Datasheet Linear Technology LTC1592B — Datenblatt

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LTC1588 LTC1588 LTC1589 LTC1589 LTC1592 LTC1592A

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  Dual 25ВµV Micropower Op Amp Fits in 3mm x 3mm Package &mdash DN331
  PDF, 82 Kb, Datei veröffentlicht: Feb 2, 2004
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  Dual 25ВµV Micropower Op Amp Fits in 3mm Г— 3mm Package
  Design Note 331
  Glen Brisebois
  Introduction
  Conventional monolithic micropower op amps with a
  wide supply voltage range require a large die area and
  therefore, a large package and footprint. The unconventional LTВ®6011 dual op amp п¬Ѓts 25ОјV input precision
  micropower operation and wide 2.7V to 36V supply range
  in a tiny new package—its 3mm × 3mm DFN package
  is so small it doesn’t even have leads. The LT6011 also
  provides rail-to-rail output swing and utilizes superbeta
  input transistors to achieve picoampere input currents.
  Hall Sensor Amplifier
  Figure 1 shows the LT6011 applied as a low power Hall
  sensor amplifier. The magnetic sensitivity of a Hall sensor is proportional to the DC excitation voltage applied
  across it. With a 1V bias voltage, the sensitivity of this
  Hall sensor is specified as 4mV/mTesla of magnetic
  п¬Ѓeld. At that level of DC bias, however, the 400О© bridge
  consumes 2.5mA. Reducing the excitation voltage would
  reduce the power consumption, but it would also reduce
  the sensitivity. This is where the beauty of precision
  micropower amplification becomes especially apparent.
  The LT1790-1.25 micropower reference provides a …

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  Multiple Output Range 16-Bit DAC Design Made Simple &mdash DN337
  PDF, 76 Kb, Datei veröffentlicht: May 1, 2004
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  Multiple Output Range 16-Bit DAC Design Made Simple
  Design Note 337
  Derek Redmayne
  of output ranges. However, with the new LTC В®1592
  multiple output range DAC, all of this complexity is
  unnecessary. Figure 2 shows the compact simplicity of
  an implementation based on the new LTC1592. All the
  standard industrial ranges (0V to 5V, 0V to 10V, В±5V,
  ±10V, ±2.5V and –2.5V to 7.5V) are provided, accurately
  and under software control. Introduction
  Precision 16-bit analog outputs with software-configurable output ranges are often needed in industrial
  process control equipment, analytical and scientific
  instruments and automatic test equipment. In the past,
  designing a universal output module was a daunting task
  and the cost and PCB real estate associated with this
  function were problematic, if not prohibitive. FigureВ 1
  shows an example of the circuitry formerly required
  to produce a programmable 16-bit DAC with a variety L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks
  and SoftSpan is a trademark of Linear Technology Corporation. All other trademarks
  are the property of their respective owners. U7 U6 5V
  REF + +
  U3 U10 10V U7 – –
  U6 SHDN 50k …

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• Data Conversion > Digital-to-Analog Converters (DAC) > Current Output DACs | Bipolar Digital-to-Analog Converters (DAC)