A1321 Allegro MicroSystems, A1321 Datasheet
A1321
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A1321 Summary of contents
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... Additional current draw may be observed at voltages above the minimum supply Zener clamp voltage, V due to the Zener diode turning on. A1321-DS Rev. 3 A1321/A1322/A1323 The A132X family of linear Hall-effect sensors are optimized, sensitive, and tem- perature-stable. These ratiometric Hall-effect sensors provide a voltage output that is proportional to the applied magnetic fi ...
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... Ratiometric Linear Hall Effect Sensor for High-Temperature Operation V+ VCC 0.1 µF Terminal List Symbol VCC Connects power supply to chip VOUT Output from circuit GND Ground A1321-DS Rev. 3 A1321/A1322/A1323 Functional Block Diagram Amp Gain GND Description VOUT Out Offset Trim Control Number Package LH Package UA ...
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... In these tests, the vector X is intended to represent positive and negative fi elds suffi cient to swing the output driver between fully OFF and saturated (ON), respectively NOT intended to indicate a range of linear operation. 4 Noise specifi cation includes both digital and analog noise. A1321-DS Rev. 3 A1321/A1322/A1323 ) range, unless otherwise noted A ...
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... Performance may vary for individual units, within the specifi ed maximum and minimum limits. In addition, the typical values vary with gain millitesla. 5 After 150ºC pre-bake and factory programming. 6 Sensitivity drift is the amount of recovery with time. A1321-DS Rev. 3 A1321/A1322/A1323 over operating temperature range Test Condition A1321 25ºC A A1322 ...
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... Sens (25ºC) A1321-DS Rev. 3 A1321/A1322/A1323 Characteristic Defi nitions Ratiometric. The A132X family features a ratiometric output. The quiescent voltage output and sensitivity are proportional to the supply voltage (ratiometric). The percent ratiometric change in the quiescent voltage output is defi ned as: ∆ ...
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... T (°C) A Average Ratiometry, V OUT(q)(∆V) 101 100.8 100.6 100.4 100.2 100 99.8 99.6 99.4 99 (°C) A Continued on the next page... A1321-DS Rev. 3 A1321/A1322/A1323 Typical Characteristics (30 pieces, 3 fabrication lots) Average Supply Current ( Temperature 7.5 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1 (° ...
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... T (°C) A Average Delta Quiescent Output Voltage, V out(q)(∆ Temperature ∆ in readings at each temperature are relative to 25° -10 T (°C) A A1321-DS Rev. 3 A1321/A1322/A1323 Typical Characteristics, continued (30 pieces, 3 fabrication lots Temperature out(q) 3 2.9 2.8 2.7 2.6 2.5 2.4 2.3 2.2 2 5.5 5 4.5 A1322 ...
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... Ratiometric Linear Hall Effect Sensor for High-Temperature Operation 3.10 .122 2.90 .114 3 0.96 .038 NOM 2.10 .083 1.85 .073 3.00 .118 2.70 .106 1 0.50 .020 0.30 .012 0.55 .022 REF .122 3.10 .117 2.97 A1321-DS Rev. 3 A1321/A1322/A1323 Package LH, 3-Pin; (SOT-23W) 1.49 .059 8º NOM 0º 0.28 .011 0.20 NOM 0.13 A 0.25 MIN 2 0.25 .010 BSC Seating Plane Gauge Plane 1.13 .045 0.87 .034 0.15 .006 ...
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... Ratiometric Linear Hall Effect Sensor for High-Temperature Operation A1321-DS Rev. 3 A1321/A1322/A1323 The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec i fi ...