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| Hall IC (Operating Temperature Range Topr = - 40 to +100C, Operating in One Way Magnetic Field) s Overview The DN6848/SE/TE/S is a combination of a Hall element, amplifier, Schmitt circuit, and stabilized power supply/temperature compensator integrated on an identical chip by using the IC technology. It amplifies Hall element output at the amplifier, converts into a digital signal through the Schmitt circuit, and drives the TTL or MOS IC directly. 4.00.3 10.50.5 0.80.1 0.7 DN6848/SE/TE/S DN6848 4.50.3 1.0 2.00.3 Unit : mm 5 0.50.1 1.27 123 5 2 5 0.43 - 0.05 1 : VCC 2 : GND 3 : Output + 0.1 2 SSIP003-P-0000A (E-3S) 4.520.3 4.520.3 (1.0) 2 Unit : mm DN6848SE s Features * High sensitivity and low drift * Stable temperature characteristics due to the additional tem* * * * perature compensator Wide operating supply voltage range (VCC=4.5 to 16V) Operating in one way magnetic field TTL and MOS ICs directly drivable by output Output open collector 0.550.15 45 (1.0) 12.506.5 (0.72) 0.40.1 1.27 2 to 5 123 (0.4) 1.540.1 1 : VCC 2 : GND 3 : Output Unit : mm (0.6) 0.50.1 10.00.6 3.30.3 s Applications * Speed sensors * Position sensors * Rotation sensors * Keyboard switches * Microswitches Note) This IC is not suitable for car electrical equipments. 2 R0.25 SSIP003-P-0000 (SE-3S) DN6848TE 4.00.3 (1.0) (0.7) s Block Diagram * DN6848/SE/TE Stabilized Power Supply Temperature Correction Circuit 1 0.60.15 (1.0) 1.27 1.20.1 (0.2) 1 : VCC 2 : GND 3 : Output Unit : mm VCC Output 123 3 SSIP003-P-0000B (TE-3S) DN6848S 1 2 Hall Element Amp. Schmitt Trigger Output Stage 4 3 1.6 0.60.2 2 * DN6848S NC 2 or GND Stabilized Power Supply Temperature Correction Circuit 1 0.950.2 VCC Output 0.40.2 0.3 to 0.5 3.00.3 5.40.4 0.15 0 to 0.1 3 4 Hall Element Amp. Schmitt Trigger Output Stage GND ESOP004-P-0200 (SOH-4D) 1 : VCC 2 : NC or GND 3 : Output 4 : GND 1.50.3 3.00.3 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 20 150 -40 to +100 -55 to +125 Unit V mA mA mW C C s Electrical Characteristics (Ta=25C) Parameter Operating flux density Hysteresis width Low output voltage Symbol B1 (L to H) B2 (H to L) BW VOL VCC=12V VCC=12V VCC=12V VCC=16V, IO=12mA, B=22mT VCC=4.5V, IO=12mA, B=22mT VCC=4.5 to 16V VO=16V, B=0mT VCC=16V VCC=4.5V Condition min 0.5 1.5 1 typ 9 11 2 0.4 0.4 10 6 5.5 max 21 22 Unit mT mT mT V V A mA mA High output current Supply current IOH ICC s Hall Element Position 0 1.0 1.75 1.0 1.63 1.25 1.3 1.0 1.5 1.15 1. 1. 0 1.5 Unit : mm The center of the Hall element is in the hatched area in the right figure. 1.0 1.0 1.0 1.5 Distance from package surface to sensor (mm) DN6848 0.7 DN6848SE 0.42 DN6848TE 0.4 DN6848S 0.65 s Flux-Voltage Conversion Characteristics Marking surface Output voltage (VO) B1 B2 Applied flux direction Flux density (B) s Precaution on Use 1. Change of the operation magnetic flux density does 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. s Characteristics Curve Supply voltage - Ambient temperature 8 7 Operating flux density - Ambient temperature 25.0 22.5 VCC = 4.5 to 16V BHL Operating flux density - Supply voltage 20.0 Ta =25C 17.5 Operating flux density (mT) 20.0 17.5 15.0 Supply current (mA) 6 5 4 VCC = 4.5V 3 2 1 0 Operating flux density (mT) 75 100 Samp le 1 15.0 12.5 10.0 7.5 5.0 2.5 0 VCC = 16V Sam 12.5 10.0 7.5 5.0 2.5 ple 2 Sample 3 Sample 4 -50 -25 0 25 50 75 100 -50 -25 0 25 50 0 2 4 6 8 10 12 14 16 18 20 Ambient temperature (C) Ambient temperature (C) Supply voltage (V) Output low level voltage - Ambient temperature 100 90 VCC =12V IO =12mA Output "L" level voltage (mV) 80 70 60 50 40 30 20 10 0 -50 -25 0 25 50 75 100 125 Ambient temperature (C) |
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