A1359LLETR-T
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A1359LLETR-T

  • Category:Hall switch
  • Product Name:A1359 factory-programmed dual output linear Hall-effect sensor IC with analog and pulse-width modulated outputs
  • Manufacturers:Allegro
  • Production Batch Number:15+
  • Encapsulation:8-lead TSSOP
  • Stock Status:There is stock
  • Stock Quantity:9030
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the A1359LLETR-T
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  • Product introduction

Linear outputHall-effect sensorsNew applications, such as displacement and angular positions, require high accuracy and redundant outputs. Allegro A1359Programmable linear Hall-effect sensorICs are designed for both requirements. The features associated with this linear device are ideal for automotive and industrial applications that require high accuracy, and this temperature-stable device can operate over a wide temperature range: –40°C to 150°C.

The accuracy of the device is improved through programmability at the Allegro factory, which optimizes device sensitivity, quiescent voltage output (QVO: output without magnetic field), and quiescent duty cycle (QD) for a given application or circuit. By programming the temperature coefficient in Allegro end-of-line tests for high sensitivity and QVO/QD, the A1359 also achieves optimal performance over the entire operating temperature range. This ratiometric Hall-effect sensor IC provides an analog voltage proportional to the applied magnetic field and a PWM signal with duty cycle.

Each BiCMOS monolithic circuit incorporates Hall element temperature compensation circuitry that reduces the inherent sensitivity drift of the Hall element, a small-signal high-gain amplifier, a clamped low-impedance output stage, and a proprietary dynamic offset cancellation technique.

The A1359 features an 8-contact surface-mount TSSOP (suffix LE) package that is lead (Pb) free and features 100% matte tin leadframe plating.

  • Dual tracking outputs: analog voltage output and pulse-width modulated (PWM) output
  • Matched analog and PWM outputs allow the user to detect a variety of output error conditions
  • Factory programmed offset, sensitivity, and polarity
  • Temperature coefficient of sensitivity (TC) and QVO/QD temperature coefficient programmed in Allegro® for higher accuracy
  • High-speed chopping mode minimizes quiescent output voltage (QVO) drift across temperature
  • Temperature-stable QVO and sensitivity
  • The output voltage clamp has a short-circuit diagnostic function
  • Wide ambient temperature range: –40°C to 150°C
  • Resistant to mechanical stress
  • Higher EMC performance for stringent automotive applications

 

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