Overview
The AD5290YRMZ50-R7, produced by Analog Devices Inc., is a high-performance, compact digital potentiometer. This device is part of the AD5290 series and is designed to perform the same electronic adjustment functions as mechanical potentiometers, variable resistors, and trimmers, but with enhanced resolution, solid-state reliability, and superior temperature stability. It features a 256-position digital potentiometer configuration with a linear taper and is housed in a compact MSOP-10 package. The device operates over an automotive temperature range of −40°C to +125°C, making it suitable for a wide range of applications requiring precise and reliable electronic adjustments.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Number of Positions | - | - | - | 256 | - | - |
| Resistance Value | R | - | - | 50 kΩ | - | - |
| Temperature Range | - | - | −40°C | - | +125°C | - |
| Supply Voltage | VDD/VSS | - | +15 V / −15 V | - | - | - |
| Bandwidth | BW | RAB = 50 kΩ, code = 0x80 | - | 90 kHz | - | - |
| Power Dissipation | PDISS | VIH = +5 V or VIL = 0 V, VDD/VSS = ±15 V | - | 765 μW | - | - |
| Interface Clock Frequency | fCLK | - | - | 4 MHz | - | - |
Key Features
- Compact MSOP-10 package for space-efficient designs.
- High voltage operation: +30 V / ±15 V supply range.
- 256-position digital potentiometer with linear taper.
- Digital control via SPI-compatible serial interface.
- Enhanced resolution and solid-state reliability compared to mechanical potentiometers.
- Superior temperature stability over an automotive temperature range of −40°C to +125°C.
- Low power dissipation: 765 μW typical at VDD/VSS = ±15 V.
- Supports daisy-chain operation of multiple packages.
Applications
- High voltage DAC and programmable power supply applications.
- Programmable gain and offset adjustment in various circuits.
- Programmable filters and delays.
- Actuator control and audio volume control.
- Mechanical potentiometer replacement in industrial and automotive systems.
Q & A
- What is the AD5290YRMZ50-R7 used for? The AD5290YRMZ50-R7 is used as a programmable resistor or resistor divider, replacing mechanical potentiometers, variable resistors, and trimmers in various applications.
- What is the temperature range of the AD5290YRMZ50-R7? The device operates over an automotive temperature range of −40°C to +125°C.
- What is the supply voltage range for the AD5290YRMZ50-R7? The supply voltage range is +15 V / −15 V.
- How many positions does the AD5290YRMZ50-R7 digital potentiometer have? The device has 256 positions.
- What is the typical power dissipation of the AD5290YRMZ50-R7? The typical power dissipation is 765 μW at VDD/VSS = ±15 V.
- Can the AD5290YRMZ50-R7 be used in daisy-chain configurations? Yes, the device supports daisy-chain operation of multiple packages.
- What is the bandwidth of the AD5290YRMZ50-R7? The bandwidth is 90 kHz for RAB = 50 kΩ and code = 0x80.
- What interface does the AD5290YRMZ50-R7 use for digital control? The device uses an SPI-compatible serial interface for digital control.
- What package type is the AD5290YRMZ50-R7 available in? The device is housed in a compact MSOP-10 package.
- What are some common applications of the AD5290YRMZ50-R7? Common applications include high voltage DAC, programmable power supply, programmable gain and offset adjustment, programmable filters and delays, actuator control, and audio volume control.
