Overview
Description
The Intersil ISL43240 device is a CMOS, precision, quad SPDT analog switch designed to operate from a single +2V to +12V supply or from a ±2V to ±6V supply. Targeted applications include battery powered equipment that benefit from the devices’ low power consumption (5µW), low leakage currents (5nA max), and fast switching speeds (tON = 52ns, tOFF = 40ns). A 5Ω maximum rON flatness ensures signal fidelity, while channel-to-channel mismatch is guaranteed to be less than 2Ω. The ISL43240 is a quad single-pole/double-throw (SPDT) device and can be used as a quad SPDT, a quad 2:1 multiplexer, a single 4:1 multiplexer or a dual 2-channel differential multiplexer. Table 1 summarizes the performance of this family.
Features
- Fully specified for 10% tolerances at VS = ±5V and V+ = 12V, 5V and 3.3V
- Four separately controlled SPDT switches
- ON-resistance (rON): 18Ω
- rON matching between channels: <1Ω
- Low charge injection: 5pC (Max)
- Low power consumption (PD): <5µW
- Low off leakage current (max at +85°C): 2.5nA
- Fast switching action
- tON: 52ns
- tOFF: 40ns
- Guaranteed break-before-make
- Minimum 2000V ESD protection per Method 3015.7
- TTL, CMOS compatible
- Pb-free (RoHS compliant)
Comparison
Applications
- Battery Powered, Handheld, and Portable Equipment Barcode Scanners Laptops, Notebooks, Palmtops
- Communications Systems Radios XDSL and PBX/PABX RF "Tee" Switches Base Stations
- Test Equipment Medical Ultrasound Electrocardiograph ATE
- Audio and Video Switching
- General Purpose Circuits +3V/+5V DACs and ADCs Digital Filters Operational Amplifier Gain Switching Networks High Frequency Analog Switching High Speed Multiplexing
Design & Development
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
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