A1322 ALLEGRO [Allegro MicroSystems], A1322 Datasheet
![no-image](/images/no-image-200.jpg)
A1322
Available stocks
Related parts for A1322
A1322 Summary of contents
Page 1
... Ratiometric rail-to-rail output Use the following complete part numbers when ordering: Part Number A1321EUA A1321ELH A1321LUA A1321LLH A1322EUA , A1322ELH Z(min) A1322LUA A1322LLH A1323EUA A1323ELH A1323LUA A1323LLH Improved sensitivity 4.5 to 5.5 V operation Immunity to mechanical stress Solid-state reliability Robust EMC protection Package Ambient SIP – ...
Page 2
... 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 ...
Page 3
... –X, V → 0 out(LM) out cc(max A1321 0.1 µF, no load bypass V A1322 0.1 µF, no load N bypass A1323 0.1 µF, no load bypass R I ≤ ±1 mA out out R I ≤ ±1 mA, VOUT to GND L out C VOUT to GND L Min. Typ. ...
Page 4
... 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 25ºC A A1323 25ºC A Defi ned in terms of magnetic fl ux density, B From hot to room temperature From cold to room temperature T = 25° ...
Page 5
... 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: ∆ ...
Page 6
... 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 (°C) ...
Page 7
... 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 4 A1321 3.5 A1323 3 2 -10 Quiescent Output Voltage, V out( 25° (V) Average Sensitivity, Sens 25° ...
Page 8
... 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 0.95 .037 ...
Page 9
... 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 ...