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A3214ELHLT-T Datasheet(PDF) 4 Page - Allegro MicroSystems |
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A3214ELHLT-T Datasheet(HTML) 4 Page - Allegro MicroSystems |
4 / 11 page 3213 AND 3214 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES www.allegromicro.com 4 ELECTRICAL CHARACTERISTICS: unless otherwise noted over operating voltage and temperature range. Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Operate Points BOPS South pole to branded side – 42 70 G BOPN North pole to branded side -70 -48 – G Release Points BRPS South pole to branded side 10 32 – G BRPN North pole to branded side – -38 -10 G Hysteresis Bhys |BOPx - BRPx|– 10 – G NOTES: 1. As used here, negative flux densities are defined as less than zero (algebraic convention) and -50 G is less than +10 G. 2. BOPx = operate point (output turns ON); BRPx = release point (output turns OFF). 3. Typical Data is at TA = +25°C and VDD = 3.0 V and is for design information only. 4. 1 gauss (G) is exactly equal to 0.1 millitesla (mT). MAGNETIC CHARACTERISTICS: over operating voltage and temperature range. Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Supply Voltage Range VDD Operating1) 2.4 3.0 5.5 V Output Leakage Current IOFF VOUT = 5.5 V, BRPN < B < BRPS – <1.0 1.0 µA Output On Voltage VOUT IOUT = 1 mA, VDD = 3.0 V – 100 300 mV Awake Time tawake –60 90 µs Period tperiod A3213xx – 240 360 µs A3214xx – 60 90 ms Duty Cycle d.c. A3213xx – 25 – % A3214xx – 0.10 – % Chopping Frequency fC – 340 – kHz Supply Current IDD(EN) Chip awake (enabled) – – 2.0 mA IDD(DIS) Chip asleep (disabled) – – 8.0 µA IDD(AVG) A3213xx – 460 850 µA A3214xx – 11 22 µA ESD, Human Body Model – Per CDF-AEC-Q100-002 5.0 – – kV ESD, Machine Model – Per JESD22-A115 350 – – V NOTES: 1. Operate and release points will vary with supply voltage. 2. BOPx = operate point (output turns ON); BRPx = release point (output turns OFF). 3. Typical Data is at TA = +25°C and VDD = 3.0 V and is for design information only. |
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