WSH135 Linear Hall Effect Sensor IC Features: Wide operating range 3.0~12V, -40℃~125℃ Flat Response to 23kHz Low Null Gauss output drift, typical +-0.3m V/℃ Wide sensible magnetic field range on different supplied voltage ±1,000 Gauss on 5V supplied voltage ±2,500 Gauss on 12V supplied voltage. Low operating current 3mA Two package styles TO-92S/SOT-23 available. Functional Description : The W135 integrates Hall sensing element, linear amplifer, sensitivity controller and emitter follower output stage.It accurately tracks extremely small change in magnetic flux density –generally too small to operate Hall effect switch. W135 can be applied as current sensor, tooth sensor, proximity detectors and motion detectors. As sensitive monitor of magnetic flux, it can effectively measure a system’s performance with negligible system loading while providing isolation from contaminated and electrically noisy environments. Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/7 WSH135 Electrical Characteristics: Characteristic Supply Voltage Symbol Vcc Supply Current Isupply Quiescent Vout V0G Sensitivity △Vout Bandwidth BW Measurable Guass Range Temperature Drift MGR △Vout (T=+25˚C, Vdd=5.0V ) Test Conditions Min 3.0 ─ Typ B=0 Gauss B=0 G (Grade A) B=0 G (Grade B) B= 0 to ± 1000 G Vdd=5V Vdd=12V B=0 Gauss ─ Max 12 Units V ─ 3.5 6.0 mA 2.45 2.35 1.3 2.5 2.5 1.5 2.55 2.65 1.7 V V mV/G - 23 - kHz - - - ±1000 ±2500 +- 0.3 - - - Gauss mV/℃ 1.All output-voltage measurements are made with a voltmeter having an input impedance of at least 100kΩ 2. Do not apply any load on output pin, it will degrade IC performance. Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/7 WSH135 Package Information: TO92S: SOT23: Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/7 WSH135 Output Null Voltage vs. Supply Voltage 7.0 Output Voltage 6.0 5.0 4.0 3.0 2.0 1.0 3 4 5 6 7 8 9 10 11 12 Supply Voltage Supply Current vs. Supply Voltage Supply Current (mA) 6 5.5 5 4.5 4 3.5 3 2.5 2 3 4 5 6 7 8 9 10 11 12 Supply Voltage mV/Gauss WSH135 Sensitivity vs. Supply Voltage 2.00 1.80 1.60 1.40 1.20 1.00 0.80 0.60 3 4 5 6 7 8 9 10 Winson reserves the right to make changes to improve reliability or manufacturability. ©Winson, 2015/5/7 11 12 V