Overview
The AD5290YRMZ10 from Analog Devices Inc. is a high-performance, compact digital potentiometer that offers enhanced resolution, solid-state reliability, and superior temperature stability. This device can be used as a programmable resistor or resistor divider, performing the same electronic adjustment functions as mechanical potentiometers, variable resistors, and trimmers. It is part of the AD5290 series, which is known for its high voltage capabilities and compact MSOP-10 package. The AD5290YRMZ10 operates over an extended automotive temperature range of −40°C to +125°C, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resistance Options | 10 kΩ, 50 kΩ, 100 kΩ | |
| Number of Positions | 256 | |
| Supply Voltage Range | +20 V to +30 V (single-supply), ±10 V to ±15 V (dual-supply) | V |
| Temperature Range | −40°C to +125°C | °C |
| Package Type | MSOP-10 | |
| Interface | 3-wire SPI-compatible serial interface | |
| Temperature Coefficient | 35 ppm/°C (typical) | ppm/°C |
| Total Harmonic Distortion (THD) | 0.006% (typical) | % |
| Bandwidth | 90 kHz (RAB = 50 kΩ, code = 0x80) | kHz |
Key Features
- High voltage operation: +20 V to +30 V single-supply and ±10 V to ±15 V dual-supply.
- Compact MSOP-10 package.
- Automotive temperature range: −40°C to +125°C.
- iCMOS™ process technology for low power consumption and high performance.
- 3-wire SPI-compatible serial interface for easy control.
- Low temperature coefficient of 35 ppm/°C (typical).
- Low total harmonic distortion (THD) of 0.006% (typical).
- Midscale preset for convenient initialization.
- No limitations on polarity between resistor terminals A, B, and W.
Applications
- High voltage DAC.
- Programmable power supply.
- Programmable gain and offset adjustment.
- Programmable filters and delays.
- Actuator control.
- Audio volume control.
- Mechanical potentiometer replacement.
Q & A
- What is the AD5290YRMZ10 used for?
The AD5290YRMZ10 is used as a programmable resistor or resistor divider, replacing mechanical potentiometers, variable resistors, and trimmers with enhanced resolution and reliability.
- What are the available resistance options for the AD5290YRMZ10?
The AD5290YRMZ10 is available in 10 kΩ, 50 kΩ, and 100 kΩ resistance options.
- What is the operating temperature range of the AD5290YRMZ10?
The AD5290YRMZ10 operates over an extended automotive temperature range of −40°C to +125°C.
- What type of interface does the AD5290YRMZ10 use?
The AD5290YRMZ10 uses a 3-wire SPI-compatible serial interface.
- What is the typical temperature coefficient of the AD5290YRMZ10?
The typical temperature coefficient is 35 ppm/°C.
- What is the total harmonic distortion (THD) of the AD5290YRMZ10?
The THD is typically 0.006%.
- What are some common applications of the AD5290YRMZ10?
Common applications include high voltage DAC, programmable power supply, programmable gain and offset adjustment, programmable filters and delays, actuator control, audio volume control, and mechanical potentiometer replacement.
- What package type is the AD5290YRMZ10 available in?
The AD5290YRMZ10 is available in a compact MSOP-10 package.
- Does the AD5290YRMZ10 have any polarity limitations between its terminals?
No, there are no limitations on polarity between resistor terminals A, B, and W.
- What is the bandwidth of the AD5290YRMZ10?
The bandwidth is 90 kHz for RAB = 50 kΩ and code = 0x80.
