U18 Datasheet PDF - UTC


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U18
UTC

Part Number U18
Description BIPOLAR LATCH TYPE HALL-EFFECT
Page 6 Pages

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UNISONIC TECHNOLOGIES CO., LTD
U18
LINEAR INTEGRATED CIRCUIT
BIPOLAR LATCH TYPE
HALL-EFFECT FOR
HIGH-TEMPERARURE
OPERATION
1
DESCRIPTION
SIP -3
U18 is a semiconductor integrated circuit utilizing the Hall effect. It
has been so designed as to operate in the alternating magnetic field
especially at low supply voltage and operation over extended
temperature ranges to +125.This Hall IC is suitable for application
to various kinds of sensors, contact less switches, and the like.
FEATURES
* Wide supply voltage range of 2.5V to 20V
* Wide temperature operation range of -20~+125
* Alternating magnetic field operation
* TTL and MOS IC are directly drivable by the output
* The life is semipermanent because it employs contact less parts
* SIP-3 package
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APPLICATION
*Pb-free plating product number: U18L
* Speed sensor
* Position sensor
* Rotation sensor
* Contact-less sensor
* Motor control
* Built-in protection diode
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
Package
U18-G03-D-K
U18L-G03-D-K
SIP-3
Note: Pin Assignment: I:VCC O:VOUT G:GND
Pin Assignment
1 23
I GO
Packing
Bulk
U18L-G 03-D- K
(1)Packing Type
(2)Pin Assignment
(3)Package Type
(4)Lead Plating
(1) K: Bulk
(2) refer to Pin Assignment
(3) G03: SIP-3
(4) L: Lead Free Plating, Blank: Pb/Sn
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
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U18
MARKING INFORMATION
SIP-3
U18
L: Lead Free Plating, Blank: Pb/Sn
LINEAR INTEGRATED CIRCUIT
BLOCK DIAGRAM
REGULATOR
Vcc
Output
Hall element
Amplifier Schmidt trigger
Output stage
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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U18
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
Supply Voltage
VCC 2.5V ~ 20V
V
Supply Current
ICC 10 mA
Circuit Current
Power Dissipation
IOUT
20
PD 400
mA
mW
Operating Temperature
TOPR
-20~+125
Storage Temperature
TSTG
-40~+150
Note 1. 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.
2. The device is guaranteed to meet performance specification within 0~+70operating temperature range
and assured by design from -20~+125.
ELECTRICAL CHARACTERISTICS (Ta=25)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNIT
Low-Level Output Voltage
Output Leakage Current
VOL
IO(LEAK)
VCC=16V,IOUT=12mA,B=30mT
VCC=3.6V,IOUT=12mA,B=30mT
VCC=16V,B=-30mT
0.7 V
0.7 V
1 10 µA
Output Short Circuit Current
-Ios VCC=16V,VOUT=0V,B=-30mT
0.8 mA
Supply Current
ICC
VCC=16V
VCC=3.6V
6 mA
5.5 mA
MAGNETIC CHARACTERISTICS
Operate Point
Release Point
BOP At Ta = +25
BRP At Ta = +25
5 mT
-5 mT
Hysteresis
BHYS At Ta = +25
5.5 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 = +25and VCC = 12V.
2.1mT=10 gauss
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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U18
PACKAGE INFORMATION
LINEAR INTEGRATED CIRCUIT
4.1 mm
SIP-3
0.95 mm
2.01 mm 3.0 mm
Fig. 1 SENSOR LOCATIONS
S
12 3
Marked face
1. Vcc
2. GND
3. Output
N
SIP-3
Vout
H
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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