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UNISONIC TECHNOLOGIES CO., LTD
SK1816A
LINEAR INTEGRATED CIRCUIT
BIPOLAR LATCH TYPE HALL
EFFECT FOR
HIGH-TEMPERATURE
OPERATION
DESCRIPTION
The UTC SK1816A is a semiconductor integrated circuit utilizing
the Hall effect. It designed to operate in the alternating magnetic field
especially at low supply voltage and operation over extended
temperature ranges to +125°С.
This Hall IC is suitable for application to various kinds of sensors,
contact-less switches, such as Speed sensor, Position sensor,
Rotation sensor, Contact-less sensor, and Motor control.
1
SIP-3
3
21
SOT-23
(EIAJ SC-59)
FEATURES
* Wide Supply Voltage Range of 2.5V to 20V
* Wide Temperature Operation Range of -30°С ~+125°С
* Alternating Magnetic Field Operation
* Built-in Protection Diode
* TTL and MOS IC are Directly Drivable by the Output
* The life is Semi Permanent because it Employs Contact-Less Parts
ORDERING INFORMATION
Ordering Number
Note:
SK1816AG-AE3-R
SK1816AG-G03-B
SK1816AG-G03-K
Pin Assignment: I: VCC O: VOUT
G: GND
Package
SOT-23
SIP-3
SIP-3
Pin Assignment
123
OIG
I GO
I GO
Packing
Tape Reel
Tape Box
Bulk
MARKING
SIP-3
SOT-23
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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SK1816A
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
REGULATOR
VCC
Output
Hall element
Amplifier Schmidt trigger
Output stage
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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SK1816A
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TA=25°С, unless otherwise specified.)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
Supply Current
VCC 2.5~20 V
ICC 10 mA
Circuit Current
Power Dissipation
SOT-23
SIP-3
IO
PD
20 mA
200 mW
400 mW
Operating Temperature
TOPR
-30 ~ +125
°С
Storage Temperature
TSTG
-40 ~ +150
°С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (TA=25°С, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Low-Level Output Voltage
VOL
VCC = 16V, IOUT=12mA, B=30 mT
VCC =3.6V, IOUT=12mA, B=30 mT
0.2 0.7
0.3 0.7
V
V
Output Leakage Current
Supply Current
Output Switching Time
ILEAK
ICC
TR
TF
VCC =16V, B=-30 mT
VCC =16V
VCC =3.6V
VCC =16V, RL=10K, CL=10pF
VCC =16V, RL=10K, CL=10pF
1 10 μA
6 10 mA
5.5 10 mA
5 μS
1 μS
MAGNETIC CHARACTERISTICS
Operate Point
Release Point
BOP At TA=25°С
BRP At TA=25°С
5 mT
-5 mT
Hysteresis
BHYS At TA=25°С
5.5 10 mT
Note: 1. BOP=operate point (output turns ON); BRP =release point (output turns OFF); BHYS =hysteresis(BOP – BRP).
As used here, negative flux densities are defined as less than zero (algebraic convention). Typical values
are at TA=25°С and VCC =12V.
2. 1mT=10 gauss
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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SK1816A
PACKAGE INFORMATION
LINEAR INTEGRATED CIRCUIT
Fig. 1 SENSOR LOCATIONS
S
12 3
Marked face
1. VCC
2. GND
3. Output
N
SIP-3
VOUT
H
N
231
Marked face
1. Output
2. VCC
3. GND
S
SOT-23
BH
L
BRP
BOP
0
Magnetic flux density
Fig. 2 APPLYING DIRECTION OF MAGNETIC FLUX
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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SK1816A
TYPICAL APPLICATION CIRCUIT
LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
FOR DC FAN 1
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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