Hybrid Linear Hall Effect Ics EQ-series EQ-731L Shipped in bulk(500pcs/Pack) EQ-731L is composed of an InAs Quantum Well Hall Element and a signal processing IC chip in a package Notice:It is requested to read and accept "IMPORTANT NOTICE" written on the back of the front cover of this catalogue. ●Features ¡Analog output which proportional to the magnetic field strength and pole. ¡Magnetic sensitivity 65mV/mT(typ.) ¡Supply voltage from 3.0V to 5.5V at single power supply ¡Operating temperature range -40℃∼100℃ ¡Ratio-metric analog output ¡3pin surface mount plastic package ¡Quick response 1 μs (when the rise-up time of magnetic field is rather than 1μs) ¡Low output noise voltage 5mVp-p ●Operational Characteristics ●Pin and functions Vout S Vcc VsatH Marking 1 2 1：VCC 2：GND 3：OUT 3 （Top View） VoutO VsatL N N 0 Magnetic flux density ●Functional Block Diagram Pin No. Pin name Function 1 VCC Power supply 2 GND Ground 3 OUT Output S ●Application Circuit 1:VCC （Top View） 3:OUT Please add LPF if required. VCC 2:GND Hall Element Amplifier OUT 5V 0.1μF GND ●Absolute Maximum Ratings（Ta=25℃） parameter symbol specification ●Recommend operating conditions unit parameter symbol min typ max unit −0.3 ∼ 6 V Supply voltage VCC 3.0 5.0 5.5 V ±1.2（＊） mA output current IOUT 1.0 mA operating ambient t e m p e r a t u r e Topr −40 ∼ 100 ℃ output load 1000 pF Storage ambient Tstg temperature −40 ∼ 125 ℃ Supply voltage Vcc output current （＊）Vcc＝5V Iout CL −1.0 EQ-731L ●Electric characteristics（TA＝25℃, VCC＝5V） Parameter Current Symbol consumption Output saturation voltage at High Level (*1) Output saturation voltage at Low Level (*1) ICC Conditions min IOUT＝1mA B a n d w i d t h (*2) fT Response time (*2) tRES Rise time : 10% of Input MFD to 90% of output voltage. Fall time: 90% of Input MFD to 10% of output voltage. (under input/output MFD step is 1 to 2μs) CL＝1000pF Output rise time (*2) tRISE 10% to 90% of output voltage under input/output MFD step is 1 to 2μs. CL＝1000pF Output fall time (*2) tFALL 90% to 10% of output voltage under input/output MFD step is 1 to 2μs CL＝1000pF Output delay time (*2) tREAC Rise time : 10% of Input MFD to 10% of output voltage. Fall time: 90% of Input MFD to 90% of output voltage. (under input/output MFD step is 1 to 2μs) CL＝1000pF Output noise voltage (*2) ー3dB CL＝1000pF VNp-p ●Magnetic characteristics（TA＝25℃, VCC＝5V） Sensitivity (*3) Symbol Vh Conditions B=0、±22mT with no load Quiescent voltage VOUT0 B＝0mT L i n e a r i t y (*4) ρ Unit 9 12 mA VCC−0.3 VCC V 0 0.3 V 210 kHz 1 μs 2 μs 0.3 μs 5 mVp-p ※1mT = 10Gauss (*1&2) Design target at 25℃ Parameter Max B=0mT with no load VSATH IOUT＝ー1mA VSATL Typ B＝0mT (IOUT＝0mA) B＝±27mT (IOUT＝±1mA) (*3) See Characteristic Definitions section (*4) See Characteristic Definitions section min Typ Max Unit 55 65 75 mV/mT 2.35 2.5 2.65 −0.5 V 0.5 ％F.S. ※1mT = 10Gauss ●Ratio-metric characteristics（TA＝25℃） Parameter Symbol Error in Ratiometric of Magnetic sensitivity(*5) Vh-R Conditions min Typ Max Unit B=0、±22mT with no load Error in Ratiometric of B＝0mT V Quiescent voltage(*5) OUT0-R −3 3 % −3 3 % ※1mT = 10Gauss (*5) See Characteristic Definitions section ●Characteristic Definitions ①Magnetic sensitivity Vh (mV/mT) Magnetic sensitivity is defined as the slope of the straight line obtained from three points, Quiescent voltage VOUT0、VOUT (＋B)、VOUT (−B) (B is described in measurement condition), by the least square approximation. ②Linearity ρ (%F.S.) Linearity is defined as the ratio of a error voltage against FULLSCALE. Where error voltage is calculate as the difference from the straight line obtained from three points, Quiescent voltage VOUT0、VOUT (＋B)、VOUT (−B) (B and Output current are described in measurement condition shown below), by the least square approximation. 