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ISL22323UFV14Z Fiches technique(PDF) 1 Page - Intersil Corporation |
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ISL22323UFV14Z Fiches technique(HTML) 1 Page - Intersil Corporation |
1 / 18 page 1 ® FN6422.1 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 Inc. Copyright Intersil Americas Inc. 2007, 2008. All Rights Reserved All other trademarks mentioned are the property of their respective owners. ISL22323 Dual Digitally Controlled Potentiometer (XDCP™) Low Noise, Low Power, I2C® Bus, 256 Taps The ISL22323 integrates two digitally controlled potentiometers (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 wipers are controlled by the user through the I2C bus interface. The 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 corresponding wiper. At power up the device recalls the contents of the DCP’s IVRi to the correspondent WRi. The ISL22323 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 ISL22323 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 potentiometers or as two-terminal variable resistors in a wide variety of applications including control, parameter adjustments, and signal processing. Features • Two potentiometers in one package • 256 resistor taps •I2C serial interface - Three address pins, up to eight devices per bus • 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 Ω typical @ 1mA • Standby current <4µA max • Shut-down current <4µA 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 to +125°C • 14 Ld TSSOP or 16 Ld QFN • Pb-free (RoHS compliant) Ordering Information PART NUMBER (Notes 1, 2) PART MARKING RESISTANCE OPTION (k Ω) TEMPERATURE RANGE (°C) PACKAGE (Pb-Free) PKG. DWG. # ISL22323TFV14Z 22323 TFVZ 100 -40 to +125 14 Ld TSSOP M14.173 ISL22323TFR16Z 223 23TFRZ 100 -40 to +125 16 Ld QFN L16.4x4A ISL22323UFV14Z 22323 UFVZ 50 -40 to +125 14 Ld TSSOP M14.173 ISL22323UFR16Z 223 23UFRZ 50 -40 to +125 16 Ld QFN L16.4x4A ISL22323WFV14Z 22323 WFVZ 10 -40 to +125 14 Ld TSSOP M14.173 ISL22323WFR16Z 223 23WFRZ 10 -40 to +125 16 Ld QFN L16.4x4A 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 “-TK” suffix for tape and reel. Please refer to TB347 for details on reel specifications. Data Sheet March 13, 2008 |
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