applications
- Mechanical potentiometer replacement.
- Instrumentation: gain and offset adjustment.
- Stereo channel audio level control.
- Programmable voltage-to-current conversion.
- Programmable filters, delays, and time constants.
- Line impedance matching.
- Low resolution DAC replacement.
Q & A
- What is the AD5262BRUZ50 used for?
The AD5262BRUZ50 is used as a digital potentiometer, replacing mechanical potentiometers in various applications such as gain and offset adjustment, audio level control, and programmable voltage-to-current conversion.
- How many channels does the AD5262BRUZ50 have?
The AD5262BRUZ50 has two independently programmable channels.
- What is the number of positions for the AD5262BRUZ50?
The AD5262BRUZ50 has 256 positions.
- What is the resistor value of the AD5262BRUZ50?
The resistor value of the AD5262BRUZ50 is 50 kΩ.
- What is the temperature coefficient of the AD5262BRUZ50?
The temperature coefficient of the AD5262BRUZ50 is 35 ppm/°C.
- What is the operating temperature range of the AD5262BRUZ50?
The operating temperature range of the AD5262BRUZ50 is −40°C to +85°C.
- What interface does the AD5262BRUZ50 use?
The AD5262BRUZ50 uses an SPI-compatible serial data input interface.
- What package type is the AD5262BRUZ50 available in?
The AD5262BRUZ50 is available in a 16-lead TSSOP package.
- Is the AD5262BRUZ50's memory volatile or non-volatile?
The AD5262BRUZ50 has volatile memory.
- Can the AD5262BRUZ50 be daisy-chained?
