线性霍尔SPD495A,SPD495A可代替SS495A。

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Solid State Hall Effect Sensors
High Performance Miniature Ratiometric Linear                                                SS490 Series

FEATUR*
*  Small size  (.160 x .118 in)
*  Power consumption of 7 mA
  at 5 VDC for energy
  efficiency
*  Single current sinking or
  current sourcing output
*  Linear output for circuit
  design flexibility
*  Built-in thin film resistors are
   laser trimmed for precise
  sensitivity and temperature              The SS490 Series MRL (Miniature Ratiometric Linear) sensors are *all,
  compensation                          versatile linear Hall effect devices which are operated by the magnetic field
*  Rail-to-rail operation               from a permanent magnet or an electromagnet. The ratiometric output
   provides more useable                voltage is set by the supply voltage and varies in proportion to the strength
  signal for higher accuracy            of the magnetic field.
*  Temperature range of-40°C              The integrated circuitry provides increased temperature stability and
  to +150°C                             sensitivity. Laser trimmed thin film resistors provide high accuracy (null to ±
*  Responds to either positive          3%, sensitivity up to ±3%) and temperature compensation. These linear
  or negative gauss                     position sensors have an operating temperature range of-40Cto +150°C,
*  Quad Hall sensing element            appropriate for industrial and automotive environments. They respond to
  for stable output                     either positive or negative gauss, monitoring either or both magnetic poles.
                                        The quad Hall sensing element minimizes the effects of mechanical or
TYPICAL APPLICATIONS                    thermal stress on the output. The positive temperature coefficient of the
*   Current sensing                     sensitivity (+0.02%/°C t*ical) helps compensate for the negative
*   Motor control                       temperature coefficients of low cost magnets, providing a robust design
*   Position sensing                    over a wide temperature range. Rail-to-rail operation (over full voltage
*   Magnetic code reading               range) provides a more usable signal for higher accuracy.
*   Rotary encoder                         The recent extension to the product line, the SS490B Series, offers cost-
*   Ferrous metal detector              effective MRL sensing solutions with slightly wider specifications than the
*  Vibration sensing                    SS490 high-performance products. Like the SS490 Series, the SS490B
*   Liquid level sensing                has a t*ical sinking or sourcing output of 1.5 mA continuous, uses 7 mA of
*  Weight sensing                       supply current at 5.0 volts and25C, and provides predictable performance
                                        over the full temperature range. The SS490B Series sensors have wider
    WARNING                             null and sensitivity tolerances and a wider drift over temperature.
PERSONAL INJURY                            The SS490B Series sensors are a new lower cost product line extension.
*  DO *T USE these                     They complement the SS490 Series of *all size, high accuracy and high
   products as safety or                performance miniature linear products.

  emergency s* devices, or
   in any other application                 WARNING
  where failure of the product          MISUSE OF DOCUMENTATION
  could result in personal              *   The information presented in this product sheet is for reference only.
   injury.                                  Do not use this document as product installation information.
Failure to comply with these            *   Complete installation, operation, and maintenance information is
instructions could result in                provided in the instructions supplied with each product.
death or serious injury.                    Failure to comply with these instructions could result in death or

                                            serious injury.

Sensing and Control

型号/规格

495A

品牌/商标

SPD