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AD5143 Datasheet

AD5143 Datasheet

Quad Channel, 256-Position, I2C, Nonvolatile Digital Potentiometer
Part No.: AD5143
Page: 25 Pages
Size: 994 KB
Manufacturer: Analog Devices, Inc.
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Update Time: 2025-01-12 20:14:32
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AD5143 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
AD5143BCPZ100-RL7 Reel 1500 DKR 3 16 -40°C ~ 125°C 16-Lead LFCSP (3mm x 3mm)  
AD5143BCPZ10-RL7 Reel 1500 DKR 3 16 -40°C ~ 125°C 16-Lead LFCSP (3mm x 3mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

AD5143 Datasheet(PDF)

AD5143 Datasheet(Picture)

AD5143 Features

  • 10 kΩ and 100 kΩ resistance options
  • Resistor tolerance: 8% maximum
  • Wiper current: ±6 mA
  • Low temperature coefficient: 35 ppm/°C
  • Wide bandwidth: 3 MHz
  • Fast start-up time < 75 μs
  • Linear gain setting mode
  • Single- and dual-supply operation
  • Wide operating temperature: −40°C to +125°C
  • 3 mm × 3 mm package

AD5143 Applications

  • Portable electronics level adjustment
  • LCD panel brightness and contrast controls
  • Programmable filters, delays, time constants
  • Programmable power supplies

AD5143 Description

The AD5143 potentiometers provide a nonvolatile solution for 256-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the Ax, Bx, and Wx pins.

The low resistor tolerance and low nominal temperature coefficient simplify open-loop applications as well as applications requiring tolerance matching.

The linear gain setting mode allows independent programming of the resistance between the digital potentiometer terminals, through the RAW and RWB string resistors, allowing very accurate resistor matching.

The high bandwidth and low total harmonic distortion (THD) ensure optimal performance for ac signals, making the devices suitable for filter design.

The low wiper resistance of only 40 Ω at the ends of the resistor array allows for pin to pin connection.

The wiper values can be set through an I2C-compatible digital interface that also reads back the wiper register and EEPROM contents.

The AD5143 are available in a compact, 16-lead, 3 mm × 3 mm LFCSP. The devices are guaranteed to operate over the extended industrial temperature range of −40°C to +125°C.

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