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AH373 Schematic ( PDF Datasheet ) - Anachip

Teilenummer AH373
Beschreibung Internal Pull-up Hall Effect Latch
Hersteller Anachip
Logo Anachip Logo 



Gesamt 6 Seiten
		
AH373 Datasheet, Funktion
Internal Pull-up Hall Effect Latch
„ Features
- Bipolar Hall effect latch sensor
- 2.2V to 20V DC operation voltage
- Built-in pull-up resistor
- 25mA output sink current
- Operating temperature: 40°C ~ +125°C
- Package: SIP3, SOT23
„ Applications
- Rotor position sensing
- Current switch
- Encoder
- RPM detection
AH373
„ General Description
AH373 is a single-digital-output Hall-effect sensor
with pull-up resistor 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
output driver with a pull-up resistor (Rpu). An
internal bandgap regulator is used to provide
temperature compensated supply voltage for
internal circuits and allows a wide operating supply
range. While the magnetic flux density (B) is larger
than operate point (Bop), the OUT pin turns on
(low). If B moves toward release point (Brp), the
OUT pin is latched “on” state prior to B < Brp. When
B < Brp, the OUT pin go into “ off ” state.
„ Pin Assignment
„ Pin Descriptions
373
12 3
(SIP3 package)
2
373
13
(Top view)
1 : VCC
2 : GND
( SOT23 package) 3 : OUT
Name
VCC
GND
OUT
Description
Positive Power Supply
Ground
Output Pin
„ Ordering Information
AH373 X - X X X
Wafer Body
Package
Blank or
P: SIP-3L
A~Z : if necessary W: SOT23-3L
to specify
Lead
L : Lead Free
Blank: Normal
Packing
Blank : Tube or Bulk
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. 0.0 Jan 31, 2005
1/6






AH373 Datasheet, Funktion
Internal Pull-up Hall Effect Latch
(2) Package Type: SOT23-3L
2
( Sensing point )
D
0.8mm
1
1.45mm
3
e1
e
θ1(4x)
0.10 C
3X
SEATING PLANE
b(3x)
θ2(4x)
AH373
SEE VIEW C
GAUGE PLANE
L
L1
VIEW C
θ
Symbol
A
A1
A2
b
C
D
E
HE
L
L1
M
e
e1
θ
θ1
θ2
Dimensions In Millimeters
Min. Nom. Max.
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
3o
6o
-
-
1.10
-
-
2.90
1.60
2.80
-
0.60
0.78
1.90
0.95
5o
5o
8o
1.35
0.15
1.20
0.50
0.20
3.00
1.70
3.00
0.55
0.70
0.83
2.00
1.05
10o
7o
10o
Dimensions In Inches
Min. Nom. Max.
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
3o
6o
-
-
0.043
-
-
0.114
0.063
0.110
-
0.024
0.031
0.075
0.037
5o
5o
8o
0.053
0.006
0.047
0.020
0.008
0.118
0.067
0.118
0.022
0.028
0.033
0.079
0.041
10o
7o
10o
Anachip Corp.
www.anachip.com.tw
Rev 0.0 Jan 31, 2005
6/6

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