AH1815：全极性的霍尔效应开关 _ BDTIC 中国领先电子元器件代理商

Part Number	Data Sheet	SPICE Model	# Outputs	ActiveHigh orLow	Sensitivity	Operating Voltage (V)	Average Supply Current (µA)	Min OperatingPoint ±Bop (Guass)	Typ OperatingPoint ±Bop(Guass)	Max OperatingPoint ±Bop(Guass)	Min ReleasePoint ±Brp(Guass)	Typ ReleasePoint ±Brp(Guass)	Max ReleasePoint ±Brp(Guass)	Operating Ambient Temperature Range (°C)
AH1815	AH1815.pdf	-	1	Low	Low	1.6 to 3.6	8	±255	±395	±540	±230	±335	±495	-40 to +125

The AH1815 is a low-sensitivity, micro-power Omnipolar Hall effect

switch IC, designed for portable and battery powered consumer

equipment for home appliance and industrial applications such as

smart-meter magnetic-tamper detection. Based on two sensitive Hall

effect plates and a chopper-stabilized architecture, the AH1815

provides a reliable solution over the whole operating range. To

support portable and battery powered equipment, the design has

been optimized to operate over the supply range of 2.5V to 5.5V and

consumes only 24μW with a supply of 3V.

The single open drain output can switch on with either a north or

south pole of sufficient strength. When the magnetic flux density (B)

perpendicular to the package is larger than operate point (Bop) the

output is switched on (pulled low). The output is turned off when

B becomes lower than the release point (Brp). The output will remain

off when there is no magnetic field.

Doors, Lids, Covers and Tray Position Detect Switches
Display Switch for Portable PCs and Tablets
On/Off Switch for PDAs and Digital Cameras
Liquid Level Detection for Coffee Machines
Smart Meters
Position, Proximity and Level Detection Contactless Switch in Battery Powered Consumer, Home Appliances and Industrial Applications

Omnipolar (north or south pole) Operation
Low Sensitivity
Single Open Drain Output
Micropower Operation
2.5V to 5.5V Operating Range
Chopper Stabilized Design Provides Superior Temperature Stability Minimal Switch Point Drift Enhanced Immunity to Stress
Good RF Noise Immunity
-40°C to +125°C Operating Temperature
ESD (HBM) > 6KV
Industry Standard SC59 Package
Totally Lead-Free & Fully RoHS Compliant
Halogen and Antimony Free. “Green” Device