ISL84782| Datasheet

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ISL84782
Data Sheet November 17, 2004 FN6097.3

Ultra Low ON-Resistance, Low-Voltage, Single Supply, Differential 4 to 1 Analog Multiplexer
The Intersil ISL84782 device contains precision, bidirectional, analog switches configured as a differential 4-channel multiplexer/demultiplexer. It is designed to operate from a single +1.6V to +3.6V supply. The device has an inhibit pin to simultaneously open all signal paths. ON resistance is 0.5 with a +3V supply and 0.62 with a single +1.8V supply. Each switch can handle rail to rail analog signals. The off-leakage current is only 4nA max at +25 C and 30nA max at +85 C with a +3.3V supply. All digital inputs are 1.8V logic-compatible when using a single +3V supply. The ISL84782 is a differential 4 to 1 multiplexer device that is offered in a 16 Ld TSSOP package and a 16 Ld thin QFN package. Table 1 summarizes the performance of this family.
TABLE 1. FEATURES AT A GLANCE ISL84782 Configuration 3V RON 3V tON/tOFF 1.8V RON 1.8V tON/tOFF Packages Diff 4:1 Mux 0.5 16ns/13ns 0.62 24ns/16ns 16 Ld TSSOP, 16 Ld 3x3 Thin QFN

Features
Pin Compatible Replacement for the MAX4782 and MAX4618 ON Resistance (RON) - V+ = +3.0V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 - V+ = +1.8V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.62 RON Matching Between Channels. . . . . . . . . . . . . . . . 0.12 RON Flatness Across Signal Range . . . . . . . . . . . . . .0.056 Single Supply Operation. . . . . . . . . . . . . . . . . +1.6V to +3.6V Low Power Consumption (PD). . . . . . . . . . . . . . . . . . <0.2uW Fast Switching Action (VS = +3V) - tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16ns - tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13ns Guaranteed Break-Before-Make High Current Handling Capacity (300mA Continuous) Available in 16 Ld 3x3 Thin QFN and 16 Ld TSSOP 1.8V CMOS-Logic Compatible (+3V Supply) Pb-Free Available (RoHS Compliant) (see Ordering Info) ISL84782IR Replaces the ISL43L740IR.

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)" Application Note AN557 "Recommended Test Procedures for Analog Switches"

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2004. All Rights Reserved All other trademarks mentioned are the property of their respective owners.