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SL353 Schematic ( PDF Datasheet ) - Honeywell

Teilenummer SL353
Beschreibung Micropower Omnipolar Digital Hall-Effect Sensor ICs
Hersteller Honeywell
Logo Honeywell Logo 




Gesamt 6 Seiten
SL353 Datasheet, Funktion
Micropower Omnipolar
Digital Hall-Effect Sensor ICs
DESCRIPTION
The SL353 Series sensor ICs (Integrated Circuits) are small,
versatile, digital Hall-effect devices operated by the magnetic
field from a permanent magnet or an electromagnet. These
sensitive devices are designed to meet a wide range of
potential applications with low power requirements.
The SL353 Series responds to either a North or South pole,
meaning that they do not require the magnet polarity to be
identified, providing an easier installation and potentially
reducing system cost.
These low-power sensing devices use BiCMOS (Bipolar
Complementary Metal Oxide Semiconductor) technology and a
timing circuit that turns the power on for only a short time it is
off for the rest of the period (duty cycle) significantly reducing
the average current consumption.
Both products can operate from a supply voltage as low as
2.2 V, promoting energy efficiency.
VALUE PROPOSITIONS
SL353LT
For device manufacturers who need ultra low power sensing
for battery-operated, mobile applications, Honeywell’s
SL353LT Omnipolar Hall-Effect Sensor IC provides an ultra
low power (1.8 μA, 2.8 Vdc) sensor IC and helps minimize
PCB (Printed Circuit Board) space, part count and cost for
the entire application.
Unlike other low power Hall-effect sensors, the SL353LT offers
ultra low power sensing with significantly lower noise
emissions and the ability to minimize PCB space and cost
for the entire application as demonstrated by a non-chopper
stabilized design, subminiature SOT-23 packaging,
omnipolar sensing, the shortest active mode time and
lowest average current in its class.
The push-pull output does not require a pull-up resistor and
can operate with very low current levels, potentially helping to
reduce cost and minimizing the total current consumption.
The SL353 Series is available in two duty cycle configurations
to accommodate a variety of application needs:
SL353HT: High duty cycle (13% typ.) for applications
requiring high switching speed and a lower current
(0.33 mA typ.) than standard Hall-effect sensor ICs.
SL353LT: Very low duty cycle (0.013% typ.), resulting in
extended battery life in applications requiring extremely low
current drain (1.8 µA typ.) and not requiring a high
switching speed.
The SL353 Series has a typical operating point of ±60 Gauss
at 25 °C [77 °F].
These sensors are available in the subminiature SOT-23
surface mount package on tape and reel (3000 units per reel),
for use in automated pick-and-place component installation.
SL353HT
For device manufacturers who need to optimize the PC
board in energy efficient, “green” products with higher
switching frequency requirements, Honeywell’s SL353HT
Omnipolar Hall-Effect Sensor IC provides a low power sensor
IC that can be used in higher switching frequency
applications.
Unlike standard Hall-Effect sensors, the SL353HT offers the
ability to optimize the PCB in high switching frequency
applications as demonstrated by its low power (0.33 mA,
2.8 Vdc) use, high duty cycle (13% typ.) and subminiature
SOT-23 package size.






SL353 Datasheet, Funktion
WARNING
PERSONAL INJURY
DO NOT USE these products as safety or emergency stop
devices or in any other application where failure of the
product could result in personal injury.
Failure to comply with these instructions could result
in death or serious injury.
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as being free of
defective materials and faulty workmanship. Honeywell’s
standard product warranty applies unless agreed to otherwise
by Honeywell in writing; please refer to your order
acknowledgement or consult your local sales office for specific
warranty details. If warranted goods are returned to Honeywell
during the period of coverage, Honeywell will repair or replace,
at its option, without charge those items it finds defective. The
foregoing is buyer’s sole remedy and is in lieu of all other
warranties, expressed or implied, including those of
merchantability and fitness for a particular purpose. In no
event shall Honeywell be liable for consequential, special,
or indirect damages.
While we provide application assistance personally, through
our literature and the Honeywell web site, it is up to the
customer to determine the suitability of the product in the
application.
Specifications may change without notice. The information we
supply is believed to be accurate and reliable as of this
printing. However, we assume no responsibility for its use.
WARNING
MISUSE OF DOCUMENTATION
The information presented in this product sheet is for
reference only. Do not use this document as a product
installation guide.
Complete installation, operation, and maintenance
information is provided in the instructions supplied with
each product.
Failure to comply with these instructions could result
in death or serious injury.
SALES AND SERVICE
Honeywell serves its customers through a worldwide network
of sales offices, representatives and distributors. For
application assistance, current specifications, pricing or name
of the nearest Authorized Distributor, contact your local sales
office or:
Internet: www.honeywell.com/sensing
Phone and Fax:
Asia Pacific
Europe
Latin America
USA/Canada
+65 6355-2828
+65 6445-3033 Fax
+44 (0) 1698 481481
+44 (0) 1698 481676 Fax
+1-305-805-8188
+1-305-883-8257 Fax
+1-800-537-6945
+1-815-235-6847
+1-815-235-6545 Fax
Sensing and Control
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422
www.honeywell.com/sensing
005935-1-EN IL50 GLO Printed in USA
March 2011
© 2011 Honeywell International Inc. All rights reserved.

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