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Notas de aplicación

• Descargar
  Data Acquisition Circuit Collection &mdash AN62
  PDF, 349 Kb, Archivo publicado: oct 1, 1994
  This application note presents a wide variety of data acquisition circuits. The detailed circuit schematics cover 8-, 10-, and 12- bit ADC and DAC applications, serial and parallel digital interfaces, battery monitoring, temperature sensing, isolated interfaces, and connections to various popular microprocessors and microcontrollers. An appendix covers suggested voltage references.
  Extracto del documento

  Application Note 62
  October 1994
  Data Acquisition Circuit Collection
  Kevin R. Hoskins
  INTRODUCTION
  This application note features 8-, 10-, and 12-bit data
  acquisition components in various circuit configurations.
  The circuits include battery monitoring, temperature sensing, isolated serial interfaces, and microprocessor and
  microcontroller serial and parallel interfaces. Also included are voltage reference circuits (Application Note 42
  contains more voltage reference circuits). Additional circuit information is located in the information
  references listed in the Circuit Index. Each information
  reference refers to either an application note (example:
  AN42 = Application Note 42), a data sheet (example:
  LTCВ®1292 DS = LTC1292 Data Sheet), or a design note
  (example: DN66 = Design Note 66).
  and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation. CIRCUIT INDEX
  FIGURE TITLE
  FIGURE NO.
  General Analog-to-Digital Application Circuits
  Two-Quadrant 150kHz Bandwidth Analog Multiplier . Figure 1 .
  Infinite Hold-Time Sample-and-Hold (tACQ = 240ns) . Figure 2 .
  Four-Quadrant 250kHz Bandwidth Analog Multiplier . Figure 3 .
  Demodulating a Signal Using Undersampling . Figure 4 . …

• Descargar
  Linear Technology Magazine Circuit Collection, Volume III &mdash AN67
  PDF, 1.2 Mb, Archivo publicado: sept 1, 1996
  Application Note 67 is a collection of circuits for data conversion, interface and signal processing from the first five years of Linear Technology. This application note includes circuits such as fast video multiplexers for high speed video, an ultraselective bandpass filter circuit with adjustable gain, and a fully differential, 8-channel, 12-bit A/D system. The categories included in this app note are data conversion, interface, filters, instrumentation, video/op amps and miscellaneous circuits.
  Extracto del documento

  Application Note 67
  September 1996
  Linear Technology Magazine Circuit Collection, Volume III
  Data Conversion, Interface and Signal Processing
  Richard Markell, Editor
  INTRODUCTION
  Application Note 67 is a collection of circuits from the first
  five years of Linear Technology, targeting data conversion,
  interface and signal processing applications. This
  Application Note includes circuits such as fast video
  multiplexers for high speed video, an ultraselective
  bandpass filter circuit with adjustable gain and a fully differential, 8-channel, 12-bit A/D system. The categories
  included herein are data conversion, interface, filters,
  instrumentation, video/op amps and miscellaneous
  circuits. Application Note 66, which covers power products
  and circuits from Linear Technology ’s first five years, is
  also available from LTC. ARTICLE INDEX
  Data Conversion . 3
  Fully Differential, 8-Channel, 12-Bit A/D System Using the LTCВ®1390 and LTC1410 . 3
  12-Bit DAC Applications . 5
  LTC1329 Micropower, 8-Bit, Current Output DAC Used for Power Supply Adjustment,
  Trimmer Pot Replacement . 7
  12-Bit Cold Junction Compensated, Temperature Control System with Shutdown . 8 …

Notas de Diseño

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  12-Bit Rail-to-Rail Micropower DACs in an SO-8 &mdash DN96
  PDF, 76 Kb, Archivo publicado: feb 1, 1995
  Extracto del documento

  12-Bit Rail-to-Rail Micropower DACs in an SO-8
  Design Note 96
  Hassan Malik and Jim Brubaker
  The LTC В®1451, LTC1452 and LTC1453 are complete,
  single supply, rail-to-rail voltage output 12-bit digitalto-analog (DAC) converters. They include an output
  buffer amplifier and a space saving SPI compatible
  three-wire serial interface. There is also a data output pin
  that allows daisy-chaining multiple DACs. These DACs
  use a proprietary architecture which guarantees a DNL
  (Differential Nonlinearity) error of less than 0.5LSB. The
  typical DNL error is about 0.2LSB as shown in FigureВ 1.
  There is a built-in power-on reset that resets the output
  to zero scale. The output amplifier can swing to within
  5mV of VCC when unloaded and can source or sink 5mA
  even at a 4.5V supply. These DACs come in an 8-pin
  PDIP and SO-8 package.
  5V and 3V Operation
  The LTC1451 has an on-board reference of 2.048V and
  a nominal output swing of 4.095V. It operates from a
  single 4.5V to 5.5V supply dissipating 2mW (ICC(TYP)
  = 400ОјA).
  The LTC1452 is a multiplying DAC with no on-board
  reference and a full-scale output of twice the reference …

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