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A1301KLHLT Datasheet(PDF) 4 Page - Allegro MicroSystems |
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A1301KLHLT Datasheet(HTML) 4 Page - Allegro MicroSystems |
4 / 8 page Continuous-Time Ratiometric Linear Hall Effect Sensor ICs A1301 and A1302 4 Allegro MicroSystems, Inc. 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com DEVICE CHARACTERISTICS over operating temperature range, TA, and VCC = 5 V, unless otherwise noted Characteristic Symbol Test Conditions Min. Typ. Max. Units Electrical Characteristics Supply Voltage VCC Running, TJ < 165°C 4.5 – 6 V Supply Current ICC Output open – – 11 mA Output Voltage VOUT(High) ISOURCE = –1 mA, Sens = nominal 4.65 4.7 – V VOUT(Low) ISINK = 1 mA, Sens = nominal – 0.2 0.25 V Output Bandwidth BW – 20 – kHz Power-On Time tPO VCC(min) to 0.95 VOUT; B = ±1400 G; Slew rate = 4.5 V/μs to 4.5 V/100 ns –35 μs Output Resistance ROUT ISINK ≤ 1 mA, ISOURCE ≥ –1 mA – 2 5 Ω Wide Band Output Noise, rms VOUTN External output low pass filter ≤ 10 kHz; Sens = nominal – 150 – μV Ratiometry Quiescent Output Voltage Error with respect to ∆VCC1 ΔVOUTQ(V) TA = 25°C – – ±3.0 % Magnetic Sensitivity Error with respect to ∆VCC2 ΔSens(V) TA = 25°C – – ±3.0 % Output Linearity Lin TA = 25°C – – ±2.5 % Symmetry Sym TA = 25°C – – ±3.0 % Magnetic Characteristics Quiescent Output Voltage VOUTQ B = 0 G; TA = 25°C 2.4 2.5 2.6 V Quiescent Output Voltage over Operating Temperature Range VOUTQ(T A) B = 0 G 2.2 – 2.8 V Magnetic Sensitivity Sens A1301; TA = 25°C 2.0 2.5 3.0 mV/G A1302; TA = 25°C 1.0 1.3 1.6 mV/G Magnetic Sensitivity over Operating Temperature Range Sens(T A) A1301 1.8 – 3.2 mV/G A1302 0.85 – 1.75 mV/G 1Refer to equation (4) in Ratiometric section on page 4. 2Refer to equation (5) in Ratiometric section on page 4. |
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