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A3422LKA Datasheet(PDF) 3 Page - Allegro MicroSystems |
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A3422LKA Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 12 page 3421 AND 3422 HALL-EFFECT, DIRECTION-DETECTION SENSORS www.allegromicro.com Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Supply Voltage Range VCC Operating, TJ < 165°C1 4.5 — 18 V Output Leakage Current IOFF VOUT = VCC = 18 V — <1.0 10 µA Output Saturation Voltage VOUT(SAT) IOUT = 20 mA — 0.21 0.50 V Power-On State POS VCC = 0 → 5 V, OFF OFF OFF — BRP1 < B < BOP1, BRP2 < B < BOP2 Under-Voltage Lockout VCC(UV) IOUT = 20 mA, VCC = 0 → 5 V — 3.5 — V Under-Voltage Hysteresis VCC(hys) Lockout (VCC(UV)) - Shutdown — 0.5 — V Power-On Time tpo VCC > 4.5 V — — 50 µs Output Rise Time tr CL = 20 pF, RL = 820 Ω — 200 — ns Output Fall Time tf CL = 20 pF, RL = 820 Ω — 200 — ns Direction Change Delay td CL = 20 pF, RL = 820 Ω 0.5 1.0 5.0 µs Supply Current ICC VCC = 8 V, All outputs OFF 5.0 9.0 18 mA ELECTRICAL CHARACTERISTICS over operating temperature range. 50 75 100 125 175 0.5 0.1 0 TEMPERATURE IN °C 0.4 0.3 0.2 25 Dwg. GH-069 R θJA = 164 °C/W 0.6 150 NOTES: 1. Maximum supply voltage must be adjusted for power dissipation and ambient temperature. 2. Typical Data is at VCC = 12 V and TA = +25 °C and is for design information only. |
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