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PDF S-57B1 Data sheet ( Hoja de datos )
| Número de pieza | S-57B1 | |
| Descripción | UNIPOLAR DETECTION TYPE HALL IC | |
| Fabricantes | Seiko | |
| Logotipo |  |
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S-57B1 Series
www.sii-ic.com
© SII Semiconductor Corporation, 2011-2016
125°C OPERATION HIGH-SPEED
UNIPOLAR DETECTION TYPE HALL IC
Rev.3.0_00
This IC, developed by CMOS technology, is a high-accuracy Hall IC that operates with a high-sensitivity, a high-speed
detection and low current consumption.
The output voltage changes when this IC detects the intensity level of flux density. Using this IC with a magnet makes it
possible to detect the open / close and rotation state in various devices. High-density mounting is possible by using the
small SOT-23-3 package. Due to its high-accuracy magnetic characteristics, this IC can make operation’s dispersion in the
system combined with magnet smaller.
SII Semiconductor Corporation offers a "magnetism simulation service" that provides the ideal combination of magnets and
our Hall ICs for customer systems. Our magnetism simulation service will reduce prototype production, development period
and development costs. In addition, it will contribute to optimization of parts to realize high cost performance.
For more information regarding our magnetism simulation service, contact our sales office.
Features
• Pole detection:
• Detection logic for magnetism*1:
• Output form*1:
• Magnetic sensitivity*1:
• Operating cycle:
• Power supply voltage range:
• Operation temperature range:
• Lead-free (Sn 100%), halogen-free
*1. The Option can be selected.
Detection of S pole
Active "L", active "H"
Nch open drain output, CMOS output
BOP = 3.0 mT typ.
BOP = 4.5 mT typ.
BOP = 7.0 mT typ.
tCYCLE = 50 μs typ.
VDD = 2.7 V to 5.5 V
Ta = −40°C to +125°C
Applications
• Motor
• Housing equipment
• Industrial equipment
Package
• SOT-23-3
1
1 page  
125°C OPERATION HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.3.0_00
S-57B1 Series
Electrical Characteristics
Table 6
Item
Power supply voltage
Current consumption
Output voltage
Leakage current
Operating cycle
Symbol
(Ta = +25°C, VDD = 5.0 V, VSS = 0 V unless otherwise specified)
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
VDD
IDD
VOUT
ILEAK
−
Average value
Nch open drain
Output transistor Nch,
output product
IOUT = 2 mA
Output transistor Nch,
CMOS output product
IOUT = 2 mA
Output transistor Pch,
IOUT = −2 mA
Nch open drain output product
Output transistor Nch, VOUT = 5.5 V
2.7 5.0 5.5
− 1400 2000
− − 0.4
−
VDD −
0.4
−
−
−
−
0.4
−
1
V
μA
V
V
V
μA
−
1
2
2
3
4
tCYCLE
−
−
50 100 μs
−
5
5 Page 
125°C OPERATION HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.3.0_00
S-57B1 Series
3. Basic operation
This IC changes the output voltage level (VOUT) according to the level of the magnetic flux density (S pole) applied by
a magnet.
The following explains the operation when the magnetism detection logic is active "L".
When the magnetic flux density vertical to the marking surface exceeds the operation point (BOPS) after the south pole
of a magnet is moved closer to the marking surface of this IC, VOUT changes from "H" to "L". When the south pole of a
magnet is moved further away from the marking surface of this IC and the magnetic flux density is lower than the
release point (BRPS), VOUT changes from "L" to "H".
Figure 12 shows the relationship between the magnetic flux density and VOUT.
VOUT
BHYSS
H
N pole
0
BRPS
Magnetic flux density (B)
BOPS
Figure 12
L
S pole
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet S-57B1.PDF ] | |
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