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ISL22319UFU8Z Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL22319UFU8Z Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 ® FN6310.0 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 Inc. Copyright Intersil Americas Inc. 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL22319 Single Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power, I2C® Bus, 128 Taps, Wiper Only The ISL22319 integrates a single digitally controlled potentiometer (DCP) 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 wipers are controlled by the user through the I2C bus 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 controls the position of the wiper. At power up the device recalls the content of the DCP’s IVR to the WR. The DCP can be used as a voltage divider in a wide variety of applications including control, parameter adjustments, AC measurement and signal processing. Features • 128 resistor taps •I2C serial interface - Two address pins, up to four devices/bus • Non-volatile storage of wiper position • Wiper resistance: 70 Ω typical @ 3.3V • Shutdown mode • Shutdown current 5µA max • Power supply: 2.7V to 5.5V •50k Ω or 10kΩ total resistance • High reliability - Endurance: 1,000,000 data changes per bit per register - Register data retention: 50 years @ ° C • 8 Ld MSOP • Pb-free plus anneal product (RoHS compliant) Pinout ISL22319 (8 LD MSOP) TOP VIEW 1 2 3 4 8 7 6 5 SDA A0 A1 VCC SCL GND SHDN RW T55 ≤ Ordering Information PART NUMBER PART MARKING RESISTANCE OPTION (k Ω) TEMP. RANGE (°C) PACKAGE PKG. DWG. # ISL22319UFU8Z (Notes 1, 2) 319UZ 50 -40 to +125 8 Ld MSOP (Pb-Free) M8.118 ISL22319WFU8Z (Notes 1, 2) 319WZ 10 -40 to +125 8 Ld MSOP (Pb-Free) M8.118 NOTES: 1. Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are 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 “-TK” suffix for 1,000 Tape and Reel option Data Sheet July 3, 2006 |
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