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A3209-UA Datasheet(PDF) 3 Page - Allegro MicroSystems |
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A3209-UA Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 12 page 3209 AND 3210 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES www.allegromicro.com 3 ELECTRICAL CHARACTERISTICS with CBYPASS = 0.1 µF, over operating voltage and temperature range (unless otherwise specified). Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Operate Points BOPS South pole to branded side – 30 60 G BOPN North pole to branded side -60 -35 – G Release Points BRPS South pole to branded side 5.0 22 – G BRPN North pole to branded side – -27 -5.0 G Hysteresis Bhys |BOPx - BRPx| – 7.7 – 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. Typical Data is at TA = +25°C and VDD = 2.75 V and is for design information only. MAGNETIC CHARACTERISTICS with CBYPASS = 0.1 µF, over operating voltage and temperature range (unless otherwise specified). Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units Supply Voltage Range VDD Operating1) 2.5 2.75 3.5 V Output Leakage Current IOFF VOUT = 3.5 V, BRPN < B < BRPS – «1.0 1.0 µA Output On Voltage VOUT IOUT = 1 mA, VDD = 2.5 V – 105 300 mV Awake Time tawake 30 60 90 µs Period tperiod A3209Ex 240 480 720 µs A3210Ex 30 60 90 ms Duty Cycle d.c. A3209Ex – 12.5 – % A3210Ex – 0.10 – % Chopping Frequency fC – 340 – kHz Supply Current IDD(EN) Chip awake (enabled) 0.1 – 3.0 mA (2.5 ≤ VDD ≤3.5 V) IDD(DIS) Chip asleep (disabled) 1.0 10 50 µA IDD(AVG) A3209Ex, VDD = 2.75 V – 145 425 µA A3209Ex, VDD = 3.5 V – 195 425 µA A3210Ex, VDD = 2.75 V – 8.8 25 µA A3210Ex, VDD = 3.5 V – 13 60 µA 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 = 2.75 V and is for design information only. |
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