Overview
Features and Benefits
- 64 Position
- Replaces Four Potentiometers
- 10 kΩ, 100 kΩ
- Power Shutdown - Less than 5 µA
- 3-Wire SPI-Compatible Serial Data Input
- 10 MHz Update Data Loading Rate
- +2.7 V to +5.5 Single Supply Operation
- Midscale Preset
Product Details
The AD5203 contains four, 64-position digitally-controlled variable resistors (VR). These parts perform the same electronic adjustment function as a potentiometer, trimmer or variable resistor. Each VR offers a completely programmable value of resistance, between the A terminal and the wiper or the B terminal and the wiper. The fixed A to B terminal resistance of 10K ohm, or 100K ohm has a ±1% channel-to-channel matching tolerance with a nominal temperature coefficient of 700 ppm/°C.
Wiper position programming defaults to midscale at system power ON when using the RS pin. Once powered the wiper position is programmed by a standard SPI, Microwire compatible serial data interface. In addition, a serial data output pin is available to daisy chain multiple packages to minimize the number of package-decode pins required from the system micro controller.
The AD5203 is available in a 24-lead narrow-body plastic DIP, the 24 lead surface mount package, and the compact 1.1mm thin TSSOP-24 package. All parts are guaranteed to operate over the extended-industrial-temperature range of -40°C to +85°C.
For pin compatible higher resolution applications, see the 256-Position AD8403 product.
APPLICATIONS
- Mechanical Potentiometer Replacement
- Programmable Filters, Delays, Time Constants
- Volume Control, panning
- Line Impedance Matching
- Power Supply Adjustment operating from +3 to +5 volt power supplies
Product Categories
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.
Documentation & Resources
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FAQs7/26/2017
Software & Systems Requirements
Device Drivers
Design Resources
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 |
|---|---|---|---|---|
| AD5203ARUZ10-REEL | Material Declaration | Reliability Data | 24-Lead TSSOP | |
| AD5203ARUZ100 | Material Declaration | Reliability Data | 24-Lead TSSOP | |
| AD5203ARUZ100-REEL | Material Declaration | Reliability Data | 24-Lead TSSOP | |
| AD5203ARZ10 | Material Declaration | Reliability Data | 24-Lead SOIC (Wide) | |
| AD5203ARZ100-REEL | Material Declaration | Reliability Data | 24-Lead SOIC (Wide) | |
| Wafer Fabrication Data |
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