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PDF S-57A1 Data sheet ( Hoja de datos )

Número de pieza S-57A1
Descripción HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Fabricantes Seiko Instruments 
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S-57A1 A Series
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE
www.sii-ic.com
HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
© SII Semiconductor Corporation, 2013-2015
Rev.1.6_01
The S-57A1 A Series, developed by CMOS technology, is a high-accuracy Hall IC that operates with high temperature and
high-withstand voltage.
The output voltage changes when the S-57A1 A Series detects the intensity level of magnetic flux density. Using the S-57A1
A Series with a magnet makes it possible to detect the open / close and rotation status in various devices.
The S-57A1 A Series includes a reverse voltage protection circuit and an output current limit circuit.
High-density mounting is possible by using the small SOT-23-3 package.
Due to its high-accuracy magnetic characteristics, the S-57A1 A Series can make operation's dispersion in the system
combined with magnet smaller.
Caution This product can be used in vehicle equipment and in-vehicle equipment. Before using the product in the
purpose, contact to SII Semiconductor Corporation is indispensable.
Features
Pole detection*1:
Detection logic for magnetism*1:
Output form*1:
Magnetic sensitivity*1:
Operating cycle:
Power supply voltage range:
Built-in regulator
Built-in reverse voltage protection circuit
Built-in output current limit circuit
Operation temperature range:
Lead-free (Sn 100%), halogen-free
AEC-Q100 in process*2
*1. The option can be selected.
*2. Contact our sales office for details.
Detection of S pole, detection of N pole
Active "L", active "H"
Nch open-drain output, Nch driver + built-in pull-up resistor
BOP = 3.0 mT typ., BOP = 6.0 mT typ.
tCYCLE = 16.0 μs typ.
VDD = 3.5 V to 26.0 V
Ta = 40°C to +125°C
Applications
Automobile equipment
Home appliance
DC brushless motor
Housing equipment
Industrial equipment
Package
SOT-23-3
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S-57A1 pdf
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.1.6_01
S-57A1 A Series
Electrical Characteristics
Table 5
Item
Power supply voltage
Current consumption
Current consumption
during reverse connection
Output voltage
Output drop voltage
Leakage current
Operating cycle
Operating frequency
Output limit current
Start up time
Pull-up resistor
(Ta = +25°C, VDD = 12.0 V, VSS = 0 V unless otherwise specified)
Symbol
Condition
Min.
Typ.
Max.
Unit
Test
Circuit
VDD 3.5 12.0 26.0 V
Nch open-drain output product
IDD
Average value
Nch driver + built-in pull-up resistor product
Average value, VOUT = "H"
3.0 4.0 mA 1
3.0 4.0 mA 1
IDDREV
Nch open-drain output product
VDD = 26.0 V
Nch driver + built-in pull-up resistor product
VDD = 26.0 V
1
5
mA 1
mA 1
VOUT
Nch open-drain output product
Output transistor Nch, VOUT = "L", IOUT = 10 mA
Nch driver + built-in pull-up resistor product
Output transistor Nch, VOUT = "L", IOUT = 10 mA
0.4 V 2
0.5 V 2
VD
Nch driver + built-in pull-up resistor product
VOUT = "H", VD = VDD VOUT
− − 20 mV 2
ILEAK
Nch open-drain output product
Output transistor Nch, VOUT = "H" = 26.0 V
− − 10 μA 3
tCYCLE
fCYCLE
IOM
tPON
RL
VOUT = 12.0 V
Nch driver + built-in pull-up resistor product
16.0 − μs
62.5 kHz
22 70 mA 3
30 − μs 4
7 10 13 kΩ −
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S-57A1 arduino
FOR AUTOMOTIVE 125°C OPERATION HIGH-WITHSTAND VOLTAGE HIGH-SPEED UNIPOLAR DETECTION TYPE HALL IC
Rev.1.6_01
S-57A1 A Series
Precautions
If the impedance of the power supply is high, the IC may malfunction due to a supply voltage drop caused by feed-
through current. Take care with the pattern wiring to ensure that the impedance of the power supply is low.
Note that the IC may malfunction if the power supply voltage rapidly changes. When the IC is used under the
environment where the power supply voltage rapidly changes, it is recommended to judge the output voltage of the IC
by reading it multiple times.
Note that the output voltage may rarely change if the magnetic flux density between the operation point and the release
point is applied to this IC continuously for a long time.
Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic
protection circuit.
Although this IC has a built-in output current limit circuit, it may suffer physical damage such as product deterioration
under the environment where the absolute maximum ratings are exceeded.
Although this IC has a built-in reverse voltage protection circuit, it may suffer physical damage such as product
deterioration under the environment where the absolute maximum ratings are exceeded.
The application conditions for the power supply voltage, the pull-up voltage, and the pull-up resistor should not exceed
the package power dissipation.
Large stress on this IC may affect on the magnetic characteristics. Avoid large stress which is caused by bend and
distortion during mounting the IC on a board or handle after mounting.
SII Semiconductor Corporation claims no responsibility for any disputes arising out of or in connection with any
infringement by products including this IC of patents owned by a third party.
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