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| DN6851 Hall IC (Operating Supply Voltage Range VCC=3.6 to 16V, Operating in Alternative Magnetic Field) s Overview The DN6851 is an integrated circuit making use of Hall effects. It is designed particularly for operating at a low supply voltage in alternative magnetic field. It is suitable for various sensors and contactless switches. 2.00.3 4.50.3 4.00.3 1.0 0.7 Unit : mm 5 s Features * Wide range of supply ; 3.6 to 16V * Operating in alternative magnetic field. * TTL and MOS ICs directly drivable by output * Semipermanent service life because of no contact parts * Drivable with a small magnet * 3-pin SIL plastic package (3-SIP) 10.50.5 0.80.1 0.50.1 1.27 5 123 5 0.43 - 0.05 + 0.1 s Applications * Speed sensors * Position sensors * Rotation sensors * Keyboard switches * Microswitches Note) This IC is not suitable for car electrical equipments. 2 2 SSIP003-P-0000A (E-3S) 1 : VCC 2 : GND 3 : Output s Block Diagram Stabilized power supply 1 VCC 27k 3 Output 2 Hall element Amp. Schmitt trigger Output stage GND s Absolute Maximum Ratings (Ta=25C) Parameter Supply voltage Supply current Circuit current Power dissipation Operating ambient temperature Storage temperature Symbol VCC ICC IO PD Topr Tstg Rating 18 8 20 100 -40 to +85 -55 to +125 Unit V mA mA mW C C s Electrical Characteristics (Ta=25C) Parameter Operating flux density Symbol B1 (L to H) B2 (H to L) Low output voltage VOL VCC=12V VCC=12V VCC=16V, IO=12mA, B=30mT VCC=3.6V, IO=12mA, B=30mT VCC=16V, IO=-30A, B=-30mT VCC=3.6V, IO=-30A, B=-30mT VCC=16V, VO=0V, B=-30mT VCC=16V VCC=3.6V Condition min -30 30 0.4 0.4 14.6 2.2 0.4 0.9 6 5.5 typ max Unit mT mT V V V V mA mA mA High output voltage VOH Output short-circuit current Supply current -IOS ICC Note 1) Operating supply voltage range VCC (opr)= 3.6 to 16V Note 2) For the operating flux density, 20 gauss is also available as Rank A. s Hall Element Position 1.75 1.3 1.0 Unit : mm The center of the Hall element is in the hatched area in the left figure. s Flux-Voltage Conversion Characteristics S Marking surface Output voltage (VO) 1 2 1.0 3 N Applied flux direction 1 : VCC 2 : GND 3 : Output B1 B2 Flux density (B) s Precaution on Use 1. Change of the operation magnetic flux density dose not depend on the supply voltage, because the stabilization power supply is built-in. (only for the range; VCC = 4.5 to 16V) 2. Change from "H" to "L" level increases the supply current by approx. 1mA. |
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