Hall IC LT230A LT230A GaAs Hall IC for Noncontact Switch (Unidirestional magnetic field-type) 0.95 Z X 0.4 0.4 S 2.9±0.2 0.85 0.6 (Unit : Fmm) 2.9±0.2 1.9 0.4 ■ Features ¡Same temperature coefficient of magnetic flux density as ■ Outline Dimentions a magnet 2.7±0.3 ¡Operation by small magnet due to high sensitivity Y Operating point <20mT 1 4 ¡Combining a GaAs Hall device and an IC in a compact package (2.9X1.5X1.1mm) ¡Wide operation temperature range obtained by GaAs Hall device (-20 to +125˚C) 2 3 ¡Long life time due to noncontact-type 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 ¡Noncontact switch ■ Absolute Maximum Ratings Parameter Supply voltage Output voltage Output current Power dissipation Operating temperature Storage temperature Soldering temperature* * Symbol VCC VOUT IO PD Topr Tstg Tsol (Ta=25˚C) Rating 18 18 5 100 -20 to +125 -55 to +150 260 Unit V V mA mW ˚C ˚C ˚C 1:VCC 2:VOUT 3:Don't use. *No.3 terminal and the section of leads(both sides 4:GND of package in X direction)are connected with the terminal of internal IC. Be careful in connecting other circuits. As for dimensions of tape-packaged products, refer to page 44 . Soldering time : within 10 seconds ■ Electrical Characteristics Parameter Operating magnetic flux density Hysteresis breadth Operating voltage Supply current Low level output voltage Output leakage current Operating point temperature drift (Ta=25˚C) Symbol BOP BRP BH VCC ICC VOL IOH ∆BOP Condition VCC=5V VOO=5V RL=10KΩ VCC=16V, B=<5mT IO=4mA, B>=20mT VCC=16V, VOO=16V, B=<10mT VCC=5V, Ta=-20˚C to +80˚C MIN. 5 1 4.5 - TYP. 13 11 -0.2 MAX. 20 6 16 10.5 0.4 10 - Unit mT mT mT V mA V µA %/C 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 LT230A Ta=25˚C 24 20 16 BOP 12 BRP 8 4 0 0 Fig. 3 16 2 0 Fig. 5 4 8 12 16 Supply voltage VCC (V) 4 0 0.5 0.4 0.3 0.2 0.1 0 1 2 3 4 Output current IO (mA) 5 Supply Current vs. Ambient Temperature VCC=5V B=<10mT 6 4 2 0 0.5 VCC=16V B>=30mT Ta=25˚C -40 0 40 80 120 Ambient temperature Ta (˚C) 8 Fig. 6 Low Level Output Voltage vs. Output Current BRP 8 Fig. 4 20 BOP 12 Supply current ICC (mA) Supply current ICC (mA) 4 0 20 10 6 0 VCC=5V B=<10mT Ta=25˚C 8 Operating Magnetic Flux Density vs. Ambient Temperature 24 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 vs. Supply Voltage Low level output voltage VOL (V) Operating magnetic flux density B (mT) Fig. 1 0.4 -40 0 40 80 120 Ambient temperature Ta (˚C) Low Level Output Voltage vs. Ambient Temperature VCC=16V IO=4mA B>=30mT 0.3 0.2 0.1 0 -40 0 40 80 120 Ambient temperature Ta (˚C)