MT1101 Series CMOS, Uni-polar, Hall-Effect

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Toby French
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1 CMO, Unipolar, HallEffect Features and Benefits CMO Technology Magnetic Type: Unipolar Wide Operating Voltage Range: upply Voltage 2.8~24V pecified Operating Temperature Range: From 40 ~125 High Magnetic ensitivity Bop=25Gauss, Brp=20Gauss (typical) Lower Power Consumption upply Current <3mA (typical) Lead Free Package Flat TO92, OT23, OT89B High ED Rating Open Drain Output RoH Compliant 2011/65/EU Applications Automotive, Home appliances, Industrial peed Detection Position Detection Magnetic Encoder olidtate witch Proximity witch Water Flow ensor Family Members Part number MT1101A MT1101AT MT1101AT MT1101BT MT1101ET Description Flat TO92 package, bulk packaging (1000pcs/bag) Flat TO92 package, Radial lead, bulk packaging (1000pcs/bag) OT23 package, tape and reel packaging (3000pcs/bag) OT89B package, tape and reel packaging ( 1000pcs/bag) OT23(thin outline) package, tape and reel packaging (3000pcs/bag) General Description The MT1101 family, produced with CMO technology, The Hall IC internally includes an onchip Hall voltage generator, a voltage regulator for operation with supply voltages of 2.8 to 24V, temperature compensation circuitry, smallsignal amplifier, Hall sensor with dynamic offset cancellation system, chmitt trigger and an opendrain output. They are designed to respond to a single pole: North (AT) or outh (A, BT and ET). While the magnetic flux density(b) is larger than operate point (Bop), the output will be turned on (Low), while the magnetic flux density(b) is lower than release point (Brp), then turn off (High). The MT1101 family provides a variety of packages to customers: OT23/OT89B for surface mount and TO92 flat for throughhole mount. All packages are RoH compliant. 01/10

2 CMO, Unipolar, HallEffect V Reference Regulator OC Dynamic offset cancellation ED VOUT Hall element ITA COMP Output tage ED GND Functional Block Diagram Function Description Definition of Magnetic Parameters BOP: BRP: Operating Point Magnetic flux density applied on the branded side of the package which turns the output driver ON (V OUT = Low) Release Point Magnetic flux density applied on the branded side of the package which turns the output driver OFF (V OUT = high) BHYT: Hysteresis Window BOPBRP Definition of witching Function Output (V) Output (V) North Pole B OP B RP 0 0 B RP B OP outh Pole witching Behavior of AT witching Behavior of A, BT and ET 02/10

3 CMO, Unipolar, HallEffect N N Motion OUT=Low OUT=High OUT=Low OUT=High witching Point of AT witching Point of A Motion OUT=Low witching Point of BT OUT=High OUT=Low witching Point of ET OUT=High Note: Direction of magnetic flux Pin Description MT1101AT Name Number Description GND 3 Ground Output 2 OpenDrain output MT1101A ( MT1101AT) Name Number Description Vs 1 Power Vs 1 Power GND 2 Ground Output 3 OpenDrain output MT1101ET MT1101BT Name Number Description Name Number Description Vs 1 Power Vs 1 Power GND 3 Ground GND 2 Ground Output 2 OpenDrain output Output 3 OpenDrain output 03/10

4 CMO, Unipolar, HallEffect Electrical and Magnetic Characteristics Absolute Maximum Ratings Absolute maximum ratings are limiting values to be applied individually, and beyond which the serviceability of the circuit may be impaired. Functional operability is not necessarily implied. Exposure to absolute maximum rating conditions for an extended period of time may affect device reliability. Absolute maximum ratings: all voltages listed are referenced to GND. ymbol Parameters Min Max Units V V RCC V OUT upply Voltage 28 V Reverse Battery Voltage 0.5 V Output Voltage 28 V I OUT Continuous output current 50 ma T A Operating Ambient Temperature T s torage temperature T J Junction temperature 150 B Magnetic flux No Limit Gauss MT1101 eries pecifications at T A = 40 to 125, Vs = 2.8V to 24V (unless otherwise specified) ymbol Parameter Test Condition Min V upply Voltage Operating V I upply Current B<B RP V DON Output aturation Voltage I OUT=20mA, B>B OP I OFF Output Leakage Current B<B RP, V OUT =24V T R Output Rise Time R L=1KOhm, C L =20pF T F Output Fall Time R L=1KOhm, C L =20pF F W R TH B OP B RP ma Maximum witching Frequency 10 KHz OT23 Package Thermal Resistance 301 TO92 Package Thermal Resistance 230 OT89B Package Thermal Resistance Magnetic Operating Point Magnetic Release Point B HYT Hysteresis Window B OPB RP ED Electrotatic Discharge HBM 4 KV Typ Max Units V ua u u /W /W /W Gauss 30 Gauss Gauss 04/10

5 CMO, Unipolar, HallEffect Typical Application Circuit Rv V 100ohm 100nf VDD MT1101 GND OUT RL 10K 20pf Typical Output Waveform (The TO92 package as an example ) B Magnetic Field B OP B RP T V High Digital Output Low T 05/10

6 CMO, Unipolar, HallEffect PACKAGE DEIGNATOR (MT1101A) TO92 Flat ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A b b C D D E e TYP TYP. e L θ 45 TYP. 45 TYP. 06/10

7 CMO, Unipolar, HallEffect PACKAGE DEIGNATOR (MT1101AT) Flat TO92 Radial lead ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A b b C D D E e TYP TYP. e TYP TYP. L REF REF. L REF REF. θ 45 TYP. 45 TYP. 07/10

8 CMO, Unipolar, HallEffect PACKAGE DEIGNATOR (MT1101AT) OT233L ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A A b c D E E e TYP TYP. e L θ /10

9 CMO, Unipolar, HallEffect PACKAGE DEIGNATOR (MT1101BT) OT89B ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A b b D c REF REF. E HE e TYP TYP. L /10

10 CMO, Unipolar, HallEffect PACKAGE DEIGNATOR (MT1101ET) OT23 ymbol Dimensions in Millimeters Dimensions in Inches Min Max Min Max A A A b c D E E e TYP TYP. e L REF REF. L θ /10

MT4103 Series Uni-polar, Hall-Effect

MT4103 Series Uni-polar, Hall-Effect Unipolar, HallEffect Magnetic Position ensors Features and Benefits Bipolar Technology Magnetic Type: Unipolar Wide Operating Voltage Range: upply Voltage 3.8~30V pecified Operating Temperature Range: