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Design Notes

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  Highly Integrated Quad 16-Bit, SoftSpan, Voltage Output DAC for Industrial and Control Applications &mdash DN431
  PDF, 87 Kb, File published: Dec 5, 2007
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  Highly Integrated Quad 16-Bit, SoftSpan , Voltage Output DAC
  for Industrial and Control Applications
  TM Design Note 431
  Mark Thoren
  Introduction
  Digital-to-analog converters (DACs) are prevalent in
  industrial control and automated test applications.
  General-purpose automated test equipment often requires many channels of precisely controlled voltages
  that span several voltage ranges. The LTC2704 is a
  highly integrated 16-bit, 4-channel DAC for high-end
  applications. It has a wide range of features designed to
  increase performance and simplify design.
  Unprecedented Integration
  The LTC2704 provides true 16-bit performance over six
  software selectable ranges: 0V to 5V, 0V to 10V, –2.5V
  to 2.5V, –5V to 5V, –10V to 10V and –2.5V to 7.5V. Four
  single-range voltage outputs would normally require
  four current-output DACs, two reference amplifiers and
  four output amplifiers—seven packages if dual amplifiers are used. Implementing multiple ranges discretely
  is prohibitive. Design Note 337 explains the difficulty in
  implementing multiple ranges, including the cost of precision-matched resistors and the performance limitations
  of analog switches. Control is also complicated, requiring
  extra digital lines for each DAC and for range control. The …

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Manufacturer's Classification

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

Other Names:

LTC2704IGW-14PBF, LTC2704IGW-14 PBF, LTC2704IGW14#PBF, LTC2704IGW 14#PBF