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UNISONIC TECHNOLOGIES CO., LTD SK1816A LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 5 Copyright © 2015 Unisonic Technologies Co., Ltd QW-R118-018.B 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 volt age 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. 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 SOT-23 (EIAJ SC-59) SIP-3 ORDERING INFORMATION Pin Assignment Ordering Number Package 1 2 3 Packing SK1816AG-AE3-R SOT-23 O I G Tape Reel SK1816AG-G03-B SIP-3 I G O Tape Box SK1816AG-G03-K SIP-3 I G O Bulk Note: Pin Assignment: I: V CC O: V OUT G: GND MARKING SIP-3 SOT-23
SK1816A LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 2 of 5 www.unisonic.com.tw QW-R118-018.B BLOCK DIAGRAM Amplifier Schmidt trigger Output stageHall element VCC GND Output REGULATOR
SK1816A LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 3 of 5 www.unisonic.com.tw QW-R118-018.B ABSOLUTE MAXIMUM RATINGS (TA=25°С, unless otherwise specified.) PARAMETER SYMBOL RATINGS UNIT Supply Voltage V CC 2.5~20 V Supply Current I CC 10 mA Circuit Current I O 20 mA SOT-23 200 mW Power Dissipation SIP-3 PD 400 mW Operating Temperature T OPR -30 ~ +125 ° С Storage Temperature T STG -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 Output Leakage Current I LEAK V CC =16V, B=-30 mT 1 10 μA VCC =16V 6 10 mASupply Current I CC VCC =3.6V 5.5 10 mA TR V CC =16V, RL=10KΩ, CL=10pF 5 μSOutput Switching Time TF V CC =16V, RL=10KΩ, CL=10pF 1 μS MAGNETIC CHARACTERISTICS Operate Point B OP At T A=25°С 5 mT Release Point B RP At T A=25°С -5 mT Hysteresis B HYS At T A=25°С 5.5 10 mT Note: 1. B OP=operate point (output turns ON); BRP =release point (output turns OFF); BHYS =hysteresis(BOP – BRP). As used here, negative flux densit ies are defined as less than zero (algebraic convention). Typical values are at TA=25°С and VCC =12V. 2. 1mT=10 gauss
SK1816A LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 4 of 5 www.unisonic.com.tw QW-R118-018.B PACKAGE INFORMATION Fig. 1 SENSOR LOCATIONS S N Marked face 1. VCC 2. GND 3. Output SIP-3 S N Marked face 1. Output 2. VCC 3. GND SOT-23 321 BH BOP BRP H L VOUT Magnetic flux density Fig. 2 APPLYING DIRECTION OF MAGNETIC FLUX
SK1816A LINEAR INTEGRATED CIRCUIT UNISONIC TECHNOLOGIES CO., LTD 5 of 5 www.unisonic.com.tw QW-R118-018.B TYPICAL APPLICATION CIRCUIT FOR DC FAN 1 TEST CIRCUIT 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.