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A1373EKB Datasheet(PDF) 1 Page - Allegro MicroSystems |
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A1373EKB Datasheet(HTML) 1 Page - Allegro MicroSystems |
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1 / 22 page  Description TheA1373 andA1374 high precision linear Hall effect sensors are sensitive, temperature stable, linear devices with externally programmable features. This device family incorporates a chopper-stabilized amplifier, voltage regulator, programming logic, and an output amplifier on a single IC. The patented dynamic offset cancellation used with a chopper-stabilization technique provides extremely low offset and minimal temperaturedrift.Ahighfrequencyclockisusedforchopping,to ensure high frequency signal processing capability. TheA1373 and A1374 are ideal for use in automotive and industrial linear position-sensing applications that require increased reliability and accuracy over conventional contacting-potentiometer solutions. Key applications include: throttle position sensors, pedal position sensors, and suspension height sensors. The design and manufacturing flexibility of the A1373 and A1374 complement the Allegro linear Hall effect family of devicesbyofferingprogrammablegain,quiescentoffsetvoltage for unipolar or bipolar operation, temperature coefficient, clamps, and polarity. The device can be set up in a magnetic circuit and programmed with a train of serial pulses via the output pin. Once the right combination of gain, quiescent A1373-DS, Rev. 8 Features and Benefits ▪ Output pin programming ▪ Field-programmable for optimal application integration ▪ Selectable coarse and fine gain and quiescent output voltage ▪ Selectable sensitivity temperature coefficient ▪ Selectable output clamp voltage level, including no- clamp (rail-to-rail) ▪ Selectable output polarity ▪ Unipolar or bipolar operation ▪ Ratiometric sensitivity, clamps, and quiescent output voltage ▪ Chopper-stabilized Hall technique ▪ Wide operating temperature range ▪ On-chip regulator for over/under voltage protection ▪ On-chip regulator provides EMI robustness ▪ Wide lead-spacing with KB package High Precision, Output Pin Programmable Linear Hall Effect Sensors Functional Block Diagram Not to scale Package: 3 pin SIP (suffix KB) A1373 and A1374 Continued on the next page… Amp Out VCC Pin 3 VOUT GND Pin 2 Pin 1 Gain Temperature Coefficient Offset Voltage Regulator Trim Control To all subcircuits Hall drive circuit |
Similar Part No. - A1373EKB |
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Similar Description - A1373EKB |
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