Datasheet for EVAL-AD5270SDZ:
- Manufacturer Part Number : EVAL-AD5270SDZ
- Manufacturer : AD
- Description : 1024-Position, 1% Resistor Tolerance Error, SPI Interface and 50-TP Memory Digital Rheostat IC
- Series : AD5270
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Digital Potentiometers (DigiPOT)
- Function : -
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : Evaluation Board for the AD5270 DAC. This board can also be used to evaluate the AD5271 DAC.
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : EVAL-AD5270SDZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Single-channel, 1024-/256-position resolution
- 20 kΩ, 50 kΩ and 100 kΩ nominal resistance
- Maximum ±1% nominal resistor tolerance error
- 50-times programmable (50-TP) wiper memory
- Rheostat mode temperature coefficient: 5 ppm/°C
- 2.7 V to 5.5 V single-supply operation
- ±2.5 V to ±2.75 V dual-supply operation for ac or bipolar operations
- SPI-compatible interface
- Wiper setting readback
- Power on refreshed from 50-TP memory
- Thin LFCSP, 10-lead, 3 mm × 3 mm × 0.8 mm package
- Compact MSOP, 10-lead, 3 mm × 4.9 mm × 1.1 mm package
The AD5270/AD5271 are single-channel, 1024-/ 256-position digital rheostats that combine industry leading variable resistor performance with nonvolatile memory (NVM) in a compact package.
The AD5270/AD5271 ensure less than 1% end-to-end resistor tolerance error and offer 50-times programmable (50-TP) memory.
The guaranteed industry leading low resistor tolerance error feature simplifies open-loop applications as well as precision calibration and tolerance matching applications.
The AD5270/AD5271 device wiper settings are controllable through the SPI digital interface. Unlimited adjustments are allowed before programming the resistance value into the 50-TP memory. The AD5270/AD5271 do not require any external voltage supply to facilitate fuse blow and there are 50 opportunities for permanent programming. During 50-TP activation, a permanent blow fuse command freezes the resistance position (analogous to placing epoxy on a mechanical trimmer).
The AD5270/AD5271 are available in a 3 mm x 3 mm, 10-lead LFCSP package and in a 10-lead MSOP package. The parts are guaranteed to operate over the extended industrial temperature range of −40°C to +125°C.
Applications
- Mechanical potentiometer replacements
- Op-amp: variable gain control
- Instrumentation: gain, offset adjustment
- Programmable voltage-to-current conversions
- Programmable filters, delays, time constants
- Programmable power supply
- Sensor calibration
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.
