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PDF AH1887 Data sheet ( Hoja de datos )
| Número de pieza | AH1887 | |
| Descripción | ULTRA-SENSITIVE HALL EFFECT | |
| Fabricantes | Diodes Incorporated | |
| Logotipo |  |
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AH1887
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
www.SDaWtaSITheCetH4U.com
Description
Pin Assignments
AH1887 is with two Hall effect plates and dual CMOS output
driver, mainly designed for battery–powered, hand-held
equipment (such as Cellular and Cordless Phone, PDA). The
total operation power is down to 15uW in the 1.8V supply.
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 operate
point Bop(s), the output1 will be turned on (low), the output is
held until B is lower than release point Brp(s), then turned off
(high).
While the magnetic flux density (B) is larger than operate
point Bop(n), the output2 will be turned on (low), the output is
held until B is lower than release point Brp(n), then turned off
(high).
( Top View )
Out 2 1
5 Out 1
GND 2
NC 3
4 Vdd
SOT553
Features
Applications
• Micropower operation
• Operation with North or South Pole
• 1.65V to 3.3V battery operation
• 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
• ESD ＞ 4KV in human body mode
• Package: SOT553
• “Green” Molding Compound
• Cellular phone
• PDA
• Cordless phone
Typical Application Circuit
Vdd
AH1887
Document number: DS31313 Rev. 4 - 2
AH1887
GND
Output 1
Output 2
1 of 7
www.diodes.com
August 2010
© Diodes Incorporated
1 page  
Performance Characteristics
AH1887
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
www.SDaWtaSITheCetH4U.com
TA (°C)
PD (mW)
25 50 60 70 80 85 90 100 110 120 130 140 150
230 184 166 147 129 120 110 92 74 55 37 18
0
P D (m W )
300
P ow er D issipation C urve
200
100
0
-400 2 5
50
75 85 100
125
150
TA (oC)
Ordering Information
AH 1887 - Z G - 7
Package
Z : SOT553
Green
G : Green
Packing
7 : Tape & Reel
Device
AH1887-ZG-7
Package
Code
Z
Packaging
(Note 5 & 6)
SOT553
7” Tape and Reel
Quantity
Part Number Suffix
3000/Tape & Reel
-7
Notes:
5. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
6. 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.
AH1887
Document number: DS31313 Rev. 4 - 2
5 of 7
www.diodes.com
August 2010
© Diodes Incorporated
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AH1887.PDF ] | |
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