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Diodes Semiconductor Electronic Components Datasheet

AH1886 Datasheet

ULTRA-SENSITIVE HALL EFFECT

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AH1886 pdf
AH1886
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
www.SDaWtaSITheCetH4U.com
Description
Pin Assignments
AH1886 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
output1 on. The output1 will be turned off under no magnetic
field.
While the magnetic flux density (B) is larger than operate
point (Bop), the output1 will be turned on (low), the output1
is held until B is lower than release point (Brp), then turned
off.
( Top View )
Out 2 1
5 Out 1
GND 2
NC 3
4 Vdd
SOT553
Features
• 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
Typical Application Circuit
Vdd
Applications
• Cellular phone
• PDA
• Cordless phone
AH1886
GND
Output 1
Output 2
(Complement
of Output 1)
AH1886
Document number: DS31216 Rev. 4 - 2
1 of 7
www.diodes.com
September 2010
© Diodes Incorporated



Diodes Semiconductor Electronic Components Datasheet

AH1886 Datasheet

ULTRA-SENSITIVE HALL EFFECT

No Preview Available !

AH1886 pdf
Pin Descriptions
AH1886
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
www.SDaWtaSITheCetH4U.com
Pin Name
Out 2
GND
NC
Vdd
Out 1
P/I/O
O
P/I
P/I
O
Pin #
1
2
3
4
5
Description
Output Pin (Complement of Out 1)
Ground
No Connection
Power Supply Voltage
Output Pin (active Low)
Functional Block Diagram
Vdd
Hall Plate
Amp
Power
switch
Latch
Out1
Hall Plate
Amp
Logical
Latch
GND
Vdd
Out2
GND
Absolute Maximum Ratings (TA = 25°C)
Symbol
Vdd
B
TS
PD
TJ
Characteristics
Supply voltage
Magnetic flux density
Storage Temperature Range
Package Power Dissipation
Maximum Junction Temperature
Recommended Operating Conditions (TA = 25°C)
Symbol
Vdd
TA
Parameter
Supply Voltage
Operating Temperature Range
Conditions
Operating
Operating
Values
5
Unlimited
-65 to +150
230
150
Unit
V
°C
mW
°C
Rating
1.65 to 3.3
-40 to +85
Unit
V
°C
AH1886
Document number: DS31216 Rev. 4 - 2
2 of 7
www.diodes.com
September 2010
© Diodes Incorporated



Diodes Semiconductor Electronic Components Datasheet

AH1886 Datasheet

ULTRA-SENSITIVE HALL EFFECT

No Preview Available !

AH1886 pdf
AH1886
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
www.SDaWtaSITheCetH4U.com
Electrical Characteristics (TA = 25°C, Vdd = 1.8V, unless otherwise specified)
Symbol
VOH
VOL
Idd(en)
Idd(dis)
Idd(avg)
Tawake
Tperiod
D.C.
Characteristic
Output On Voltage (High side)
Output On Voltage (Low side)
Supply Current
Awake Time
Period
Duty Cycle
Conditions
IO= -0.5mA
IO= 0.5mA
Chip enable
Chip disable
average supply current
Min
Vdd-0.2
-
-
-
-
-
-
-
Typ.
-
-
2
5
7
50
50
0.1
Max
-
0.2
4
8
12
100
100
-
Unit
V
V
mA
uA
uA
µs
ms
%
Magnetic Characteristics (TA = 25°C, Vdd = 1.8V~3.0V, Note 1 & 2)
Symbol
Characteristic
Min
Typ.
(1mT=10 Gauss)
Max Unit
Bops(south pole to brand side)
Bopn(north pole to brand side)
Brps(south pole to brand side)
Brpn(north pole to brand side)
Bhy(|Bopx|-|Brpx|)
Operate Point
Release Point
Hysteresis
-
-55
6
-
3
37
-37
29
-29
8
55
-
- Gauss
-6
-
Notes: 1. Typical data is at Ta = 25°C, Vdd = 3V, and for design information only.
2. The magnetic characteristics may vary with supply voltage, operating temperature and after soldering.
Output1
Output1
Vdd ( off-state )
Turn on
B hy
Turn off
( on-state )
Vsat
Bopn B rpn 0
( Magnetic flux density B )
( off-state ) V dd
Turn off
B hy
Turn on
Vsat
( on-state )
0 Brps Bops
( Magnetic flux density B )
AH1886
Document number: DS31216 Rev. 4 - 2
3 of 7
www.diodes.com
September 2010
© Diodes Incorporated




Part Number AH1886
Description ULTRA-SENSITIVE HALL EFFECT
Maker Diodes Incorporated
Total Page 7 Pages
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