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PDF AH9250 Data sheet ( Hoja de datos )
| Número de pieza | AH9250 | |
| Descripción | HIGH SENSITIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AH9250 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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AH9250
HIGH SENSITIVITY MICROPOWER
OMNIPOLAR HALL-EFFECT SWITCH
Description
Pin Assignments
The AH9250 is a high sensitivity Hall-effect switch with internal pull-up
resistor on the output, designed for battery operated handheld
equipments to industrial applications.
A chopper stabilized architecture improves stability of magnetic switch
points over the whole operating range. A sleep-awake logic controls
the sleep and awake time to reduce the average operating current of
the device. During the awake time, the output is changed with the
magnetic flux density. During the sleep time, the output is latched in
its previous state and the current consumption reduces to 4µA typical
at 3V. The average current consumption is 8µA at 3V.
The output can be switched on with either north or south pole of
sufficient strength. If the magnetic flux density perpendicular to the
part marking surface is larger than operating point (BOP), the output
will be turned on; if it is less than releasing point (BRP), the output will
be turned off.
The AH9250 is available in industry standard TO92S and SC59
packages.
(Front View)
3
2
1
TO92S
(Top View)
GND
3
OUTPUT
GND
VDD
Features
Omnipolar Operation (Switching with North or South Poles)
2.5V to 5.5V Power Supply
Micropower Operation
Built in Pull-up Resistor on the Output
Stabilized Chopper
Superior Temperature Stability
Digital Output Signal
-40°C to +85°C Operating Temperature
ESD (HBM): 5000V
Small Low Profile Industry Standard SC59 and TO92S Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
12
VDD OUTPUT
SC59
Applications
Cover Switch in Notebook PC/PDA
Handheld Wireless Applications Proximity Detection Switches
Doors, Lids, Covers and Tray Position Detect Switches
Liquid Level Detection
Battery Powered Consumer, Home Appliances and Industrial
Applications
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.
AH9250
Document number: DS38217 Rev.1 - 2
1 of 10
www.diodes.com
September 2015
© Diodes Incorporated
1 page  
Performance Characteristics
80
60
40
20
0
-20
-40
-60
-80
2.5
BOP/BRP vs. Supply Voltage
B
OPS
B
RPS
B
OPN
B
RPN
3.0 3.5 4.0 4.5 5.0
V (V)
DD
5.5
Average Supply Current vs. Supply Voltage
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V (V)
DD
Sleep Mode Time vs. Supply Voltage
200
175
150
125
100
75
50
25
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V (V)
DD
AH9250
80
60
40
20
0
-20
-40
-60
-80
-40
BOP/BRP vs. Ambient Temperature
B
OPS
B
RPS
B
OPN
B
RPN
-20 0 20 40 60 80 100
Ambient Temperature (OC)
Awake Mode Time vs. Supply Voltage
300
250
200
150
100
50
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V (V)
DD
AH9250
Document number: DS38217 Rev.1 - 2
5 of 10
www.diodes.com
September 2015
© Diodes Incorporated
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AH9250.PDF ] | |
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