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AD5115 Fiches technique(PDF) 1 Page - Analog Devices |
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AD5115 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 24 page Single-Channel, 128-/64-/32-Position, Up/Down, ±8% Resistor Tolerance, Nonvolatile Digital Potentiometer Data Sheet AD5111/AD5113/AD5115 Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2011 Analog Devices, Inc. All rights reserved. FEATURES Single-channel, 128-/64-/32-position resolution 5 kΩ, 10 kΩ, 80 kΩ nominal resistance Maximum ±8% nominal resistor tolerance error Low wiper resistance ±6 mA maximum wiper current density Rheostat mode temperature coefficient: 35 ppm/°C Potentiometer mode temperature coefficient: 5 ppm/°C 2.3 V to 5.5 V single-supply operation Power-on EEPROM refresh time < 50 μs Simple up/down manual or digital configurable control Chip select enable multiple device operation 50-year typical data retention at 125°C 1 million write cycles Wide operating temperature: −40°C to +125°C Thin, 2 mm × 2 mm × 0.55 mm 8-lead LFCSP package APPLICATIONS Mechanical potentiometer replacement Portable electronics level adjustment Audio volume control Low resolution DAC LCD panel brightness and contrast control Programmable voltage to current conversion Programmable filters, delays, time constants Feedback resistor programmable power supply Sensor calibration FUNCTIONAL BLOCK DIAGRAM GND RDAC REGISTER UP/DOWN CONTROL LOGIC POWER-ON RESET VDD U/D CLK CS EEPROM DATA DATA A W B EN AD5111/ AD5113/ AD5115 Figure 1. GENERAL DESCRIPTION The AD5111/AD5113/AD5115 provide a nonvolatile solution for 128-/64-/32-position adjustment applications, offering guaranteed low resistor tolerance errors of ±8% and up to ±6 mA current density in the A, B, and W pins. The low resistor tolerance, low nominal temperature coefficient, and high bandwidth simplify open-loop applications, as well as tolerance matching applications. The new low wiper resistance feature minimizes the wiper resistance in the extremes of the resistor array to only 45 Ω, typical. A simple 3-wire up/down interface allows manual switching or high speed digital control with clock rates up to 50 MHz. The AD5111/AD5113/AD5115 are available in a 2 mm × 2 mm LFCSP package. The parts are guaranteed to operate over the extended industrial temperature range of −40°C to +125°C. Table 1. ±8% Resistance Tolerance Family Model Resistance (kΩ) Position Interface AD5110 10, 80 128 I2C AD5111 10, 80 128 Up/down AD5112 5, 10, 80 64 I2C AD5113 5, 10, 80 64 Up/down AD5116 5, 10, 80 64 Push-button AD5114 10, 80 32 I2C AD5115 10, 80 32 Up/down |
Numéro de pièce similaire - AD5115 |
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Description similaire - AD5115 |
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