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A1308KUA-1-T Datasheet(PDF) 4 Page - Allegro MicroSystems |
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A1308KUA-1-T Datasheet(HTML) 4 Page - Allegro MicroSystems |
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4 / 12 page  Linear Hall-Effect Sensor ICs with Analog Output Available in a Miniature, Low-Profile Surface-Mount Package A1308 and A1309 4 Allegro MicroSystems, LLC 115 Northeast Cutoff Worcester, Massachusetts 01615-0036 U.S.A. 1.508.853.5000; www.allegromicro.com OPERATING CHARACTERISTICS: Valid through TA , CBYPASS = 0.1 µF, VCC = 5 V, unless otherwise noted Characteristics Symbol Test Conditions Min. Typ. Max. Unit [1] Continued on the next page… ELECTRICAL CHARACTERISTICS Supply Voltage VCC 4.5 5.0 5.5 V Undervoltage Threshold[2] VUVLOHI K temp. option tested at TA = 25°C to 125°C (device powers on); L temp. option tested at TA = 25°C to 150°C (device powers on) – – 3 V VUVLOLO K temp. option tested at TA = 25°C to 125°C (device powers off); L temp. option tested at TA = 25°C to 150°C (device powers off) 2.5 – – V Supply Current ICC No load on VOUT – 9 11.5 mA Power-On Time[3][4] tPO TA = 25°C, CL(PROBE) = 10 pF – 50 – µs VCC Ramp Time[3][4] tVCC TA = 25°C 0.005 – 100 ms VCC Off Level[3][4] VCCOFF TA = 25°C 0 – 0.55 V Delay to Clamp[3][4] tCLP TA = 25°C, CL = 10 nF – 30 – µs Supply Zener Clamp Voltage VZ TA = 25°C, ICC = 14.5 mA 6 7.3 – V Internal Bandwidth[3] BWi Small signal –3 dB – 20 – kHz Chopping Frequency[3][5] fC TA = 25°C – 400 – kHz OUTPUT CHARACTERISTICS Output Referred Noise[3][6] VN VCC = 5 V, TA = 25°C, CBYPASS = open, Sens ≥ 1.3 mV/G, no load on VOUT – 1.7 – G VCC = 5 V, TA = 25°C, CBYPASS = open, Sens = 0.5 mV/G, no load on VOUT – 2.8 – G Input Referred RMS Noise Density[3] VNRMS VCC = 5 V, TA = 25°C, CBYPASS = open, Sens ≥ 1.3 mV/G, no load on VOUT – 1.5 – mG/√Hz VCC = 5 V, TA = 25°C, CBYPASS = open, Sens = 0.5 mV/G, no load on VOUT – 2.5 – mG/√Hz DC Output Resistance[3] ROUT – 3 – Ω Output Load Resistance[3] RL VOUT to GND 4.7 – – kΩ Output Load Capacitance[3] CL VOUT to GND – – 10 nF Output Voltage Clamp[7][8] VCLPHIGH TA = 25°C, RL = 10 kΩ (VOUT to GND) 4.35 4.5 4.65 V VCLPLOW TA = 25°C, RL = 10 kΩ (VOUT to VCC) 0.40 0.55 0.70 V Sensitivity Sens A1308LLHLX-05-T TA = 25°C 0.43 0.5 0.57 mV/G A1308KUA-1-T 1.17 1.3 1.43 mV/G A1308LLHLX-1-T 1.17 1.3 1.43 mV/G A1308LLHLX-2-T 2.4 2.5 2.6 mV/G A1308KUA-2-T 2.4 2.5 2.6 mV/G A1308KUA-3-T 3.025 3.125 3.225 mV/G A1308LLHLX-3-T 3.025 3.125 3.225 mV/G A1308KUA-5-T 4.85 5 5.15 mV/G A1308LLHLX-5-T 4.85 5 5.15 mV/G A1309LLHLX-9-T 8.73 9 9.27 mV/G A1309KUA-9-T 8.73 9 9.27 mV/G A1309LLHLX-RP9-T –9.27 –9 –8.73 mV/G Quiescent Voltage Output (QVO) VOUT(Q) TA = 25°C 2.488 2.5 2.512 V Sensitivity Temperature Coefficient TCSens Programmed at TA = 125°C (K temp. option) or 150°C (L temp. option), calculated relative to Sens at 25°C 0.08 0.12 0.16 %/°C |
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