Hall IC LT261A LT261A GaAs Hall IC for Noncontact Switch (Alternating magnetic field-type*) 2 2.9±0.2 0.95 2.9±0.2 1.9 0.85 0.6 0.4 *Zero-cross is not warranted. ■ Features ¡Operation by small magnet due to high sensitivity ■ Outline Demensions (Unit : Fmm) Operating point<10mT 2.7±0.3 ¡Combining a GaAs Hall device and an IC in a compact Y package (2.9X1.5X1.1mm) 1 4 ¡Wide operation temperature range obtained by GaAs Hall device (-20 to +125˚C) ¡Long life time due to noncontact-type S Z 3 0.4 0.4 X 4-R0.2 Hall device center line X : +0.05±0.23mm against package center Y : -0.05±0.1mm against package lead center between No.2 and No.3 terminals Z : 0.81±0.15mm from package surface Terminal connections 1.5±0.2 0.6 0.6 REG Hall + device H +0.2 - (0to0.15) 0.8 1.1-0.1 0.16+0.10 -0.06 0.3 ■ Applications ¡FDD ¡HDD ¡Water meter ¡Car stereo ¡Microswitch, etc. Parameter Supply voltage Output voltage Output current Power dissipation Operating temperature Storage temperature Soldering temperature*1 *No.3 terminal and the section of leads (both sides of package in X direction) are connected with the terminal of internal IC. Be careful in connecting other circuits. (Ta=25˚C) Symbol Rating VCC 18 18 VOUT 5 IO 100 PD -20 to +125 Topr -55 to +150 Tstg 260 Tsol Unit V V mA mW ˚C ˚C ˚C As for dimensions of tape-packaged products, refer to page 44 . ■ Operating Explanation Output voltage ■ Absolute Maximum Ratings 1 : VCC 2 : VOUT 3 : Don't use. 4 : GND <Alternating magnetic field-type> *1 Soldering time : within 10 seconds BRP 0 BOP +B Magnetic flux density ■ Electrical Characteristics Parameter Operating magnetic flux density Hysteresis breadth Operating voltage Supply current Low level output voltage High level output voltage Output short circuit current Operating point temperature drift (Ta=25˚C) Symbol BOP BRP BH VCC ICC VOL VOH IOS ∆BOP Conditions VCC=16V VOO=16V VCC=16V, B=<-10mT VCC=16V, IO=4mA, B>=10mT VCC=16V, IO=-100µA, B=<-10mT VCC=16V VCC=16V, Ta=-20˚C to +80˚C MIN. -10 4.5 13.9 -1.55 -6 TYP. - MAX. 10 5 16 10.5 0.4 -0.80 6 Unit mT mT mT V mA V V mA mT In the absence of confirmation by device specification sheets, SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices shown in catalogs, data books, etc. Contact SHARP in order to obtain the latest device spcification sheets before using any SHARP device. Hall IC LT261A Operating Magnetic Flux Density vs. Supply Voltage Ta=25˚C 12 8 4 BOP 0 BRP -4 -8 -12 0 Fig. 3 4 0 0 Fig. 5 4 8 12 16 Supply voltage VCC (V) -8 -12 Fig. 4 1.0 0.4 0.2 0 1 2 3 4 Output current IO (mA) 6 4 2 5 -40 0 40 80 120 Ambient temperature Ta (˚C) Low Level Output Voltage vs. Ambient Temperature 1.0 0.6 VCC=16V B=<-10mT 8 Fig. 6 VCC=16V B>=10mT Ta=25˚C 0.8 Supply Current vs. Ambient Temperature 0 20 Low Level Output Voltage vs. Output Current BRP -4 Supply current ICC (mA) 2 BOP -40 0 40 80 120 Ambient temperature Ta (˚C) Low level output voltage VOL (V) Supply current ICC (mA) 4 VCC=16V 8 10 6 0 12 B=<-10mT Ta=25˚C 8 0 Operating Magnetic Flux Density vs. Ambient Temperature 20 Supply Current vs. Supply Voltage 10 Low level output voltage VOL (V) 4 8 12 16 Supply voltage VCC (V) Fig. 2 Operating magnetic flux density B (mT) Operating magnetic flux density B (mT) Fig. 1 0.8 VCC=16V IO=4mA B>=10mT 0.6 0.4 0.2 0 -40 0 40 80 120 Ambient temperature Ta (˚C)