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Корпус / Упаковка / Маркировка

Параметры

Экологический статус

Другие варианты исполнения

LT1711 LT1711

Application Notes

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  Minimizing Switching Regulator Residue in Linear Regulator Outputs &mdash AN101
  PDF, 358 Кб, Язык: анг., Файл опубликован: 16 июл 2005, Страниц: 12
  Application Note 101. Linear regulators are commonly employed to post-regulate switching regulator outputs. Benefits include improved stability, accuracy, transient response and lowered output impedance. Ideally, these performance gains would be accompanied by markedly reduced switching regulator generated ripple and spikes. In practice, all linear regulators encounter some difficulty with ripple and spikes, particularly as frequency rises. This publication explains the causes of linear regulators' dynamic limitations and presents board level techniques for improving ripple and spike rejection. A hardware based ripple/spike simulator is presented, enabling rapid breadboard testing under various conditions. Three appendices review ferrite beads, inductor based filters and probing practice for wideband, sub-millivolt signals.
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  Application Note 101
  July 2005
  Minimizing Switching Regulator Residue
  in Linear Regulator Outputs
  Banishing Those Accursed Spikes
  Jim Williams
  INTRODUCTION
  Linear regulators are commonly employed to post-regulate
  switching regulator outputs. Benefits include improved
  stability, accuracy, transient response and lowered output
  impedance. Ideally, these performance gains would be
  accompanied by markedly reduced switching regulator
  generated ripple and spikes. In practice, all linear regulators
  encounter some difficulty with ripple and spikes, particularly as frequency rises. This effect is magnified at small
  regulator VIN to VOUT differential voltages; unfortunate,
  because such small differentials are desirable to maintain
  efficiency. Figure 1 shows a conceptual linear regulator
  and associated components driven from a switching
  regulator output.
  The input filter capacitor is intended to smooth the ripple and
  spikes before they reach the regulator. The output capacitor maintains low output impedance at higher frequencies,
  improves load transient response and supplies frequency
  compensation for some regulators. Ancillary purposes include noise reduction and minimization of residual inputderived artifacts appearing at the regulators output. It is …

Design Notes

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  Rail-to-Rail I/O and 2.4V Operation Allow UltraFast Comparators to be Used on Low Voltage Supplies &mdash DN248
  PDF, 105 Кб, Файл опубликован: 1 янв 2001
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  Rail-to-Rail I/O and 2.4V Operation Allow UltraFast Comparators to be Used on Low Voltage Supplies
  Design Note 248
  Glen Brisebois
  The new LTВ®1711 to LT1714 family of UltraFastв„ў
  comparators have full differential rail-to-rail inputs and
  outputs and operate down to 2.4V, allowing unfettered
  application on low supply voltages. The LT1711 (single)
  and LT1712 (dual) are specified at 4.5ns of propagation
  delay and 100MHz toggle frequency. The lower power
  LT1713 (single) and LT1714 (dual) are specified at 7ns
  of propagation delay and 65MHz toggle frequency. All
  of these comparators are fully equipped to support
  multiple supply applications and have Latch Enable
  (LE) pins and complementary outputs like the popular
  LT1016, LT1116, LT1671 and LT1394. They are available in MSOP and SSOP packages, fully specified
  over commercial and industrial temperature ranges
  on 2.7V, 5V and В±5V supplies.
  Simultaneous Full Duplex 75Mbaud Interface
  with Only Two Wires
  The circuit of Figure 1 shows a simple, fully bidirectional, differential 2-wire interface that gives good
  results to 75Mbaud, using the lower power LT1714.
  Eye diagrams under conditions of unidirectional and
  bidirectional communication are shown in Figures 2 …

Статьи

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  New UltraFast Comparators: Rail-to-Rail Inputs and 2.4V Operation Allow Use on Low Supplies &mdash LT Journal
  PDF, 194 Кб, Файл опубликован: 1 фев 2001
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  DESIGN FEATURES New UltraFast Comparators: Rail-toRail Inputs and 2.4V Operation Allow
  Use on Low Supplies
  by Glen Brisebois
  Introduction
  The new LT1711 family of UltraFast
  comparators has fully differential railto-rail inputs and outputs and
  operates on supplies as low as 2.4V,
  allowing unfettered application on low
  voltages. The LT1711 (single) and
  LT1712 (dual) are specified at 4.5ns
  of propagation delay and 100MHz
  toggle frequency. The low power
  LT1713 (single) and LT1714 (dual)
  are specified at 7ns of propagation
  delay and 65MHz toggle frequency.
  All of these comparators are fully
  equipped to support multiple-supply
  applications, and have latch-enable
  pins and complementary outputs like
  the popular LT1016, LT1671 and
  LT1394. They are available in MSOP
  and SSOP packages, fully specified
  over commercial and industrial temperature ranges on 2.7V, 5V and В±5V …

Модельный ряд

Классификация производителя

• Signal Conditioning > Comparators > High Speed Comparators

Варианты написания:

LT1712IGNTRPBF, LT1712IGN TRPBF