AH175A-W-B [ANACHIP]
Hall Effect Latch For High Temperature; 霍尔效应锁存对于高温
| 型号： | AH175A-W-B |
| 厂家： | 
ANACHIP CORP |
| 描述： | Hall Effect Latch For High Temperature |
| 文件： | 总6页 (文件大小：163K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AH175
Hall Effect Latch For High Temperature
Features
General Description
- Bipolar Hall effect latch sensor
- 3.5V to 20V DC operation voltage
- Open collector pre-driver
AH175 is a single-digital-output Hall-effect sensor
for high temperature operation. The device includes
an on-chip Hall voltage generator for magnetic
sensing, an amplifier to amplify Hall voltage, and a
comparator to provide switching hysteresis for noise
rejection, and an open-collector output pre-driver.
An internal bandgap regulator is used to provide
temperature compensated supply voltage for
internal circuits and allows a wide operating supply
range.
- 25mA output sink current
- Chip power reverse-connection protection
- Operating temperature: −40°C ~ +125°C
- Package: SIP3, SOT23
Applications
While the magnetic flux density (B) is larger than
threshold Bop, the OUT pin turns on (low). If B
removed toward Brp, the OUT pin is latched “on”
state prior to B < Brp. When B < Brp, the OUT pin
go into “ off ” state.
- Rotor position sensing
- Current switch
- Encoder
- RPM detection
Pin Assignment
Pin Descriptions
(Top view)
Name
Description
Input power
3.
OUT
VCC
GND
OUT
2. GND
1. VCC
Ground
Output stage
(SIP3 package)
3. OUT
1. VCC
( SOT23 package)
GND 2.
Ordering Information
AH175 X - X X X - X
Magnetic
Packing
Wafer Body
Package
Lead
Characteristics
A or B
Blank or
P: SIP3
W: SOT23
L : Lead Free
Blank: Normal
Blank : Tube
A~Z : if necessary
to specify
A
: Taping
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. 0.7 May 7, 2004
1/6
AH175
Hall Effect Latch For High Temperature
Block Diagram
VCC
1
REG.
3
2
OUT
GND
AMP
Application Circuit
I
A
B
Digital Hall Effect Sensor
M: Three Phase Hall Motor
I
M
IC
Driver
&
I
I
a
b
Ic
Control Logic
RPM sensing
H
H
H
A
B
C
Hall Motor Driver
Three Phase Hall Motor
Anachip Corp.
www.anachip.com.tw
Rev 0.7 May 7, 2004
2/6
AH175
Hall Effect Latch For High Temperature
Absolute Maximum Ratings (At Ta= 25°C )
Parameter
Symbol
Rating
Unit
Supply voltage
VCC
Vout (off)
Io (sink)
Top
20
20
V
V
Output “OFF ” voltage
Output “ON” current
25
mA
°C
Operating temperature range
Storage temperature range
-40~+125
-65~+150
550
Tstg
°C
SIP
mW
mW
Power dissipation
PD
SOT23
230
Electrical Characteristics (Ta= 25°C )
Parameter
Supply voltage
Symbol
Conditions
Min.
Typ.
Max.
Unit
Vcc
-
3.5
-
20
400
6
V
VCC=12V, OUT ”ON”
Io =10mA
VCC=12V, OUT ”OFF”
Output saturation voltage
Supply current
Vout(sat)
Icc
-
-
300
3.5
mV
mA
Magnetic Characteristics (Ta= 25°C )
A grade
(1mT = 10 Gauss)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Release Point
Hysteresis
Bop
Brp
Bhy
15
-
-
60
Gauss
Gauss
Gauss
-60
-15
80
-
-
B grade
Parameter
Symbol
Min.
Typ.
Max.
Unit
Operate Point
Release Point
Hysteresis
Bop
Brp
Bhy
5
-
-
80
-5
Gauss
Gauss
Gauss
-80
80
-
-
Anachip Corp.
www.anachip.com.tw
Rev 0.7 May 7, 2004
3/6
AH175
Hall Effect Latch For High Temperature
Operating Characteristics
V
out
V
cc
S
S
V
d
High
Marking side
B
hy
Marking side
Low
N
N
V
sat
B
rp
B
op
0
( SOT23 )
( SIP3 )
( Magnetic flux density )
Marking Information
(1) SOT23
(2) SIP3
(Top View)
(Top View)
ID code
A~Z: Non-Lead Free
ID code
175
a~z : Lead Free
A~Z: Non-Lead Free
a~z : Lead Free
YWW X
XX YM X
J5 : AH175
Date code
Y : Year
Date code
Y : Year
M : Month (A~L)
WW : Nth week
Anachip Corp.
www.anachip.com.tw
Rev 0.7 May 7, 2004
4/6
AH175
Hall Effect Latch For High Temperature
Package Information
(1) Package Type: SIP-3L
0.51mm
NOM
2.10mm
1.55mm
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
1.27mm
4.17mm
4.04mm
1
1.82
mm
15.50mm
3.10mm
2.97mm
45
º
13.00mm
Anachip Corp.
www.anachip.com.tw
Rev 0.7 May 7, 2004
5/6
AH175
Hall Effect Latch For High Temperature
(2) Package Type: SOT23-3L
D
2
( Sensing point )
0.8mm
1
3
SEE VIEW C
1.45mm
e1
e
θ 1(4x)
0.10 C
3X
GAUGE PLANE
L
θ
SEATING PLANE
L1
θ 2(4x)
VIEW C
b(3x)
Dimensions In Millimeters
Dimensions In Inches
Symbol
Min.
Nom.
Max.
Min.
Nom.
Max.
A
A1
A2
b
1.05
0.05
1.00
0.25
0.08
2.70
1.50
2.60
0.30
0.50
1.80
0.85
0o
-
1.35
0.15
1.20
0.50
0.20
3.00
1.70
3.00
0.55
0.70
2.00
1.05
10o
0.041
0.002
0.039
0.010
0.003
0.106
0.059
0.102
0.012
0.020
0.071
0.033
0o
-
-
0.053
0.006
0.047
0.020
0.008
0.118
0.067
0.118
0.022
0.028
0.079
0.041
10o
-
1.10
-
0.043
-
C
-
-
D
2.90
1.60
2.80
-
0.114
0.063
0.110
-
E
HE
L
L1
e
0.60
1.90
0.95
5o
0.024
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 0.7 May 7, 2004
6/6
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