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A1325LLHLX- Datasheet(PDF) 3 Page - Allegro MicroSystems |
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A1325LLHLX- Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 12 page Linear Hall Effect Sensor ICs with Analog Output A1324, A1325, and A1326 3 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com OPERATING CHARACTERISTICS Valid throughout TA range, CBYPASS = 0.1 µF, VCC = 5 V; unless otherwise noted Characteristics Symbol Test Conditions Min. Typ. Max. Unit1 Electrical Characteristics Supply Voltage VCC 4.5 5.0 5.5 V Supply Current ICC No load on VOUT – 6.9 9 mA Power-On Time2 tPO TA = 25°C, CL (PROBE) = 10 pF – 32 – µs Supply Zener Clamp Voltage VZ TA = 25°C, ICC = 12 mA 6 8.3 – V Internal Bandwidth BWi Small signal, –3 dB – 17 – kHz Chopping Frequency3 fC TA = 25°C – 400 – kHz Output Characteristics Quiescent Voltage Output VOUT(Q) B = 0 G, TA = 25°C 2.425 2.500 2.575 V Output Referred Noise VN A1324, TA = 25°C, CBYPASS = 0.1 µF – 7.0 – mV(p-p) A1325, TA = 25°C, CBYPASS = 0.1 µF – 4.4 – mV(p-p) A1326, TA = 25°C, CBYPASS = 0.1 µF – 3.5 – mV(p-p) Input Referred RMS Noise Density VNRMS TA = 25°C, CBYPASS = open, no load on VOUT, f << BWi – 1.3 – mG/√Hz DC Output Resistance ROUT – < 1 – Ω Output Load Resistance RL VOUT to VCC 4.7 – – kΩ VOUT to GND 4.7 – – kΩ Output Load Capacitance CL VOUT to GND – – 10 nF Output Saturation Voltage VOUT(sat)HIGH RPULLDOWN = 4.7 kΩ, VCC = 5 V 4.7 – – V VOUT(sat)LOW RPULLUP = 4.7 kΩ, VCC = 5 V – – 0.30 V Magnetic Characteristics Sensitivity Sens A1324, TA = 25°C 4.750 5.000 5.250 mV/G A1325, TA = 25°C 2.969 3.125 3.281 mV/G A1326, TA = 25°C 2.375 2.500 2.625 mV/G Sensitivity Temperature Coefficient TCSens LH package; programmed at TA = 150°C, calculated relative to Sens at 25°C – 0 – %/°C UA package; programmed at TA = 150°C, calculated relative to Sens at 25°C – 0.03 – %/°C Error Components Sensitivity Drift at Maximum Ambient Operating Temperature ∆Sens(TAmax) LH package; from hot to room temperature –5 – 5 % UA package; from hot to room temperature –2.5 – 7.5 % Sensitivity Drift at Minimum Ambient Operating Temperature ∆Sens(TAmin) LH package; from cold to room temperature –3.5 – 8.5 % UA package; from cold to room temperature –6 – 4 % Continued on the next page… |
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