bd927-14e NVE Corp., bd927-14e Datasheet

bd927-14e

Manufacturer Part Number

bd927-14e

Description

Low-voltage Digital Switch For Medical Devices

Manufacturer

NVE Corp.

Datasheet

1.BD927-14E.pdf (5 pages)

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Key Features

Description

BD927-14E Series sensors are Giant Magnetoresistive (GMR) Digital Switch devices designed to run at low

voltages and low currents. The devices are manufactured with NVE’s patented spintronic GMR technology

for unmatched miniaturization, sensitivity, precision, and low power.

The output is configured as a magnetic “switch” where the output turns on when the magnetic field is

applied, and turns off when the field is removed. The part is available in NVE’s new ULLGA leadless

package measuring just 1.1 mm x 1.1 mm x 0.4 mm.

The BD927-14E parts are ideal for single battery-powered implantable medical devices. The applied

magnetic field can be of either polarity, and the part typically consumes less than 20 microwatts at 0.9 V.

The magnetic operate point is extremely stable over supply voltage and temperature variations. The output is

current-sinking, and can sink up to 100 microamps.

The product consists of an approximately 0.6 mm x 0.6 mm die containing a GMR sensor element and

CMOS signal processing circuitry to convert the analog sensor element output to a digital output. The plastic

package is ultra-small, ultra-low profile, surface mount, lead-free, and RoHS compliant. Bare die are also

available for extremely space-critical applications.

Versions of this part with different magnetic characteristics are available. Please contact NVE for details.

NVE Corporation

 Low Voltage Operation to 0.9 V

 Low Power Consumption

 Digital Switch Output

 Precise Detection of Low Magnetic Fields

 Ultraminiature Package

Low-Voltage Digital Switch for Medical Devices

•

11409 Valley View Road, Eden Prairie, MN 55344-3617

BD927-14E

•

BD927-14E Sensors

(952) 829-9217

•

www.nve.com

Related parts for bd927-14e

bd927-14e Summary of contents

Page 1

... Precise Detection of Low Magnetic Fields  Ultraminiature Package Description BD927-14E Series sensors are Giant Magnetoresistive (GMR) Digital Switch devices designed to run at low voltages and low currents. The devices are manufactured with NVE’s patented spintronic GMR technology for unmatched miniaturization, sensitivity, precision, and low power. ...

Page 2

... The diagrams below show two permanent magnet orientations that will activate the sensor in the direction of sensitivity (planar to the package): Magnet NVE Corporation • 11409 Valley View Road, Eden Prairie, MN 55344-3617 Comparator GMR Sensor Element BD927-14E Sensors Out • (952) 829-9217 • www.nve.com ...

Page 3

... NVE Corporation • 11409 Valley View Road, Eden Prairie, MN 55344-3617 Min. Typ 4.5 0.25 0.9 1. 100 0.05 100 (3) −40 Rating Unlimited 5.5 5.5 200 +170 −65 to +170 BD927-14E Sensors Max. Units (1) 19 |Oersteds| (1) |Oersteds| (1) 6.5 |Oersteds| 2.4 Volts A 35 A 55 A 110 A 0.20 Volts A 0.5 kHz C ...

Page 4

... NVE Corporation • 11409 Valley View Road, Eden Prairie, MN 55344-3617 2.1 2.4 0 2.1 2.4 - BD927-14E Sensors Magnetic Operate Point vs. Voltage Supply, 25˚C 1.2 1.5 1.8 2.1 Supply Voltage Magnetic Operate Point vs. Temperature, 1.15V - Temperature (˚C) • (952) 829-9217 • www.nve.com 2.4 80 ...

Page 5

... No license is granted by implication, or otherwise, under any patent or patent rights of NVE Corporation. Specifications are subject to change without notice. NVE Corporation • 11409 Valley View Road, Eden Prairie, MN 55344-3617 4-Lead ULLGA Package Side View 0.40 BD927-14E Sensors Bottom View 1.10 0.35 0.30 0. Dimensions in mm ...

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