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AH1809 Schematic ( PDF Datasheet ) - Diodes

Teilenummer AH1809
Beschreibung LOW SENSITIVITY MICROPOWER OMNIPLOAR HALL-EFFECT SWITCH
Hersteller Diodes
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Gesamt 13 Seiten
AH1809 Datasheet, Funktion
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






AH1809 Datasheet, Funktion
AH1809
Thermal Performance Characteristics
(1) Package type: SC59, SOT553 and SIP-3L
TA (°C) 25 50 60 70 80 85 90 100 110 120 130 140 150
PD (mW) 230 184 166 147 129 120 110
92
74
55
37
18
0
PD (mW)
300
Power Dissipation Curve
200
100
0
T ( C)-400
25
50
75 100 125 150
o
A
Ordering Information
Part Number
Package
Code
Packaging
AH1809-W-7
AH1809-Z-7
AH1809-P-B
AH1809-P-A
Z
Z
P
P
SC59
SOT553
SIP-3L
SIP-3L
Notes:
12. Ammo Box is for SIP-3L Spread Lead.
13. Bulk is for SIP-3L Straight Lead.
Bulk
Quantity
Part
Number
Suffix
NA NA
NA NA
1000
-B
NA NA
7” Tape and Reel
Quantity
Part
Number
Suffix
3,000/Tape & Reel
-7
3,000/Tape & Reel
-7
NA NA
NA NA
Ammo Box
Quantity
Part
Number
Suffix
NA NA
NA NA
NA NA
4,000/Box
-A
AH1809
Document number: DS35523 Rev. 4 - 2
6 of 13
www.diodes.com
February 2015
© Diodes Incorporated

6 Page









AH1809 pdf, datenblatt
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
(1) Package Type: SC59
Y
Z
C
XE
Dimensions
Z
X
Y
C
E
Value (in mm)
3.4
0.8
1
2.4
1.35
(2) Package Type: SOT553
C2 C2
ZG
Y
X
C1
Dimensions
Z
G
X
Y
C1
C2
Value (in mm)
2.2
1.2
0.375
0.5
1.7
0.5
AH1809
AH1809
Document number: DS35523 Rev. 4 - 2
12 of 13
www.diodes.com
February 2015
© Diodes Incorporated

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