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AH180

MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH


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AH180 pdf
Features
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
General Description
Micropower operation
Operation with magnetic field of either north or south
pole (omnipolar)
2.5V to 5.5V battery operation
Chopper stabilized
Superior temperature stability
Good RF noise immunity
-40°C to 85°C operating temperature
SIP-3L/SC59-3L/Low profile DFN2020-6 package
ESD (HBM) 5KV for DFN2020-6
6KV for SIP-3L and SC59-3L
Lead Free Finish/RoHS Compliant for Lead Free
products (Note 1)
Green Packages: SC59-3L, DFN2020-6
Lead Free Package: SIP-3L
AH180 is comprised of two Hall effect plates and an open-drain
output driver, mainly designed for battery-operation, hand-held
equipment (such as Cellular and Cordless Phone, PDA). The
total power consumption in normal operation is typically 24µW
with a 3V power source.
Either north or south pole of sufficient strength will turn the output
on. The output will be turned off under no magnetic field. While
the magnetic flux density (B) is larger than operating point (Bop),
the output will be turned on (low), the output is held until B is
lower than release point (Brp), then turned off.
Applications
Cover switch in clam-shell cellular phones
Cover switch in Notebook PC/PDA
Contact-less switch in consumer products °C
Pin Description
Name
Vdd
GND
Output
P/I/O
P/I
P/I
O
Pin #
1
2
3
Description
Power Supply Input
Ground
Output Pin
Ordering Information
AH180 - X X X
Package
P: SIP-3L
W: SC59-3L
SN: DFN2020
Lead
Packing
L: Lead-Free ( Note 3) -A: Ammo Box (Note 5)
G: Green ( Note 4) -B: Bulk (Note 6)
-7: Taping
Note: 1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
AH180-P
AH180-W
AH180-SN
Tube/Bulk
Package Packaging
Part
Code (Note 2) Quantity Number
Suffix
P
SIP-3L
1000
-B
W
SC59-3L
NA
NA
SN
DFN2020-6
NA
NA
7” Tape and Reel
Ammo Box
Part
Part
Quantity Number Quantity Number
Suffix
Suffix
NA
3000/Tape &
Reel
3000/Tape &
Reel
NA
-7
-7
4000/Box
NA
NA
-A
NA
NA
Note:
2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
3. Lead Free is only for SIP-3L.
4. Green is only for SC59 and DFN2020.
5. Ammo Box is for SIP-3L Spread Lead.
6. Bulk is for SIP-3L Straight Lead.
AH180 Rev. 5
1 of 9
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated



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AH180 pdf
AH180
MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR
SWITCH
Pin Assignment
(SIP- 3L Top View)
3. Output
2. GND
1. Vdd
GND 2.
3. Output
1 . Vdd
(SC59-3L Top View)
1. Vdd
NC 3. Output
NC NC
2. GND
(DFN2020-6, Side view)
Note: 7. NC is “No Connection” which is recommended to be tied to ground.
Block Diagram
Hall Plate
Amp
Vdd
1
Power
switch
Latch
Hall Plate
Amp
Logical
Latch
Output
3
GND
2
AH180 Rev. 5
2 of 9
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated



Part Number AH180
Description MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Maker Diodes Incorporated - Diodes Incorporated
Total Page 9 Pages
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