A1171EEWLT-P Allegro Microsystems Inc, A1171EEWLT-P Datasheet
A1171EEWLT-P
Specifications of A1171EEWLT-P
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A1171EEWLT-P Summary of contents
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Micropower Ultrasensitive Hall Ef fect Switch Features and Benefits ▪ 1.65 to 3.5 V battery operation ▪ Low supply current ▪ High sensitivity, B typically 30 G (3.0 mT) OP ▪ Operation with either north or south pole ▪ Configurable ...
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... This device includes single Selection Guide Part Number A1171EEWLT-P DFN/MLP 1.5 × 2 mm; 0.40 mm maximum height *Contact Allegro for additional packing options. Absolute Maximum Ratings Characteristic ...
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A1171 ELECTRICAL CHARACTERISTICS valid over operating voltage and temperature range (unless otherwise specified) Characteristic Symbol 2 Supply Voltage Range V OUT(SAT) Output Voltage V OUT(HIGH) Period t PERIOD Chopping Frequency 3 Supply Slew Rate I DD(EN) I DD(DIS) Supply Current ...
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A1171 THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information Characteristic Symbol Package Thermal Resistance *Additional thermal information available on Allegro Web site. Magnetic Field Output Pin (Activation Polarity) Micropower Ultrasensitive Hall Effect Switch Test Conditions* 2 2-layer ...
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A1171 Low Average Power Internal timing circuitry activates the IC for a short period of time and deactivates it for the remainder of the period Awake ( short awake state duration allows stabilization prior Period to ...
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A1171 (A) VOUTPN V+ 0 B– B HYS Figure 2. Operation with Unipolar Mode Selected (SELECT Pin Grounded) SELECT Pin Settings Effect on Output Output Pin Number Name 1 VOUTPS 2 VOUTPN Micropower Ultrasensitive Hall Effect Switch V+ V OUT(HIGH) ...
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A1171 It is strongly recommended that an external bypass capacitor be connected (in close proximity to the Hall element) between the supply and ground of the device to reduce both external noise and noise generated by the chopper stabilization technique. ...
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A1171 Chopper Stabilization Technique When using Hall-effect technology, a limiting factor for switchpoint accuracy is the small signal voltage developed across the Hall element. This voltage is disproportionally small relative to the offset that can be produced at the output ...
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A1171 D 7X 0.08 C 0.50 BSC +0.055 0.325 –0.045 For Reference Only, not for tooling use (refernce DWG-2856; similar to JEDEC Type 1, MO-229X2BCD) Dimensions in millimeters Exact case and lead configuration at supplier discretion within limits shown A ...