AH1803-SNG-7 [DIODES]
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT; 微功耗，超灵敏霍尔效应
| 型号： | AH1803-SNG-7 |
| 厂家： | 
DIODES INCORPORATED |
| 描述： | MICROPOWER, ULTRA-SENSITIVE HALL EFFECT |
| 文件： | 总9页 (文件大小：159K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
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General Description
Features
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.
•
•
•
•
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
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).
•
•
•
•
•
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)
Applications
•
•
•
Cellular phone
PDA
Cordless phone
Typical Circuit
2.4~5.5V
C*
Output
AH1803
GND
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
Ordering Information
AH1803 - XX G - 7
Package
Packing
Green
G : Green
W : SC59
7 : Tape & Reel
SN : DFN2020-6
Package
Code
W
Packaging
(Note 2)
SC59
DFN2020-6
7” Tape and Reel
Product
Quantity
Part Number Suffix
AH1803-WG-7
AH1803-SNG-7
3000/Tape & Reel
3000/Tape & Reel
-7
-7
SN
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.
Pin Assignments
(1) SC59 (commonly known as SOT23 in Asia)
( Top View )
(2) DFN2020-6
( Top View )
5. GND
6. NC
4. NC
2. Output
GND 3.
1. Vdd
1. Vdd
2. NC 3. Output
Notes:
3. NC is “No Connection”, which is recommended to be tied to ground.
Pin Descriptions
Pin Name
Vdd
P/I/O
P/I
P/I
Description
Power Supply Input
Ground
GND
Output
NC
O
Output Pin
No Connected
AH1803 Rev. 9
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OCTOBER 2009
© Diodes Incorporated
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Block Diagram
Vdd
Power
switch
Hall Plate
Hall Plate
Latch
Amp
Amp
Output
Logical
Latch
GND
Absolute Maximum Ratings (at TA= 25°C)
Symbol
Characteristics
Values
Unit
Vdd
B
Supply voltage
Magnetic flux density
7
V
Unlimited
Ts
Storage Temperature Range
Package Power Dissipation
Maximum Junction Temperature
-65 to +150
230
°C
mW
mW
°C
SC59
DFN2020-6
PD
TJ
230
150
Recommended Operating Conditions ( TA = 25°C )
Symbol
Parameter
Supply Voltage
Operating Temperature Range
Conditions
Operating
Operating
Rating
Unit
Vdd
TA
2.4~5.5
-40 to +85
V
°C
AH1803 Rev. 9
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OCTOBER 2009
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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
VOL
Output On Voltage (High side) IOUT = -1mA
Output On Voltage (Low side) IOUT = 1mA
Vdd-0.2
-
-
-
-
V
V
0.1
Chip enable, TA = 25°C,
Vdd = 3V
Chip enable, TA = -40~85°C,
Vdd = 2.4~5.5V
Chip disable, TA = 25°C,
Vdd = 3V
-
-
-
-
-
-
3
3
5
5
8
8
6
mA
mA
µA
µA
µA
µA
Idd(en)
9
10
18
16
27
Idd(dis) Supply Current
Idd(avg)
Chip disable, TA = -40~85°C,
Vdd = 2.4~5.5V
Average supply current,
TA = 25°C , Vdd = 3V
Average supply current,
TA = -40~85°C, Vdd = 2.4~5.5V
(Note 5)
Tawake Awake Time
Tperiod Period
-
-
-
75
75
0.1
150
150
-
µs
ms
%
(Note 5)
D.C.
Duty Cycle
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).
Tperiod
Tawake
Idd(en)
Sample and output
latched
Idd (dis)
0
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AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Magnetic Characteristics (TA = 25°C, Vdd = 3V, Note 6, 7)
(1mT = 10G)
Symbol
Parameter
Min
Typ.
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)
2
-4
1
3
-3
2
4
-2
-
Operation Point
mT
Release Point
Hysteresis
-
-2
-1
Bhy( Bopx − Brpx )
0.5
1
-
Notes:
6. Typical data is at TA=25 °C, Vdd=3V, and for design information only.
7. Magnetic characteristics are for design information, which will vary with supply voltage, operating temperature and after soldering.
Output
Output
( off-state )
( off-state )
Vcc
Vcc
Turn off
Bhy
Turn off
Bhy
Turn on
Turn on
( on-state )
Bopn
( on-state )
Bops
Vsat
Vsat
Brpn
0
0
Brps
( Magnetic flux density B )
( Magnetic flux density B )
Performance Characteristics
(1) SC59 (commonly known as SOT23 in Asia) and DFN2020-6
25
50
60
70
80
85
90
100
110
120
130
140
150
TA (°C)
230
184
166
147
129
120
110
92
74
55
37
18
0
PD (mW)
P D (m W )
P ow er D issipation C urve
300
200
100
0
-40
2 5
50
75 85
100
12 5
150
(o C)
A
T
AH1803 Rev. 9
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OCTOBER 2009
© Diodes Incorporated
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Marking Information
(1) SC59 (commonly known as SOT23 in Asia)
( Top View )
XX : Identification code
Y : Year 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
XX Y W X
X : A~Z : Green
Part Number
Package
SC59
Identification Code
AH1803
KD
(2) DFN2020-6
( Top View )
Pin 1 indicator
XX : Identification Code
Y : Year : 0~9
X X
YWX
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Green
Part Number
Package
Identification Code
AH1803
DFN2020-6
KD
AH1803 Rev. 9
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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
1.90
2.90/3.10
1.00/
1.30
0.10/0.20
0.013/0.10
0.95
0.35/0.55
0O /8O
(2) Package Type: DFN2020-6
Marking
0.05 C
0.08 C
(Active area depth)
Seating plane
C
Pin#1 ID
1.95/2.075
1.45/1.65
Sensor location
A
B
C
L
0.15 C
2x-
0.65nom.
0.97/1.04
0.2/0.3
0.05
M C A B
C
L
Bottom View
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© Diodes Incorporated
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
Taping Orientation
For DFN2020-6
Notes:
8. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf.
AH1803 Rev. 9
DS31193
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OCTOBER 2009
© Diodes Incorporated
AH1803
MICROPOWER, ULTRA-SENSITIVE HALL EFFECT
SWITCH
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS
DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other
changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any
liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated
convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products
described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the
companies whose products are represented on Diodes Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized
sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall
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arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized
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Products described herein may be covered by one or more United States, international or foreign patents pending. Product names
and markings noted herein may also be covered by one or more United States, international or foreign trademarks.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems
without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided
in the labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected
to cause the failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or
systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements
concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,
notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,
Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes
Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2009, Diodes Incorporated
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© Diodes Incorporated
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