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ISL43840IR Datasheet(PDF) 1 Page - Intersil Corporation |
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ISL43840IR Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 14 page 1 ® FN6056 ISL43840 Low-Voltage, Single and Dual Supply, Dual 4 to 1 Multiplexer Analog Switch with Enable The Intersil ISL43840 device is a precision, bidirectional, analog switches configured as a a dual 4 channel multiplexer/ demultiplexer designed to operate from a single +2V to +12V supply or from a ±2V to ±6V supply. The device has two enable bar pins to simultaneously open all signal paths of bank A and B. ON resistance of 39 Ω with a ±5V supply and 125Ω with a +3.3V supply. Each switch can handle rail to rail analog signals. The off-leakage current is only .01nA at +25oC or 2.5nA at +85oC. All digital inputs have 0.8V to 2.4V logic thresholds, ensuring TTL/CMOS logic compatibility when using a single 3.3V or +5V supply or dual ±5V supplies. The ISL43840 is a dual 4 to 1 multiplexer device. Table 1 summarizes the performance of this part. 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” • Application Note AN520 “CMOS Analog Multiplexers and Switches; Specifications and Application Considerations.” • Application Note AN1034 “Analog Switch and Multiplexer Applications” Features • Fully Specified at 3.3V, 5V, ±5V, and 12V Supplies for 10% Tolerances • ON Resistance (RON) Max, VS = ±4.5V. . . . . . . . . . . 50Ω • ON Resistance (RON) Max, VS = +3V . . . . . . . . . . . 155Ω •RON Matching Between Channels, VS = ±5V . . . . . . . . <2Ω • Low Charge Injection, VS = ±5V . . . . . . . . . . . . . 1pC (Max) • Single Supply Operation. . . . . . . . . . . . . . . . . . . +2V to +12V • Dual Supply Operation . . . . . . . . . . . . . . . . . . . . . ±2V to ±6V • Fast Switching Action (VS = +5V) -tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38ns -tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19ns • Guaranteed Max Off-leakage . . . . . . . . . . . . . . . . . . . . 2.5nA • Guaranteed Break-Before-Make • TTL, CMOS Compatible Applications • Communications Systems -Radios - Telecom Infrastructure - ADSL, VDSL Modems • Test Equipment - Medical Ultrasound - Magnetic Resonance Image - CT and PET Scanners (MRI) -ATE - Electrocardiograph • Audio and Video Signal Routing • Various Circuits - +3V/+5V DACs and ADCs - Sample and Hold Circuits - Operational Amplifier Gain Switching Networks - High Frequency Analog Switching - High Speed Multiplexing - Integrator Reset Circuits TABLE 1. FEATURES AT A GLANCE CONFIGURATION DUAL 4:1 MUX ±5V R ON 39 Ω ±5V tON / tOFF 32ns/18ns 12V RON 32 Ω 12V tON / tOFF 23ns/15ns 5V RON 65 Ω 5V tON / tOFF 38ns/19ns 3.3V RON 125 Ω 3.3V tON / tOFF 70ns/32ns Package 20 Ld 4x4 QFN Data Sheet September 2003 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. 2003. All Rights Reserved |
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