EM1661

Monolithic Hall Effect ICs EM-series EM-1661 Shipped in packet-tape reel(5000pcs/Reel) EM-1661 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 2.4∼3.3Ｖ Hall Element Pulse Excitation High Sensitivity Output Bop：3mT CMOS SMT ●Operational Characteristics Vout N VOH H Marking 1：OUT 1 2 2：VDD Bh L 3：VSS S 4：N.C. N-pole VOL Bop Brp S-pole ●Functional Block Diagram Magnetic flux density 2:VDD Switch Item Symbol Supply Voltage VDD Output Current Iout Operating Temperature Range Topr Storage Temperature Range Tstg Limit Unit −0.1 ∼ 5.0 V ±1 mA −30 ∼ 85 ℃ −40 ∼ 125 Dynamic Offset Cancellator ●Absolute Maximum Ratings（Ta=25℃） 3:VSS Pulse Hall Chopper Amplifier Regulator Element Stabilizer ℃ ●Magnetic q and Electrical Characteristics（Ta=25℃ VDD=3V） Conditions 1:OUT Symbol V Operating Point -2.0* mT -2.2 -1.2 mT 0.3* 0.8 1.5* mT   50 70 ms Symbol Min. Typ. Max. Unit Supply Voltage VDD 2.4 3.0 3.3 Operating Point Bop -4.0 -3.0 Release Point Brp -3.2* Hysteresis Bh Period Tp Output High Voltage VOH Io=−1.0mA Output Low Voltage VOL Io=＋1.0mA Supply Current IDD Average V VDD −0.4 0.4 V 7 μA Conditions Min. Typ. Max. Unit Bop -4.2 -3.0 -1.8 mT Release Point Brp -3.4 -2.2 -1.0 mT Hysteresis Bh 0.3 0.8 1.5 mT Note) The above specifications are design targets. ●Application Circuit VDD VDD 5 Bypass Capacitor 0.1μF GND OUT EM1661 VSS 1［mT］=10［Gauss］ The characteristics with「*」marks are design targets. 29 Output Stage ●Magnetic Characteristics w（Ta=−30℃∼85℃ VDD=3V） Item Item Schmitt trigger &Latch N.C. EM-1661 •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 ●(For reference only)Land Pattern（Unit:mm) ●Package（Unit:mm) 0.50 1 φ0.3 Sensor center 0∼0.1 0.90 2.1±0.2 1.25±0.1 2 0.25 2.1±0.1 1.3 0.3 5° 1.90 5° 3 4 ＋0.1 0.55−0 0.3 0.25 0.1 5° 5° Pin No. 1 2 3 4 Pin Name Function Comment OUT Output Voltage VDD Supply Voltage VSS GND N.C. − Short to 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. 0.1mm. ●Supply Voltage 1.30 ●IDD Pulse Driving（VDD=3V） Supply Voltage［V］ 3.4 50ms IDD 24μs 3.2 j IDD ON （TYP : 3mA） 3 2.8 2.6 IDD （TYP : 5μA） 2.4 IDD OFF （TYP : 4μA） time 2.2 −40 −20 0 20 40 60 80 100 Ambient Temperature［℃］ ●Temparature Dependence of Bop. Brp ●Function Timing Chart n IDD IDD −6 Operating Point［mT］ VDD＝3V −5 o −4 Bop −3 −B t Bop t t −B t Brp Brp −2 Vout High −1 0 −50 0 50 Ambient Temperature［℃］ 100 Vout High Low Low t Operating Point Timing t Release Point Timing 30 p IMPORTANT NOTICE  These products and their specifications are subject to change without notice. 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As used here: Note1) A critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. Note2) A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property.  It is the responsibility of the buyer or distributor of AKM products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold AKM harmless from any and all claims arising from the use of said product in the absence of such notification. June 2, 2010