〈Condition〉 ：0mT applied、IOUT = 0mA ＋BmT applied : IOUT＝＋1.0mA（Draw out from output） −BmT applied : IOUT＝−1.0mA（Draw in to output） ー ｛Vh×B＋Vint｝ Vout（B） ρ＝ ×100 ーVout（ーB） Vout（＋B） Where FULLSCALE(F.S.) is defied as VOUT (＋B)、VOUT (−B), Vint is y-intercepts of the line obtained in the Definition of Magnetic sensitivity. ③Error in Ratiometric of Magnetic sensitivity and Error in Ratiometric of quiescent voltage Error in ratiometric is defined as the ratio of the variation of sensitivity and quiescent voltage at 3V and 5V as following equations.. V（V VOUT0（VCC＝3V） 3 h CC＝3V） 3 − − h CC＝5V） 5 V（V VOUT0（VCC＝5V） 5 VhーR＝ ×100 VOUT0ーR＝ ×100 3 3 5 5 ④Response time tRES (μs) Response time is defined as the time from the 90% reach point of input magnetic field rise up to the 90% reach point of output voltage rise up ⑤Output rise time, Output fall time tRISE、tFALL（μs） Output rise up time is defined as the time from the 10% point to the 90% point of output voltage under a pulse like magnetic field input shown below. Output fall down time is defined as the time from the 90% point to the 10% point of output voltage under a pulse like magnetic field input shown below. ⑥Output delay time tREAC（μs） Output delay time is defined as the time from the 10% point in rise up(90% point in fall down) of input magnetic field to the 10% point in rise up(90% point in fall down) of output voltage under a pulse like magnetic field input shown below.. 〈Relations of the input Magnetic field and tRES、tRISE、tFALL、 tREAC〉 Rise time of magnetic field Fall time of magnetic field 1∼2μs 1∼2μs 90％ 90％ Input magnetic field tRES 10％ 10％ tRISE 90％ Output voltage of sensor 10％ 90％ tREA tRES tREA 10％ tFALL EQ-731L •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. •This product contains galium arsenide(GaAs).Handling and discarding precsutions required. ●Package（Unit:mm) 5° 45° φ0.3 Sensor Center 1.15 4.1 5° 0.79 3.0 10° 0.41 Max. 15.0 10° 3−0.4 1 2 5° 0.55 1：VCC 2：GND 3：OUT 3 1.27 1.27 0.25 Note1）The sensor center is located within the φ0.3mm circle. Note2）The metal portions on the package side (support lead) are connected to the internal circuits. The support lead should be isolate from the external circuit and the other support lead. ●Supply Voltage ●Operational Characteristics 5.0 6 4.5 5 4.5 4 3.5 3 Vcc＝5V 4.0 Output Voltage〔V〕 Supply Voltage〔V〕 5.5 3.5 Vcc＝4V 3.0 Vcc＝3V 2.5 2.0 1.5 1.0 2.5 2 -40 Ta＝25℃ 0.5 -20 0 20 40 60 80 100 0.0 -50 120 -40 -20 -10 0 10 20 30 40 50 Magnetic flux density〔mT〕 Ambient Temperature〔℃〕 ●Temperature dependence of VH ●（For reference only）Temperature dependence of Vout0 3.0 80 Vcc＝5V 60 Offset Voltage〔V〕 Magnetic Sensitivity〔mV/mT〕 -30 Vcc＝4V Vcc＝3V 40 20 Vcc＝5V 2.5 Vcc＝4V 2.0 Vcc＝3V 1.5 B＝0mT 0 -40 -20 0 20 40 60 80 Ambient Temperature〔℃〕 100 120 1.0 -40 -20 0 20 40 60 Ambient Temperature〔℃〕 80 100 120 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. Descriptions of external circuits, application circuits, software and other related information contained in this document are provided only to illustrate the operation and application examples of the semiconductor products. You are fully responsible for the incorporation of these external circuits, application circuits, software and other related information in the design of your equipments. AKM assumes no responsibility for any losses incurred by you or third parties arising from the use of these information herein. AKM assumes no liability for infringement of any patent, intellectual property, or other rights in the application or use of such 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. 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 14, 2012