EM6781

Monolithic Hall Effect ICs　EM-series EM-6781 Shipped in packet-tape reel(3000pcs/Reel) EM-6781 is ultra-small Hall effect ICs of a single silicon chip composed of Hall element and a signal processing IC. Omnipolar Hall Supply Voltage Effect Switch 1.6～5.5Ｖ Hall Element Pulse Excitation High Sensitivity Output Bop：3mT CMOS SMT Notice:It is requested to read and accept "IMPORTANT NOTICE" written on the back of the front cover of this catalogue. ●Operational Characteristics VOUT S or N VOH H Marking BhS BhN VOL N or S L BopN BrpN 0 BrpS BopS N-pole Magnetic flux density S-pole ●Functional Block Diagram 1：VDD ●Absolute Maximum Ratings（Ta=25℃） Symbol Min. Max. Unit Supply Voltage VDD −0.1 6.0 V Output Current IOUT −0.5 ＋0.5 mA Storage Temperature Range TSTG −40 ＋125 ℃ Dynamic Offset Cancellation Item Switch OSC Hall Chopper & Element SW Timing Logic ●Recommended Operating Conditions Item Symbol Min. Typ. Max. Unit Supply Voltage VDD 1.6 1.85 5.5 V Operating Temperature Range Topr −30 ＋25 ＋85 ℃ ●Magnetic ① and Electrical Characteristics（Ta=25℃ VDD=1.85V） Item Symbol Conditions BopS Operating Point BopN I I Min. 1.4* BrpS Releasing Point BrpN I I 1.1 Hysteresis BhS IBhNI 0.3* P e r i o d Tp Output High Voltage VOH Io=−0.5mA Output Low Voltage VOL Io=＋0.5mA Supply Current IDD Average Typ. Max. Unit 3.0 2.2 4.0 3.7* mT mT 0.8 1.5* mT 50 100 ms VDD −0.4 The characteristics with 「*」marks are design targets. 2：OUT V 6.5 0.4 V 9 μA 1 ［mT］=10［Gauss］ AMP Schmitt Trigger Output Stage 4：VSS ●Magnetic Characteristics ②（Ta=−30∼＋85℃ VDD=1.85V） Item Symbol Conditions BopS Operating Point BopN I I Min. Typ. Max. Unit 1.2 3.0 4.4 mT BrpS Releasing Point BrpN I I 0.9 2.2 4.1 mT Hysteresis 0.1 0.8 1.7 mT BhS IBhNI Note) The above specifications are design targets. ●Application Circuit GND Bypass Capacitor 0.1μF VSS EM6781 VDD VDD 41 Latch Logic OUT CMOS OUTPUT EM-6781 •Please be aware that our products are not intended for use in life support equipment, devices, or systems. Use of our products in such applications requires the advance written approval of our sales staff. Certain applications using semiconductor devices may involve potential risks of personal injury, property damage or loss of life. In order to minimize these risks, adequate design and operating safeguards should be provided by the customer to minimize inherent or procedural hazards. Inclusion of our products in such applications is understood to be fully at the risk of the customer using our devices or systems. b ●Package（Unit:mm) ●(For reference only)Land Pattern（Unit:mm) ° 1.00 ° ° 0.70 0.70 Sensor center 0.70 2.60 φ0.3 ° Sensor center ° Note1) The sensor center is located within the φ0.3mm circle. Note2) The tolerances of dimensions with no mentions is ±0.1mm. Note3) The sensor part is located 0.5mm(typ.) far from marking surface. 0.5 ° 1.00 ± ° ° Pin No. 1 2 3 0.95 f Pin Name Function VDD Power Supply VSS Ground OUT Output ●Supply Voltage ●IDD Pulse Driving（VDD=1.85V） 6 50ms（typ.） IDD i 146μs（typ.） 5 Supply Voltage ［V］ 0.95 IDD ON （TYP : 1.8mA） 4 3 2 IDD （TYP : 6.5μA） 1 0 −40 IDD OFF （TYP : 1.3μA） −20 0 20 40 60 80 time 100 Ambient Temperature ［℃］ ●Temperature Dependence of Bop. Brp ●Function Timing Chart IDD Operating Point ［mT］ 6 4 n BopS 2 t B BrpS 0 Bop VDD＝1.85V t B Brp VOUT High BopN −4 0 50 Ambient Temperature ［℃］ 100 48.8μs （typ.） t VOUT High 48.8μs（typ.） t Low Low o p BrpN −2 −6 −50 IDD t t Operating Point Timing Releasing Point Timing This Hall effect IC’ s output is held as internal data just before the internal circuit turns OFF (IDD OFF). And after 48.8 μs, the output changes. 42 IMPORTANT NOTICE 0. Asahi Kasei Microdevices Corporation (“AKM”) reserves the right to make changes to the information contained in this document without notice. When you consider any use or application of AKM product stipulated in this document (“Product”), please make inquiries the sales office of AKM or authorized distributors as to current status of the Products. 1. All information included in this document are provided only to illustrate the operation and application examples of AKM Products. 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