EC2621-Micropower CMOS Output Hall Effect Switch
EC2621 Hall-effect sensor is a temperature stable, stress-resistant, Low Tolerance of Sensitivity micro-power switch. Superior high-temperature performance is made possible through a dynamic offset cancellation that utilizes chopper-stabilization. This method reduces the offset voltage normally caused by device over molding, temperature dependencies, and thermal stress.
EC2621 is special made for low operation voltage, 1.65V, to active the chip which is includes the following on a single silicon chip: voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, CMOS output driver. Advanced CMOS wafer fabrication processing is used to take advantage of low-voltage requirements, component matching, Very low input-offset errors, and small component geometries. This device requires the presence of omni-polar magnetic fields for operation.
The package type is in a Halogen Free version has been verified by third party Lab.
lCMOS Hall IC Technology
lStrong RF noise protection
l1.65 to 3.5V for battery-powered applications
lOmni polar, output switches with absolute value of North or South pole from magnet
lOperation down to 1.65V, Micro power consumption
lHigh Sensitivity for reed switch replacement applications
lMulti Small Size option
lLow sensitivity drift in crossing of Temp. range
lUltra Low power consumption at 5uA (Avg)
lHigh ESD Protection, HMB > ±4KV( min )
lSolid state switch
lHandheld Wireless Handset Awake Switch ( Flip Cell/PHS Phone/Note Book/Flip Video Set)
lLid close sensor for battery powered devices
lMagnet proximity sensor for reed switch replacement in low duty cycle applications
Typical Applications circuit