Features and Benefits
- Nonvolatile Memory Preset Maintains Wiper Settings
- 4-channel independent programmable
- 64-position resolution
- EEMEM restore time: 140 μs typical
- Full monotonic operation
- 10 kΩ, 50 kΩ, and 100 kΩ terminal resistance
- See Data Sheet for Additional Information
The AD5233 is a quad-channel nonvolatile memory,1 digitally controlled potentiometer2 with a 64-step resolution. The device performs the same electronic adjustment function as a mechanical potentiometer with enhanced resolution, solid-state reliability, and remote controllability. The AD5233 has versatile programming using a serial peripheral interface (SPI) for 16 modes of operation and adjustment, including scratchpad programming, memory storing and restoring, increment/decrement, ±6 dB/step log taper adjustment, wiper setting readback, and extra EEMEM for user-defined information such as memory data for other components, look-up tables, or system identification information.
In the scratchpad programming mode, a specific setting can be programmed directly to the RDAC register, which sets the resistance between Terminal W to Terminal A and Terminal W to Terminal B. This setting can be stored into the EEMEM and is transferred automatically to the RDAC register during system power-on.
The EEMEM content can be restored dynamically or through external PR strobing. A WP function protects EEMEM contents. To simplify the programming, independent or simultaneous increment or decrement commands can be used to move the RDAC wiper up or down, one step at a time. For logarithmic ±6 dB step changes in wiper settings, the left or right bit shift command can be used to double or halve the RDAC wiper setting.
The AD5233 is available in a thin 24-lead TSSOP package. The part is guaranteed to operate over the extended industrial temperature range of −40°C to +85°C.
- Mechanical potentiometer replacement
- Instrumentation: gain, offset adjustment
- Programmable voltage-to-current conversion
- Programmable filters, delays, time constants
- Programmable power supply
- Sensor calibration
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
The Evaluation board for the AD5233 can be controlled using the System Development Platform (SDP). Software for the evaluation board is available.
Documentation & Resources
AN-1291: Digital Potentiometers: Frequently Asked Questions8/18/2020
AN-686: Implementing an I2C® Reset (Rev. 0)12/16/2003
AN-582: Resolution Enhancements of Digital Potentiometers with Multiple Devices (Rev. A)10/2/2002
AN-580: Programmable Oscillator Uses Digital Potentiometers (Rev. 0)10/2/2002
Software & Systems Requirements
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 Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|AD5233BRUZ10||Material Declaration||Reliability Data||24-Lead TSSOP|
|AD5233BRUZ10-R7||Material Declaration||Reliability Data||24-Lead TSSOP|
|AD5233BRUZ50||Material Declaration||Reliability Data||24-Lead TSSOP|
|AD5233BRUZ50-R7||Material Declaration||Reliability Data||24-Lead TSSOP|
|Wafer Fabrication Data|
Select a model from the dropdown below to subscribe to PCN/PDN notifications and view past notifications as well.
Sample & Buy
See our Ordering FAQs for answers to questions about online orders, payment options and more.
Buy Now Pricing
(**) Displayed Buy Now Price and Price Range is based on small quantity orders.
(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
Please see the latest communication from our CCO regarding lead times.
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Pricing displayed is based on 1-piece.
Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.