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A1374EKB-T Datasheet(PDF) 3 Page - Allegro MicroSystems |
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A1374EKB-T Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 23 page 3 A1373-DS, Rev. 3 Worcester, Massachusetts 01615-0036 (508) 853-5000 115 Northeast Cutoff, Box 15036 www.allegromicro.com Allegro MicroSystems, Inc. High Precision, Output Pin Programmable, Linear Hall Effect Sensors A1373 and A1374 Characteristic Symbol Test Conditions Min. Typ. Max Units ELECTRICAL CHARACTERISTICS over operating temperature range, VCC=5.0 V, unless otherwise noted Supply Voltage VCC Operation within specification, Tj < 165°C 4.5 5.0 5.5 V Supply Current ICC – 8.2 10 mA Reverse-Supply Current IRCC VCC = –16 V, TA = 25°C – – 16 mA Power-On Time1 tPO CLOAD = 10 nF, 90% full scale VOUT – – 300 μs Chopping Frequency fC – 200 – kHz Internal Bandwidth BW A1373 Small signal -3 dB – 2.5 – kHz A1374 – 20 – kHz OUTPUT CHARACTERISTICS over operating temperature range, VCC=5.0 V, unless otherwise noted Noise2,3 VN A1373 peak-to-peak, CLOAD > 1 nF, 2.5 mV/G – 6 16 mV A1374 – 14 26 mV Output Capacitance Load CLOAD VOUT pin to GND pin – – 10 nF Output Resistive Load RLOAD 4700 – – Ω Phase Shift ΔΦ A1373 Magnetic signal freq. = 100 Hz – 3 – (°) A1374 Magnetic signal freq. = 1000 Hz – 3 – (°) Output Voltage VOUT(Sat)HIGH IOUTSINK = 1.2 mA, B(kG) > (VCC–VOUT(Q)) / Sens (mV/G) 4.65 4.7 – V VOUT(Sat)LOW IOUTSOURCE = 1.2 mA, B(kG) < VOUT(Q) / Sens (mV/G) – 0.2 0.25 V Output Resistance ROUT – 1.5 – Ω MAGNETIC CHARACTERISTICS Magnetic Slew Rate SLR V / ms / Sens – 20 – G/μs PRE-PROGRAMMING TARGET (Prior to coarse and fine trim) over operating temperature range, VCC=5.0 V, unless otherwise noted Pre-Programming Quiescent Output Voltage VOUT(Q)PRE B = 0 G, TA = 25°C 1.62 1.80 1.98 V Pre-Programming Sensitivity SensPRE TA = 25°C 1.05 1.31 1.75 mV/G Pre-Programming Sensitivity Temperature Coefficient TCPRE TA relative to 25°C –0.016 0.05 0.104 %/°C INITIAL COARSE PROGRAMMING over operating temperature range, VCC=5.0 V, unless otherwise noted Initial Coarse Quiescent Output Voltage VOUT(Q)INITLOW TA = 25°C – 0.55 – V VOUT(Q)INITMID Reference VOUT(Q)PRE ––- – V VOUT(Q)INITHIGH TA = 25°C – 3.25 – V Initial Coarse Sensitivity SensINITLOW Reference SensPRE – – – mV/G SensINITMID TA = 25°C – 2.8 – mV/G SensINITHIGH TA = 25°C – 5.5 – mV/G CHARACTERISTIC PARAMETERS Continued on the next page... |
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