Datasheet Linear Technology LTC1392 — Datenblatt

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• Herunterladen
  Linear Technology Magazine Circuit Collection, Volume III &mdash AN67
  PDF, 1.2 Mb, Datei veröffentlicht: Sep 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.
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  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 …

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  Temperature and Voltage Measurement in a Single Chip &mdash DN106
  PDF, 89 Kb, Datei veröffentlicht: Jun 2, 1995
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  Temperature and Voltage Measurement in a Single Chip
  Design Note 106
  Ricky Chow and Dave Dwelley Measurement Performance
  Wafer level trimming allows the LTC1392 to achieve
  guaranteed accuracy of В±2В°C at room temperature and
  В±4В°C over the entire operating temperature range. The
  10-bit A/D converter gives 0.25В° resolution over the 0В°C
  to 70°C (LTC1392C) or –40°C to 85°C (LTC1392I) range.
  Temperature is output as (ADC code/4) – 130°C with
  a theoretical maximum range of –130°C to 125.75°C.
  Figure 1 shows the typical output temperature error of
  the LTC1392 over temperature.
  In supply voltage monitor mode, the A/D converter
  makes a differential measurement between the 2.42V
  reference and the actual power supply voltage. Each
  LSB step is equal to approximately 4.727mV, giving a
  theoretical measurement range of 2.42V to 7.2V. The
  LTC1392 has guaranteed accuracy over a voltage range
  of 4.5V to 6V, with a total absolute error of В±25mV or
  В±40mV respectively, over the commercial or industrial 06/95/106_conv 5
  LTC1392C
  GUARANTEED
  MAX 4 …

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  LTC1392 Monitors System Temperature and Multiple Supply Voltages and Currents &mdash DN149
  PDF, 70 Kb, Datei veröffentlicht: Mar 1, 1997
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  Monitor System Temperature and Multiple Supply Voltages
  and Currents – Design Note 149
  Kevin R. Hoskins and Alan Rich
  Fault-tolerant systems ensure their users uninterrupted
  service and prevent data loss through acquisition of
  accurate supply voltage, load current and temperature
  information. By comparing this information to predetermined operating profiles, the system decides if the
  measured data is within nominal ranges or if a fault
  condition is looming. If a fault condition is imminent,
  the system takes corrective action before data is lost. The measured data can also be used to establish preventative maintenance schedules. The system develops
  stress profiles based on operating time and the measured
  values of the different parameters. These profiles suggest
  a need for increased preventative maintenance when the
  measured values indicate high sustained peak operation
  over a given time period or a relaxed schedule during
  times of reduced activity.
  L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks
  of Linear Technology Corporation. All other trademarks are the property of their
  respective owners. 5V 5V LOAD
  0.05О©
  3
  11.3k 2 + 0.01ОјF 8 U1
  1/2 LT1366 – 6 4 …

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• Monitor, Control and Protection > Power Monitors
• Monitor, Control and Protection > Temperature Monitors > Digital Temperature Measurement Systems