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ISL22424UFV14Z датащи(PDF) 1 Page - Intersil Corporation |
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ISL22424UFV14Z датащи(HTML) 1 Page - Intersil Corporation |
1 / 20 page 1 FN6425.1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) and XDCP are registered trademarks of Intersil Americas LLC Copyright Intersil Americas LLC 2007, 2015. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL22424 Dual Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power, SPI® Bus, 256 Taps The ISL22424 integrates two digitally controlled potentiometers (DCP), control logic and non-volatile memory on a monolithic CMOS integrated circuit. The digitally controlled potentiometers are implemented with a combination of resistor elements and CMOS switches. The position of the wiper is controlled by the user through the SPI serial interface. Each potentiometer has an associated volatile Wiper Register (WRi) and a non-volatile Initial Value Register (IVRi) that can be directly written to and read by the user. The contents of the WRi control the position of the wiper. At power-up the device recalls the contents of the DCP’s IVRi to the corresponding WRi. The ISL22424 also has 13 General Purpose non-volatile registers that can be used as storage of lookup table for multiple wiper position or any other valuable information. The ISL22424 features a dual supply, that is beneficial for applications requiring a bipolar range for DCP terminals between V- and VCC. Each DCP can be used as three-terminal potentiometer or as two-terminal variable resistor in a wide variety of applications including control, parameter adjustments, and signal processing. Features • Two potentiometers in one package • 256 resistor taps • SPI serial interface with write/read capability • Daisy Chain Configuration • Shutdown mode • Non-volatile EEPROM storage of wiper position • 13 General Purpose non-volatile registers • High reliability - Endurance: 1,000,000 data changes per bit per register - Register data retention: 50 years @ T 55°C • Wiper resistance: 70 typical @ 1mA • Standby current <4µA max • Shutdown current <4µA max • Dual power supply -VCC = 2.25V to 5.5V - V- = -2.25V to -5.5V •10k 50kor 100k total resistance • Extended industrial temperature range: -40ºC to +125ºC • 14 Ld TSSOP or 16 Ld QFN • Pb-free plus anneal product (RoHS compliant) Data Sheet September 9, 2015 |
Аналогичный номер детали - ISL22424UFV14Z |
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Аналогичное описание - ISL22424UFV14Z |
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