AD5247
PRODUCTION128-Position I2C®-Compatible Digital Potentiometer
- Part Models
- 7
- 1ku List Price
- Starting From $0.61
Overview
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The AD5247 provides a compact, 2 mm × 2.1 mm, packaged solution for 128-position adjustment applications. This device performs the same electronic adjustment function as a mechanical potentiometer or a variable resistor. Available in four different end-to-end resistance values (5 kΩ, 10 kΩ, 50 kΩ, and 100 kΩ), these low temperature coefficient devices are ideal for high accuracy and stability variable resistance adjustments.
The wiper settings are controllable through the I2C®-compatible digital interface, which can also be used to read back the present wiper register control word. The 10 kΩ and 100 kΩ options each have three hard-coded slave address options available to allow users access to three of these devices on one I2C bus (see Table 8 for a full list of slave address locations).
The resistance between the wiper and either end point of the fixed resistor varies linearly with respect to the digital code transferred into the RDAC latch. Note the terms digital potentiometer, VR (variable resistor), and RDAC are used interchangeably in this document.
Operating from a 2.7 V to 5.5 V power supply and consuming 3 μA allows the AD5247 to be used in portable battery-operated applications
Applications
- Mechanical potentiometer replacement in new designs
- Transducer adjustment of pressure, temperature, position, chemical, and optical sensors
- RF amplifier-biasing
- LCD brightness and contrast adjustment
- Automotive electronics adjustment
- Gain control and offset adjustment
Documentation
Data Sheet 1
User Guide 1
Application Note 1
Frequently Asked Question 1
Device Drivers 1
Product Selection Guide 1
Webcast 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| AD5247BKSZ10-1RL7 | 6-Lead SC70 | ||
| AD5247BKSZ10-2RL7 | 6-Lead SC70 | ||
| AD5247BKSZ10-RL7 | 6-Lead SC70 | ||
| AD5247BKSZ100-1RL7 | 6-Lead SC70 | ||
| AD5247BKSZ100-RL7 | 6-Lead SC70 | ||
| AD5247BKSZ5-RL7 | 6-Lead SC70 | ||
| AD5247BKSZ50-RL7 | 6-Lead SC70 |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
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Feb 8, 2010 - 04_0080 Qualification of the 8" C6 and Q Wafer Fab Processes at Analog Devices, Limerick, Ireland. |
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| AD5247BKSZ10-1RL7 | PRODUCTION | |
| AD5247BKSZ10-2RL7 | PRODUCTION | |
| AD5247BKSZ10-RL7 | PRODUCTION | |
| AD5247BKSZ100-1RL7 | PRODUCTION | |
| AD5247BKSZ100-RL7 | PRODUCTION | |
| AD5247BKSZ5-RL7 | PRODUCTION | |
| AD5247BKSZ50-RL7 | PRODUCTION | |
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Oct 14, 2009 - 09_0218 AD5247-10 Datasheet Specification Change |
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| AD5247BKSZ10-1RL7 | PRODUCTION | |
| AD5247BKSZ10-2RL7 | PRODUCTION | |
| AD5247BKSZ10-RL7 | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Device Drivers 1
Evaluation Software 1
AD5247 Evaluation Software
Evaluation Kits
AD5247 Evaluation Board