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부품번호 | AH1803 기능 |
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기능 | ULTRA-SENSITIVE HALL EFFECT SWITCH | ||
제조업체 | Diodes | ||
로고 | |||
전체 9 페이지수
Features
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
General Description
• Micropower operation
• Operation with North or South Pole
• 2.4 to 5.5V 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
• Low profile 3 pin SC59 (commonly known as SOT23 in
Asia) and DFN2020-6 package
• ESD (HBM) > 4KV for DFN2020-6
• SC59 (commonly known as SOT23 in Asia) and
DFN2020-6: Available in “Green” Molding Compound
(No Br, Sb)
• Lead Free Finish/ RoHS Compliant (Note 1)
AH1803 is with two Hall effect plates and a CMOS 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 on. The output will be turned off under no magnetic field.
While the magnetic flux density (B) is larger than operate point
(Bop), the output will be turned on (low), the output is held until
B is lower than release point (Brp), then turned off (High).
Applications
• Cellular phone
• PDA
• Cordless phone
Typical Circuit
2.4~5.5V
C*
AH1803
GND
Output
* C is for power stabilization and to strengthen the noise immunity, the
recommended capacitance is 10nF~100nF.
AH1803 Rev. 9
DS31193
1 of 9
www.diodes.com
OCTOBER 2009
© Diodes Incorporated
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Electrical Characteristics (TA= +25°C, Vdd= 3V; unless otherwise specified)
Symbol
Characteristic
Conditions
Min Typ. Max Unit
VOH Output On Voltage (High side) IOUT = -1mA
VOL Output On Voltage (Low side) IOUT = 1mA
Vdd-0.2
-
-
-
-V
0.1 V
Idd(en)
Chip enable, TA = 25°C,
Vdd = 3V
- 3 6 mA
Chip enable, TA = -40~85°C,
Vdd = 2.4~5.5V
-
3 9 mA
Idd(dis) Supply Current
Chip disable, TA = 25°C,
Vdd = 3V
- 5 10 µA
Chip disable, TA = -40~85°C,
Vdd = 2.4~5.5V
-
5 18 µA
Idd(avg)
Tawake Awake Time
Average supply current,
TA = 25°C , Vdd = 3V
Average supply current,
TA = -40~85°C, Vdd = 2.4~5.5V
(Note 5)
-
-
-
8 16 µA
8 27 µA
75 150 µs
Tperiod Period
(Note 5)
- 75 150 ms
D.C. Duty Cycle
-
0.1 -
%
Notes: 5. When power is initially on, the operating Vdd (2.4V 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
AH1803 Rev. 9
DS31193
4 of 9
www.diodes.com
OCTOBER 2009
© Diodes Incorporated
4페이지 AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Package Information (All Dimensions in mm)
(1) Package Type: SC59 (commonly known as SOT23 in Asia)
0.35/0.50
TOP VIEW
2.70/
3.00
1.00/
1.30
1.90
2.90/3.10
0.013/0.10
0.95
0.35/0.55
0.10/0.20
0O /8O
(2) Package Type: DFN2020-6
0.05 C
0.08 C
Pin#1 ID
B
Marking
1.95/2.075
1.45/1.65
A
(Active area depth)
Seating plane
C
Sensor location
CL
2x- 0.15 C
0.65nom.
0.97/1.04
CL
0.2/0.3 0.05 M C A B
Bottom View
AH1803 Rev. 9
DS31193
7 of 9
www.diodes.com
OCTOBER 2009
© Diodes Incorporated
7페이지 | |||
구 성 | 총 9 페이지수 | ||
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DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |