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MAX4554-MAX4556: Force-Sense Switches Data Sheet (Rev. 0)4/1/1998PDF281K
Overview
Features and Benefits
- 6Ω Force Signal Paths (±15V Supplies)
- 1Ω Force Signal Matching (±15V Supplies)
- 60Ω Sense-Guard Signal Paths (±15V Supplies)
- 8Ω Sense-Guard Signal Matching (±15V Supplies)
- Rail-to-Rail Signal Handling
- Break-Before-Make Switching (MAX4556)
- tON and tOFF = 275ns (±15V Supplies)
- Low 1µA Power Consumption
- >2kV ESD Protection per Method 3015.7
- TTL/CMOS-Compatible Inputs
Product Details
The MAX4554/MAX4555/MAX4556 are CMOS analog ICs configured as force-sense switches for Kelvin sensing in automated test equipment (ATE). Each part contains high-current, low-resistance switches for forcing current, and higher resistance switches for sensing a voltage or switching guard signals. The MAX4554 contains two force switches, two sense switches, and two guard switches configured as two triple-pole/single-throw (3PST) normally open (NO) switches. The MAX4555 contains four independent single-pole/single-throw (SPST) normally closed (NC) switches, two force switches, and two sense switches. The MAX4556 contains three independent single-pole/double-throw (SPDT) switches, of which one is a force switch and two are sense switches.
These devices operate from a single supply of +9V to +40V or dual supplies of ±4.5V to ±20V. On-resistance (6Ω max) is matched between switches to 1Ω max. Each switch can handle rail-to-rail analog signals. The off-leakage current is only 0.25nA at +25°C and 2.5nA at +85°C. The MAX4554 is also fully specified for +20V and -10V operation.
All digital inputs have +0.8V and +2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility.
Applications
- ADSL with Loopback
- Automated Test Equipment (ATE)
- Automatic Calibration Circuits
- Calibrators
- Precision Power Supplies
Product Lifecycle
Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Documentation & Resources
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Selecting the Right CMOS Analog Switch1/29/2013
Design Resources
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