AH337-WL [ICT]
Hall Effect Sensor, 3mT Min, 15mT Max, Rectangular, Surface Mount, LEAD FREE, SOT-23, 3 PIN;型号: | AH337-WL |
厂家: | InnoChips Technology |
描述: | Hall Effect Sensor, 3mT Min, 15mT Max, Rectangular, Surface Mount, LEAD FREE, SOT-23, 3 PIN |
文件: | 总6页 (文件大小:216K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
AH337
Single Phase Hall Effect Switch
Features
General Description
- 4.2V to 28V DC operation voltage
- Temperature compensation
- Wide operating voltage range
- Open drain pre-driver
AH337 is an switched Hall-Effect IC which is for
contactless switching applications. The device
includes an on-chip Hall voltage generator for
magnetic sensing, an amplifier that amplifies the
Hall voltage, a schmitt trigger to provide switching
hysteresis for noise rejection, and an open-collector
output. The bandgap regulator allows a wide
operating voltage range.
- 25mA maximum sinking output current.
- Package: SIP3, SOT23
If a magnetic flux density larger than threshold Bop,
DO is turned on(low). The output state is held until
a magnetic flux density reversal falls below Brp
causing DO to be turned off (high).
Applications
- VCD/DVD loader, CD/DVD ROM
- Cover detector
- Speed measurement
- Home appliances
- Home safety
Pin Assignment
Pin Descriptions
Name P/I/O Pin #
Description
337
2
Vdd
GND
OUT
P
P
O
1
2
3
Positive Power Supply
Ground
Output Pin
(Top view)
337
1 : Vdd
1
3
2 : GND
3 : OUT
(SOT23 package)
1
2
3
(SIP package)
Ordering Information
AH337 X - X X X
Packing
L : Lead Free Blank : Bulk
Wafer Body
Package
P: SIP3
Lead
Blank or
A~Z : if necessary
to specify
W: SOT23
A
: Tape & Reel
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev.1.1 Jan. 09, 2006
1/6
AH337
Single Phase Hall Effect Switch
Typical Application Circuit
4.2V ~28V
RL
Vdd
OUT
AH337
Digital Output
GND
Functional Block Diagrams
Vdd
1
Regulator
3
OUT
GND
Hall
plate
Amp
2
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jan. 09, 2006
2/6
AH337
Single Phase Hall Effect Switch
Absolute Maximum Ratings ( at Ta=25oC )
Characteristics
Symbol
Values
Unit
Supply Voltage
Vdd
30
V
Magnetic Flux Density
B
Unlimited
Output OFF Voltage
VDS
Id
30
25
V
Output “ON” Current
Continuous
mA
°C
Operating Temperature Range
Storage Temperature Range
Maximum Junction Temp.
Ta
Ts
Tj
-40~+125
-65~+150
150
°C
°C
SIP-3L
550
mW
mW
Package Power Dissipation
Pd
SOT23-3L
230
Electrical Characteristics (Ta=+ 25°C, Vdd=12V)
Characteristic
Supply Voltage
Symbol
Vdd
Test Conditions
Min
4.2*
-
-
-
-
-
Typ
Max
Units
V
-
28
400
10
4
1
1
Output Saturation Voltage VDS(sat) Iout=10mA, B > Bop
300
<0.1
2
mV
uA
mA
us
Output Leakage Current
Supply Current
Ioff
Idd
tr
B < Brp
Output Open
RL=820Ω, CL=20pF
RL=820Ω, CL=20pF
Output Rise Time
Output Falling Time
0.1
0.1
tf
us
*Note: The output of IC will be switched after the supply voltage is over 4.2V, but the magnetic characteristics won't be normal until the
supply is over 4.5V.
Test Circuit
12V
OUT
RL
CL
RL=820 Ohm
CL=20 pF
Test Circuit
Magnetic Characteristics (Ta=25°C, Vdd=4.5V to 28V)
(1mT=10Gauss)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Bop
90
30
-
120
150
90
-
Gauss
Gauss
Gauss
Release Point
Hysteresis
Brp
60
Bhys
60
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jan. 09, 2006
3/6
AH337
Single Phase Hall Effect Switch
Output
S
S
Vdd
( off-state )
Marking side
B hy
Turn off
Turn on
Marking side
( on-state )
N
N
Vsat
Vsat
( SOT23 )
( SIP3 )
0
Brp Bop
( Magnetic flux density B )
Performance Characteristics (SIP3)
25
50
60
70
80
85
286
130
88
90
264
135
66
95
242
140
44
100
220
150
0
Ta (°C)
Pd (mW)
Ta (°C)
550
105
198
440
110
176
396
115
154
352
120
132
308
125
110
Pd (mW)
P ower D issipation C urve
Pd (m W )
600
500
400
300
200
100
0
0
25
50
75
100
125
150
Ta (。C )
Performance Characteristics (SOT23-3)
25
50
60
70
80
90
100 110 120 125 130 140 150
Ta (°C)
Pd (mW) 230 184 166 147 129 110
92
74
55
46
37
18
0
Pd (m W )
Pow er D issipation C urve
300
200
100
0
0
25
50
75
100
125
150
Ta (。C )
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jan. 09, 2006
4/6
AH337
Single Phase Hall Effect Switch
Marking Information
(1) SIP3
(2) SOT23
(Top View)
(Top View)
ID code
A~Z: Non-Lead Free
a~z: Lead Free
P1:AH337
ID Code:
337
XX YM X
A~Z: Non-Lead Free
a~z : Lead Free
YWW X
Date code
Date code
Y : Year
Y : Year
M :Month(A~L)
WW : Nth week
Package Information (unit: mm)
(1) Package Type: SIP-3L
0.51mm
NOM
2.00mm
1.15mm
BRANDED
SURFACE
1
2
3
Sensor Location
Active Area Depth
Package Dimension
45
º
0.38mm
0.7mm
1.57mm
1.47mm
0.41mm
0.41mm
3
2
1
1.27mm
4.17mm
4.04mm
1.82
mm
15.50mm
13.00mm
3.10mm
2.97mm
45
º
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jan. 09, 2006
5/6
AH337
Single Phase Hall Effect Switch
Package Information (Continued)
(2) Package Type: SOT23-3L
D
2
( Sensing point )
GAUGE PLANE
0.8mm
θ
L
L1
1
3
1.45mm
e1
VIEW C
e
1(4x)
θ
SEE VIEW C
2(4x)
θ
b(3x)
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min.
1.05
0.05
1.00
0.25
0.08
2.70
1.50
2.60
0.30
0.50
0.73
1.80
0.85
0o
Nom.
-
Max.
1.35
0.15
1.20
0.50
0.20
3.00
1.70
3.00
0.60
0.70
0.83
2.00
1.05
10o
Min.
Nom.
Max.
A
A1
A2
b
0.041
0.002
0.039
0.010
0.003
0.106
0.059
0.102
0.012
0.020
0.029
0.071
0.033
0o
-
-
0.053
0.006
0.047
0.020
0.008
0.118
0.067
0.118
0.024
0.028
0.033
0.079
0.041
10o
-
1.10
-
-
2.90
1.60
2.80
-
0.043
-
C
-
D
0.114
0.063
0.110
-
E
HE
L
L1
M
e
0.60
0.78
1.90
0.95
5o
0.024
0.031
0.075
0.037
5o
e1
θ
θ1
θ2
3o
5o
7o
3o
5o
7o
6o
8o
10o
6o
8o
10o
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Jan. 09, 2006
6/6
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