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AH373 Schematic ( Datenblatt PDF ) - Diodes Incorporated

Teilenummer AH373
Beschreibung INTERNAL PULL-UP HALL EFFECT LATCH
Hersteller Diodes Incorporated
Logo Diodes Incorporated Logo 

Gesamt 12 Seiten
		
AH373 Datasheet, Funktion
AH373
INTERNAL PULL-UP HALL EFFECT LATCH
Description
AH373 is a single-digital-output Hall-Effect latch sensor with internal
pull-up resistor for high temperature operation. The device includes
an on-chip Hall voltage generator for magnetic sensing, an amplifier
to amplify Hall voltage, and a comparator to provide switching
hysteresis for noise rejection, and an output driver with a pull-up
resistor. An internal band-gap regulator provides a temperature
compensated supply voltage for internal circuits and allows a wide
operating supply range.
When the magnetic flux density (B) perpendicular to the package is
larger than operate point (Bop), output is switched on (OUT pin is
pulled low). The output state is held on until a magnetic flux density
reversal falls below Brp. When B is less than Brp, the output is
switched off.
The AH373 is available in SIP-3L, SC59 and SOT23 packages.
Pin Assignments
(TOP View)
SC59 and SOT23
(TOP View)
SIP-3L
3. OUT
2. GND
1. VDD
Features
Bipolar Hall Effect Latch Operation
2.2V to 20V Operating Range
Single Output with Built-in Pull-up Resistor
25mA output Sink Capability
-40C to +125°C Operating Temperature
Industry Standard SIP-3L, SC59 and SOT23 Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
Rotor Position Sensing for Motor Commutation
Encoder
Speed Measurement – RPM Monitor
Contact-less Current Switch
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Typical Application Circuits
IA
IB
Driver
&
IC
Ia
Ib
Ic
Control Logic
HA
HB
HC
Hall Motor Driver
M
RPM sensing
Digital Hall Effect Sensor
M: Three Phase Hall Motor
3 Phase Hall Motor
AH373
Document number: Draft DS31173 Rev. 11 - 2
1 of 12
www.diodes.com
September 2013
© Diodes Incorporated






AH373 Datasheet, Funktion
Ordering Information
AH373
Part Number
Package
Code
Packaging
(Note 11)
AH373-PL-A
AH373-PL-B
AH373-PG-A
AH373-PG-B
AH373-SA-7
AH373-WL-7
AH373-WG-7
P
P
P
P
SA
W
W
SIP-3L
SIP-3L
SIP-3L
SIP-3L
SOT23
SC59
SC59
Bulk
7” Tape and Reel
Quantity
Part Number
Suffix
Quantity
Part Number
Suffix
NA NA
NA
NA
1000
-B
NA
NA
NA NA
NA
NA
1000
-B
NA
NA
NA
NA 3000/Tape & Reel
-7
NA
NA 3000/Tape & Reel
-7
NA
NA 3000/Tape & Reel
-7
Ammo Box
Quantity
Part Number
Suffix
4000/Box
-A
NA NA
4000/Box
-A
NA NA
NA NA
NA NA
NA NA
Notes:
9. Ammo Box is for SIP-3L Spread Lead.
10. Bulk is for SIP-3L Straight Lead.
11. Reverse taping as shown on Diodes Inc. Surface Mount (SMD) Packaging document AP02007, which can be found on our website
http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
(1) Package Type: SC59 and SOT23
(2) Package Type: SIP-3L
Part Number
AH373
AH373
Package
SC59
SOT23
Identification Code
P2
S2
AH373
Document number: Draft DS31173 Rev. 11 - 2
6 of 12
www.diodes.com
September 2013
© Diodes Incorporated

6 Page







AH373 pdf, datenblatt
AH373
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2013, Diodes Incorporated
www.diodes.com
AH373
Document number: Draft DS31173 Rev. 11 - 2
12 of 12
www.diodes.com
September 2013
© Diodes Incorporated

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