EM0771

Monolithic Hall Effect ICs EM-series EM-0771 Shipped in packet-tape reel(5000pcs/Reel) EM-0771 is ultra-small Hall effect ICs of a single silicon chip composed of Hall element and a signal processing IC. Unipolar Hall Supply Voltage Effect Switch 1.6∼5.5Ｖ Hall Element Pulse Excitation High Sensitivity Output Bop：3mT CMOS SON ●Operational Characteristics Vout S VOH H Marking 1：VDD 1 2 Bh 2：OUT 3：N.C N 4：VSS L VOL N-pole 0 Brp  Bop S-pole ●Functional Block Diagram Magnetic flux density 1:VDD Switch Item Symbol Supply Voltage VDD Output Current Iout Operating Temperature Range Topr Storage Temperature Range Tstg Limit Unit −0.1 ∼ 6.0 V ±0.5 mA −30 ∼ 85 ℃ −40 ∼ 125 Dynamic Offset Cancellator ●Absolute Maximum Ratings（Ta=25℃） 4:VSS Pulse Hall Chopper Amplifier Regulator Element Stabilizer ℃ ●Magnetic q and Electrical Characteristics（Ta=25℃ VDD=1.85V） Item Symbol Supply Voltage Conditions 2:OUT Schmitt trigger &Latch Output Stage ●Magnetic Characteristics w（Ta=−30℃∼85℃ VDD=1.85V） Min. Typ. Max. Unit Item Symbol VDD 1.6 5.5 V Operating Point Bop 1.2 3.0 4.4 mT Operating Point Bop 1.4* 3.0 4.0 mT Release Point Brp 0.9 2.2 4.1 mT Release Point Brp 1.1 2.2 3.7* mT Hysteresis Bh 0.1 0.8 1.7 mT Hysteresis Bh 0.3* 0.8 1.5* mT Period Tp 50 100 ms Output High Voltage VOH Io=−0.5mA Output Low Voltage VOL Io=＋0.5mA Supply Current IDD Average Conditions Note) The above specifications are design targets ●Application Circuit V VDD −0.4 4 0.4 V 9 μA 1［mT］=10［Gauss］ N.C. OUT EM-0771 GND VSS VDD The characteristics with「*」marks are design targets. Bypass Capacitor 0.1μF 21 CMOS OUTPUT VDD Min. Typ. Max. Unit EM-0771 •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. a ●Package（Unit:mm) 4 1 2 0.75 Pin No. 1 2 3 4 0.3 1 1.3 0.50＋0 −0.1 1 4 Pin Name Function Comment VDD Supply Voltage OUT Output Voltage N.C. − Short to GND VSS GND f ※Note1) The sensor center is located within the φ0.3mm circle.  Note2) The tolerances of dimensions with no mentions is ±0.1mm.  Note3) Coplanarity:The differnces between standoff of terminals are  max.50μm.  Note4) Shaded area is plating area ●Supply Voltage Note5) The center shadow area of the bottom of HIC does not need to be soldered. This area shares the lead frame with VSS inside the package and please be careful not to short this area to pins except No.4. ●IDD Pulse Driving（VDD=1.85V） 6 50ms IDD 73μs 5 Supply Voltage［V］ 0.3 0.3 2 0.75 3 1.8±0.1 3 0.45±0.1 0.25±0.1 1.2±0.1 ●(For reference only)Land Pattern（Unit:mm) φ0.3 Sensor Center 0.15±0.1 IDD ON （TYP : 1.8mA） 4 3 2 IDD （TYP : 4μA） 1 k IDD OFF （TYP : 1.3μA） time 0 −40 −20 0 20 40 60 80 100 Ambient Temperature［℃］ ●Temparature Dependence of Bop. Brp ●Function Timing Chart IDD 6 IDD Operating Point［mT］ VDD＝1.85V 5 n 4 t B Bop 3 Bop t B o Brp Brp 2 Vout High 1 0 −50 0 50 Ambient Temperature［℃］ 100 t 24.4μs Vout High t 24.4μs Low Low t t Operating Point Timing Release Point Timing This Hall IC’ s ou tp ut is he ld a s in te rn al d ata ju st b efore th e in te rn al circ uit t u r n s O F F ( I D D O F F ) . A n d a f t e r 2 4 . 4 μs , t h e o u t p u t c h a n g e s . N o t e ) 2 4 . 4 μs i n f i g u r e s i s t y p i c a l v a l u e 22 p IMPORTANT NOTICE  These products and their specifications are subject to change without notice. When you consider any use or application of these products, please make inquiries the sales office of ASAHI KASEI MICRODEVICES CORPORATION (AKM) or authorized distributors as to current status of the products.  AKM assumes no liability for infringement of any patent, intellectual property, or other rights in the application or use of any information contained herein.  Any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials.  AKM products are neither intended nor authorized for use as critical componentsNote1) in any safety, life support, or other hazard related device or systemNote2), and AKM assumes no responsibility for such use, except for the use approved with the express written consent by Representative Director of AKM. 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