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Número de pieza | AH1809 | |
Descripción | LOW SENSITIVITY MICROPOWER OMNIPLOAR HALL-EFFECT SWITCH | |
Fabricantes | Diodes | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de AH1809 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
No Preview Available ! AH1809
LOW SENSITIVITY MICROPOWER
OMNIPLOAR HALL-EFFECT SWITCH
Description
The AH1809 is a low sensitivity micropower Omnipolar Hall Effect
switch IC. It is designed for battery powered consumer products,
home appliances, and industrial equipment such smart e-meters.
Based on two Hall Effect plates and a chopper stabilized architecture
the AH1809 provides a reliable solution over the whole operating
range. To support battery and low power applications 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 be switched on with either a North
or South pole of sufficient strength. When the magnetic flux density
perpendicular to the package (B) 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.
The AH1809 is available in SC59, SOT553 and SIP-3L.
Features
• 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
• High ESD
• Small Low Profile SOT553 and Industry Standard SC59 and
SIP-3L Packages
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
TOP View)
GND 2
SC59
3 OUTPUT
1 VDD
(TOP View)
SOT553
(TOP View)
SIP-3L
Applications
• Smart E-Meters
• Tamper Protection Switch
• Door, Lids and Tray Position Switch
• Proximity and Position Switches
• Level Detects
• On/Off Switch Digital Contact-Less Switch in Industrial and
Consumer Products
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.
AH1809
Document number: DS35523 Rev. 4 - 2
1 of 13
www.diodes.com
February 2015
© Diodes Incorporated
1 page Typical Operating Characteristics
AH1809
TTAA==+2+52°5C°C
25
20 5.5V
15
10 3V
5 2.5V
0
-50 -25
0 25 50 75 100 125 150
Temperature (°C)
Average Supply Current vs. Temperature
TA = +25°C
AH1809
Document number: DS35523 Rev. 4 - 2
5 of 13
www.diodes.com
February 2015
© Diodes Incorporated
5 Page Package Outline Dimensions (cont.) (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
(4) Package Type: SIP-3L for Ammo Pack
EF
A
BP
DN
C
G a1
a2
SIP-3
for Ammo Pack only
Dim Min
Max
A 3.9
4.3
a1 45°Typ
a2 3°Typ
B 2.8 3.2
C 1.40 1.60
D 0.35 0.41
E 0.43 0.48
F 0 0.2
G 2.4 2.9
N 0.63 0.84
P 1.55
-
All Dimensions in mm
AH1809
Sensor location
AH1809
Document number: DS35523 Rev. 4 - 2
11 of 13
www.diodes.com
February 2015
© Diodes Incorporated
11 Page |
Páginas | Total 13 Páginas | |
PDF Descargar | [ Datasheet AH1809.PDF ] |
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