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ISL54055IRUZ-T Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL54055IRUZ-T Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 13 page 1 Ultra Low ON-Resistance, Low Voltage, Single Supply, Single SPST/1:2 Distribution Analog Switch ISL54054, ISL54055 The Intersil ISL54054 and ISL54055 devices consist of low ON-resistance, low voltage, bi-directional SPST analog switches designed to operate from a single +1.8V to +5.5V supply. These devices have an unique architecture. They have two signal pins (pin 1 and pin 3) that are simultaneously connected or disconnected to a common pin (pin 4) under the control of a single logic control pin (pin 6). The ISL54054 switches are OFF when the logic is low and ON when the logic is high. The ISL54055 switches are ON when the logic is low and OFF when the logic is high. This architecture allows these devices to be used as a single SPST switch or as a distribution switch to distribute a single source to two different loads. SPST operation is achieved by using one of the signal pins while floating the other signal pin or by externally connecting the two signal pins together. When both signal pins are tied together, the rON of the SPST is reduced by half, from 1Ω to 0.5Ω (when operated with a 5V supply). Targeted applications include battery powered equipment that benefit from low rON resistance, excellent rON flatness, and fast switching speeds (tON = 12ns, tOFF = 12ns). The digital logic input is 1.8V logic compatible when using a single 2.7V to +3.6V supply and TTL compatible when the supply is > +3.6V. The ISL54054 is offered in a 6 Ld 1.2mmx1.0mmx0.5mm μTDFN and 6 Ld SOT-23 packages. The ISL54055 is offered in a 6 Ld 1.2mmx1.0mmx0.5mm μTDFN, alleviating board space limitations. The ISL54054 has two normally open (NO) switches and the ISL54055 has two normally closed (NC) switches. Features • ON-resistance (rON) (Signal Pins Connected) -VCC = +5.0V. . . . . . . . . . . . . . . . . . . . . 0.34Ω -VCC = +3.0V. . . . . . . . . . . . . . . . . . . . . 0.51Ω -VCC = +1.8V. . . . . . . . . . . . . . . . . . . . . 1.1Ω •rON flatness (+4.5V supply) . . . . . . . . . . . . 0.13Ω • Single supply operation . . . . . . . . +1.8V to +5.5V • Fast switching action (+4.5V supply) -tON . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ns -tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ns • ESD HBM rating . . . . . . . . . . . . . . . . . . . . . . >6kV • 1.8V logic compatible (+3V supply) • Available in 6 Ld μTDFN and 6Ld SOT-23 Packages • Pb-free (RoHS compliant) Applications • Battery powered, handheld and portable equipment - Cellular/mobile phones -Pagers - Laptops, notebooks, palmtops • Portable test and measurement • Medical equipment • Audio and video switching Related Literature • Technical Brief TB363 “Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)” TABLE 1. FEATURES AT A GLANCE ISL54054 ISL54055 Number of Switches 11 SW NO NC 1.8V rON 1.1Ω 1.1Ω 1.8V tON/tOFF 115ns/90ns 115ns/90ns 3V rON 0.51Ω 0.51Ω 3V tON/tOFF 22ns/17ns 22ns/17ns 5V rON 0.34Ω 0.34Ω 5V tON/tOFF 12ns/12ns 12ns/12ns Packages 6 Ld μTDFN, 6Ld SOT-23 6 Ld μTDFN CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2007, 2009. All Rights Reserved All other trademarks mentioned are the property of their respective owners. October 19, 2009 FN6461.2 |
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