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PDF AH1801 Data sheet ( Hoja de datos )

Número de pieza AH1801
Descripción ULTRA-SENSITIVE HALL EFFECT SWITCH
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No Preview Available ! AH1801 Hoja de datos, Descripción, Manual

Features
AH1801
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
General Description
Micropower operation
Operation with North or South Pole
2.5V to 5.5V battery operation
Inverted Output-on without Magnet present
Chopper stabilized
Superior temperature stability
Extremely Low Switch-Point Drift
Insensitive to Physical Stress
Good RF noise immunity
-40°C to 85°C operating temperature
Low profile 3 pin SC59 (commonly known as SOT23 in
Asia) and DFN2020-3, DFN2020-6 package
ESD (HBM) 5KV for DFN2020-3 and DFN2020-6
6KV for SC59
SC59, DFN2020-3 and DFN2020-6: Available in
“Green” Molding Compound (No Br, Sb)
Lead Free Finish / RoHS Compliant (Note 1)
AH1801 is a Micropower, Ultra-sensitive Hall Effect Switch, which
is with two Hall effect plates and a output driver, mainly designed
for battery–operation, hand-held equipment (such as Cellular and
Cordless Phone, PDA). The total operation power is down to
24uW in the 3V supply.
Either north or south pole of sufficient strength will turn the output
off. The output will be turned on under no magnetic field.
While the magnetic flux density (B) is larger than operate point
(Bop), the output will be turned off, the output is held until B is
lower than release point (Brp), then turned on.
Applications
Cellular phone
PDA
Cordless phone
Ordering Information
AH1801 - XX G - 7
Package
W : SC59
FJ : DFN2020-3
SN : DFN2020-6
Green
G : Green
Packing
7 : Tape & Reel
Device
AH1801-WG-7
AH1801-FJG-7
AH1801-SNG-7
Package
Code
W
FJ
SN
Packaging
(Note 2)
SC59
DFN2020-3
DFN2020-6
7” Tape and Reel
Quantity
Part Number Suffix
3000/Tape & Reel
-7
3000/Tape & Reel
-7
3000/Tape & Reel
-7
Notes:
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
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.
AH1801 Rev. 7
1 of 10
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated

1 page




AH1801 pdf
AH1801
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Electrical Characteristics (TA = +25°C, Vdd = 3V; unless otherwise specified)
Symbol
Characteristic
Conditions
Min Typ Max Unit
Vout Output On Voltage
Ioff Output Leakage Current
Idd(en)
Idd(dis) Supply Current
Idd(avg)
Tawake Awake Time
Tperiod Period
D.C. Duty Cycle
Iout = 1mA
Vout = 5.5V, Output off
Chip enable, TA = 25°C, Vdd = 3V
Chip enable, TA = -40~85°C,
Vdd = 2.5~5.5V
Chip disable, TA = 25°C, Vdd = 3V
Chip disable, TA = -40~85°C,
Vdd = 2.5~5.5V
Average supply current,
TA = 25°C, Vdd = 3V
Average supply current,
TA = -40~85°C, Vdd = 2.5~5.5V
(Note 5)
(Note 5)
- 0.1 0.3 V
- <0.1 1
µA
-3
6 mA
-3
9 mA
- 5 10 µA
- 5 18 µA
- 8 16 µA
- 8 27 µA
- 75 150 µs
- 75 150 ms
- 0.1 - %
Notes: 5. When power is initially on, the operating Vdd (2.5V to 5.5V) must be applied to be guaranteed for the output sampling. The output state is
valid after the second operating phase (typical 150ms).
Idd(en)
Tperiod
Tawake
Idd (dis)
0
Sample and output
latched
AH1801 Rev. 7
5 of 10
www.diodes.com
FEBRUARY 2009
© Diodes Incorporated

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