The Intersil ISL43841 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 a latch bar pin to lock in the last switch address. ON resistance of 39Ω 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 0. 1nA at +25°C or 2. 5nA at +85°C. 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.


  • 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
  • Pb-free available




  • 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


Type Title Date
Datasheet PDF 748 KB
End Of Life Notice PDF 319 KB
Manual - Development Tools PDF 1.21 MB
Manual - Development Tools PDF 1.09 MB
Manual - Development Tools PDF 721 KB
Product Change Notice PDF 225 KB
Application Note PDF 843 KB
7 items

Design & Development

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Software Downloads

Type Title Date
PCB Design Files ZIP 759 KB
PCB Design Files ZIP 4.38 MB
PCB Design Files ZIP 569 KB
3 items

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