GaAs Hall Devices OH10003 (OH003) GaAs Hall Device Magnetic sensor Unit : mm + 0.2 2.8 − 0.3 0.65 ± 0.15 ■ Features • Hall voltage: typ. 150 mV (VC = 6 V, B = 0.1 T) • Input resistance: typ. 0.85 kΩ • Satisfactory linearity of GaAs hall voltage with respect to the magnetic field • Small temperature coefficient of the hall voltage: β ≤ − 0.06%/°C • Sealed in the Mini type (4-pin) package. Allowing automatic insertion through the taping and the magazine package. 1.5 + 0.2 − 0.3 0.65 ± 0.15 0.95 3 2 + 0.1 0.4 − 0.05 + 0.1 0.16 − 0.06 1.9 ± 0.2 1 0.95 2.9 ± 0.2 0.5 R 4 • Various hall motor (VCR, phonograph, VD, CD, and FDD) • Automotive equipment • Industrial equipment • Applicable to wide-varying field (OA equipment, etc.) 0.8 + 0.2 1.1 − 0.1 ■ Applications 0 to 0.1 0.4 ± 0.2 1 : VH Output (−) side 2 : VC Input (−) side 3 : VH Output (+) side 4 : VC Input (+) side Mini Type Package (4-pin) ■ Absolute Maximum Ratings Ta = 25°C Parameter Symbol Rating Unit VC 12 V Control voltage Power dissipation PD 150 mW Operating ambient temperature Topr −30 to +125 °C Storage temperature Tstg −55 to +125 °C Marking Symbol: 3 ■ Electrical Characteristics Ta = 25°C Parameter Symbol Hall voltage*1, 4 Unequilibrium Conditions VH ratio*2, 4 VC = 6 V, B = 0.1 T VHO/VH Input resistance ROUT IC = 6 mA, B = 0.1 T Temperature coefficient of input resistance α IC = 1 mA, B = 0 T Linearity of hall voltage*3 γ IC = 6 mA, B = 0.1 T/0.5 T *4 : Unit 170 mV 0.50 0.852 IC = 1 mA, B = 0 T β *2 : *3 : Max 150 ±12 IC = 1 mA, B = 0 T Temperature coefficient of hall voltage Note) *1 : Typ 130 VC = 6 V, B = 0 T/B = 0.1 T RIN Output resistance Min % kΩ 5 kΩ −0.06 %/°C 0.3 %/°C 2 % VH++VH− VH = 2 Unequilibrium ratio is a percentage of VHO with respect to VH. The linearity γ of VH is a percentage of a difference between cumulative sensitivity of KH1 and KH5 which are measured respectively at B = 0.1 T and 0.5 T to their average. That is, KH5−KH1 VH γ= (the cumulative sensitivity KH = ) 1/2(KH1+KH5) IC・B VH, VHO/VH rank classification Class HQ HR IQ IR VH (mV) 130 to 158 142 to 170 130 to 158 142 to 170 VHO/VH (%) Marking Symbol −5 to +5 3HQ +2 to +12 3HR 3IQ 3IR KQ KR 130 to 158 142 to 170 −2 to −12 3KQ 3KR Note) The part number parenthesis shows conventional part number. 687 OH10003 GaAs Hall Devices PD T a RIN Ta VH Ta 200 240 1 600 B = 1 kG IC = 6 mA 120 100 80 60 Input resistance RIN (Ω) 140 B=0 IC = 1 mA 1 400 200 160 Hall voltage VH (mV) Power dissipation PD (mW) 180 160 120 80 1 200 1 000 40 800 600 400 40 200 20 0 0 20 40 60 0 80 100 120 140 160 −40 Ambient temperature Ta (°C) 0 VH B Hall voltage VH (mV) Hall voltage VH (mV) 1 000 800 600 400 0.4 0.6 0.8 1.0 1.2 160 120 80 0 2 4 6 8 10 12 14 +9 V +9 V 4 − 1 + 2 −9 V −9 V 688 120 B = 1 kG Ta = 25°C 240 200 160 120 80 40 ■ Typical Drive Circuit 3 80 280 200 Control current IC (mA) Magnetic flux density B (T) 40 VH VC 240 0 0.2 0 320 40 200 0 −40 Ambient temperature Ta (°C) B = 1 kG Ta = 25°C 280 1 200 0 0 120 VH IC 320 VC = 6 V Ta = 25°C 1 400 80 Hall voltage VH (mV) 1 600 40 Ambient temperature Ta (°C) −V +V 16 0 0 2 4 6 8 10 12 14 Control voltage VC (V) 16 Caution for Safety Gallium arsenide material (GaAs) is used in this product. DANGER Therefore, do not burn, destroy, cut, crush, or chemically decompose the product, since gallium arsenide material in powder or vapor form is harmful to human health. Observe the relevant laws and regulations when disposing of the products. Do not mix them with ordinary industrial waste or household refuse when disposing of GaAs-containing products. Request for your special attention and precautions in using the technical information and semiconductors described in this material (1) An export permit needs to be obtained from the competent authorities of the Japanese Government if any of the products or technologies described in this material and controlled under the "Foreign Exchange and Foreign Trade Law" is to be exported or taken out of Japan. (2) The technical information described in this material is limited to showing representative characteristics and applied circuit examples of the products. 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