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Application Notes

• Download
  Linear Technology Magazine Circuit Collection, Volume V: Data Conversion, Interface and Signal Conditioning Products &mdash AN87
  PDF, 1.5 Mb, File published: Nov 1, 2000
  Application Note 87 is the fifth in a series that excerpts useful circuits from Linear Technology magazine. Data conversion, interface and signal conditioning circuits from issue VI:1 (February 1996) through issue VIII:4 (November 1998) are featured. Like its predecessor, AN67, this Application Note includes circuits for high speed video, interface and hot swap circuits, active RC and switched capacitor filter circuitry and a variety of data conversion and instrumentation circuits. All circuits are conveniently indexed by type.
  Extract from the document

  Application Note 87
  November 2000 Linear Technology Magazine Circuit Collection, Volume V
  Data Conversion, Interface and Signal Conditioning Products
  Richard Markell, Editor
  INTRODUCTION
  Application Note 87 is the fifth in a series that excerpts
  useful circuits from Linear Technology magazine to preserve them for posterity. This application note highlights
  data conversion, interface and signal conditioning circuits
  from issue VI:1 (February 1996) through issue VIII:4
  (November 1998). Like its predecessor, AN67, this Application Note includes circuits for high speed video, interface and hot swap circuits, active RC and switched capacitor filter circuitry and a variety of data conversion and instrumentation circuits. There are also several circuits
  that cannot be so neatly categorized. So, without further
  ado, I’ll let the authors describe their circuits.
  Note: Article Titles appear in this application note exactly
  as they originally appeared in Linear Technology magazine. This may result in some inconsistency in the usage
  of terminology. TABLE OF CONTENTS
  Introduction . 1
  DATA CONVERTERS
  The LTC®1446 and LTC1446L: World’s First Dual 12-Bit DACs in SO-8 Packages . 3
  Multichannel A/D Uses a Single Antialiasing Filter. 4
  LTC1454/54L and LTC1458/58L: Dual and Quad 12-Bit, Rail-to-Rail, Micropower DACs . 5
  Micropower ADC and DAC in SO-8 Give PC 12-Bit Analog Interface . 7
  The LTC1594 and LTC1598: Micropower 4-and 8-Channel 12-Bit ADCs . 10
  MUX the LTC1419 Without Software . 13 …

Design Notes

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  The LTC1590: Applications Versatility of Dual 12-Bit DAC &mdash DN167
  PDF, 77 Kb, File published: Nov 1, 1997
  Extract from the document

  The LTC1590: Applications Versatility of Dual 12-Bit DAC
  Design Note 167
  Kevin R. Hoskins
  INTRODUCTION APPLICATIONS CMOS multiplying digital-to-analog converters (MDACs)
  make versatile building blocks that go beyond their
  basic function of converting digital data into analog
  signals. This Design Note details some of the other
  circuits that are possible when using the LTC В®1590
  dual, serial 12-bit current output DAC. This DAC, shown
  in Figure 1, features: Digitally Controlled Attenuator and PGA
  The circuit shown in Figure 2 uses the LTC1590 to create a digitally controlled attenuator using DAC A, and a
  programmable gain amplifier (PGA) using DAC B. The
  attenuator’s gain is set using the following equation: ■
  в– 
  в– 
  в– 
  в– 
  в–  2-and 4-Quadrant Multiplying Capability
  Outstanding INL and DNL: 0.1LSB Typ, 0.5LSB Max
  Over Temperature
  Low Supply Current: 10ОјA
  3-Wire, Daisy-Chainable SPI Serial I/O
  Clear Input Resets DACs to Zero Scale …

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Manufacturer's Classification

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