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ISL22414WMU10Z Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL22414WMU10Z Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 16 page 1 ® FN6424.1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. Copyright Intersil Americas Inc. 2007, 2010. All Rights Reserved 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) and XDCPis a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. ISL22414 Single Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power, SPI® Bus, 256 Taps The ISL22414 integrates a single digitally controlled potentiometer (DCP), control logic and non-volatile memory on a monolithic CMOS integrated circuit. The digitally controlled potentiometer is 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. The potentiometer has an associated volatile Wiper Register (WR) and a non-volatile Initial Value Register (IVR) that can be directly written to and read by the user. The contents of the WR control the position of the wiper. At power-up the device recalls the contents of the DCP’s IVR to the WR. The ISL22414 also has 14 General Purpose non-volatile registers that can be used as storage of lookup table for multiple wiper position or any other valuable information. The ISL22414 features a dual supply that is beneficial for applications requiring a bipolar range for DCP terminals between V- and VCC. The 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 • 256 resistor taps • SPI serial interface with write/read capability • Daisy Chain Configuration • Shutdown mode • Non-volatile EEPROM storage of wiper position • 14 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 Ω typical @ 1mA • Standby current <2.5µA max • Shutdown current <2.5µA max • Dual power supply - VCC = 2.25V to 5.5V - V- = -2.25V to -5.5V •10k Ω, 50kΩ or 100kΩ total resistance • Extended industrial temperature range: -40°C to +125°C • Military temperature range: -55 to +125°C • 10 Lead MSOP • Pb-free (RoHS compliant) Pinout ISL22414 (10 LD MSOP) TOP VIEW 1 2 3 4 5 6 10 9 8 7 SDO V- CS SDI Vcc SCK GND RL RW RH O Ordering Information PART NUMBER (NOTES 1, 2) PART MARKING RESISTANCE OPTION (k Ω) TEMP. RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL22414TFU10Z 414TZ 100 -40 to +125 10 Ld MSOP M10.118 ISL22414UFU10Z 414UZ 50 -40 to +125 10 Ld MSOP M10.118 ISL22414WFU10Z 414WZ 10 -40 to +125 10 Ld MSOP M10.118 ISL22414WMU10Z 414WM 10 -55 to +125 10 Ld MSOP M10.118 NOTES: 1. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD- 020. 2. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications. Data Sheet December 16, 2010 |
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