Datasheet Linear Technology LTC1098A — Datenblatt

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LTC1096 LTC1096 LTC1096A LTC1096L LTC1098 LTC1098 LTC1098L

Anwendungshinweise

• Herunterladen
  Linear Technology Magazine Circuit Collection, Volume 1 &mdash AN52
  PDF, 190 Kb, Datei veröffentlicht: Jan 1, 1993
  This application note consolidates the circuits from the first few years of Linear Technology magazine into one publication. Presented in the note are a variety of circuits ranging from a 50W high efficiency (>90%) switching regulator to steep roll-off filter circuits with low distortion to 12-bit differential temperature measurement systems.
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  Application Note 52
  January 1993
  Linear Technology Magazine Circuit Collection, Volume 1
  Richard Markell, Editor
  Introduction
  Over the past several years Linear Technology, the magazine, has come of age. From nothing, the publication has
  come into its own, as has its subscriber list. Many innovative circuits have seen the light of day in the pages of our
  now hallowed publication. This Application Note is meant to consolidate the circuits
  from the first few years of the magazine in one place.
  Circuits herein range from laser diode driver circuits to
  data acquisition systems to a 50W high efficiency switcher
  circuit. Enough said. I’ll stand aside and let the authors
  explain their circuits.
  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. CIRCUIT INDEX
  A-to-D Converters .2
  LTC1292: 12-BIT DATA ACQUISITION CIRCUITS .2
  Temperature-Measurement System .2
  Floating, 12-Bit Data Acquisition System .2
  Differential Temperature Measurement System .2
  MICROPOWER SO8 PACKAGED ADC CIRCUITS .4
  Floating 8-Bit Data Acquisition System .4
  0В°C – 70В°C Thermometer .5 …

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  Data Acquisition Circuit Collection &mdash AN62
  PDF, 349 Kb, Datei veröffentlicht: 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.
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  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 . …

Konstruktionshinweise

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  Micropower 12-Bit ADCs Shrink Board Space &mdash DN116
  PDF, 74 Kb, Datei veröffentlicht: Oct 1, 1995
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  Micropower 12-Bit ADCs Shrink Board Space – Design Note 116
  Kevin R. Hoskins Many portable and battery-powered systems require
  internal analog-to-digital conversion. Some, such as
  pen-based computers, have ADCs at their very cores
  digitizing the pen screen. Other systems use ADCs more
  peripherally to monitor voltages or other parameters
  inside the equipment. Regardless of the use, it has been
  difficult to obtain small ADCs at power levels and prices
  that are low enough. The LTC1286/LTC1298 meet these
  low power dissipation and package size needs.
  Micropower and 12-Bits in an SO-8 Package
  The LTC1286/LTC1298 are the latest members of the
  growing family of SO-8 packaged parts (TableВ  1).
  As the п¬Ѓrst of their kind in SO-8 packages, these are
  improvements to the 8-bit micropower LTC1096/
  LTC1098 ADCs. The LTC1286/LTC1298 use a successive approximation register (SAR) architecture. Both
  converters contain sample-and-holds and serial data
  Table 1. LTC Micropower 3V and 5V 12-Bit ADCs DEVICE POWER
  DISSIPATION
  AT 200ksps SAMP
  FREQ S/(N+D)
  AT
  INPUT POWER …

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  The LTC1096 and LTC1098: Micropower, SO-8, 8-Bit ADCs Sample at 1kHz on 3ОјA of Supply Current &mdash DN60
  PDF, 76 Kb, Datei veröffentlicht: May 1, 1992
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  The LTC1096 and LTC1098: Micropower, SO-8, 8-Bit ADCs
  Sample at 1kHz on 3µA of Supply Current – Design Note 60
  William Rempfer and Marco Pan
  The LTC В®1096 and LTC1098 are the lowest power,
  most compact, sampling analog-to-digital converters
  in the world. These new 8-bit micropower, sampling
  ADCs typically draw 100ОјA of supply current when
  sampling at 33kHz. Supply current drops linearly as
  the sample rate is reduced as shown in Figure 1. At a
  1kHz sample rate, the supply current is only 3ОјA. The
  ADCs automatically power down when not performing
  conversions, drawing only leakage current. will run off a Panasonic CR1632 3V lithium coin cell
  for п¬Ѓve years.
  The automatic shutdown has great advantages over
  the alternative of high side switching a higher power
  ADC, shown in Figure 3. First, no switching signal or
  hardware is required. Second, power consumption is
  L, LT, LTC, LTM, Linear Technology and the Linear logo are registered and
  LTBiCMOS is a trademark of Linear Technology Corporation. All other trademarks
  are the property of their respective owners. They are packaged in 8-pin SO packages and operate
  on 3V to 9V supplies or batteries. Both are fabricated on
  Linear Technology’s proprietary LTBiCMOS™ process. 1. An architecture which automatically powers up and
  down as conversions are requested …

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• Data Conversion > Analog-to-Digital Converters (ADC) > Precision ADCs (Fs < 10Msps) > Multi Channel ADCs