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Technical content

Features

 Micropower consumption  2.4~4.5V power supply  Chopper amplifier based design: insensitive to noise and offset caused by process variations, operating temperature and mechanical stress  Switching for both poles of a magnet(Omnipolar)  Digital output  CMOS process  Package :SOT-23-3、TO-92S Pin Configuration 231 SDC8312 Figure 1. Pin Configuration Table 1. Pin Description

Marth,2013 Rev1.2 2 / 7 ○C 2013 Shaoxing Devechip Microelectronics Co.,Ltd www.sdc-semi.com MicroPower Hall-Effect Switc h SDC8312/SDC8312 A Functional Block Diagram Power On Reset Bias Generator Sequencer Oscillator Hall Plate Chopper Amplifier LatchHysteresis control OUT Figure2. Functional Block Diagram

Ordering Information

Range Part Number Marking ID Pb-free Halogen-free Pb-free Halogen-free Packing Type TO-92S SDC8312ZS-E1 SDC8312ZS-G1 8312 8312 Bulk SOT-23-3 SDC8312J-E1 SDC8312J-G1 2xx 2xx Tape and Reel TO-92S SDC8312AZS-E1 SDC8312AZS-G1 8312 8312 Bulk SOT-23-3 -40~85℃ SDC8312AJ-E1 SDC8312AJ-G1 2xx 2xx Tape and Reel

Table 2. Absolute Maximum Ratings Table 3. Recommended Operating Conditions Table 4. Electrical Characteristics

Figure 6. Typical Application mode, which is under 10 uW at 2.7V. dynamically remove the offset and interference. the Hall switch in different situations.

Marth,2013 Rev1.2 6 / 7 MicroPower Hall-Effect Switc h SDC8312/SDC8312 A Package Dimension SOT-23-3 Dimensions in millimeters Dimensions in inches Symbol Min Max Min Max A 0.900 1.150 0.035 0.045 A1 0.000 0.100 0.000 0.004 A2 0.900 1.050 0.035 0.041 b 0.300 0.500 0.012 0.020 c 0.080 0.150 0.003 0.006 D 2.800 3.000 0.110 0.118 E 1.200 1.400 0.047 0.055 E1 2.250 2.550 0.089 0.100 e 0.950 TYP 0.037 TYP e1 1.800 2.000 0.071 0.079 L 0.550 REF 0.022 REF L1 0.300 0.500 0.012 0.020 θ 0° 8° 0° 6° ○C 2013 Shao xing Devechip Microelectronics Co.,Ltd www.sdc-semi.com

Marth,2013 Rev1.2 7 / 7 ○C 2013 Shaoxing Devechip Microelectronics Co.,Ltd www.sdc-semi.com MicroPower Hall-Effect Switc h SDC8312/SDC8312 A TO-92S