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Notas de Diseño

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  New 500ksps and 600ksps ADCs Match Needs of High Speed Applications &mdash DN88
  PDF, 88 Kb, Archivo publicado: nov 1, 1994
  Extracto del documento

  500ksps and 600ksps ADCs Match Needs of
  High Speed Applications – Design Note 88
  Kevin R. Hoskins Power Shutdown: 5mW Wakes Up in a Scant 300ns Single 5V or В±5V Supply Voltage Operation Low Power Dissipation: 150mW (Max), 75mW (Typ) Small 24-Pin SO or 24-Pin Narrow DIP Packages
  The LTC1278/LTC1279’s DC performance includes
  В±1LSB INL and DNL, no missing codes, and an internal
  voltage reference with a full-scale drift of only 25ppm/В°C.
  The AC performance includes 70dB (Min) SINAD,
  –78dB (Max) THD, and –82dB (Max) spurious-free
  dynamic range. These specifications were measured
  at fS = 500ksps (LTC1278) or fS = 600ksps (LTC1279),
  fIN = 100kHz, and are guaranteed over the operating
  temperature range. The plot of effective-number-of-bits
  (ENOB) shown in Figure 1 clearly indicates that the
  LTC1278/LTC1279 can accurately sample signals that
  contain spectral energy beyond the Nyquist frequency.
  Newest High Speed ADC Family Members
  The LTC1278/LTC1279 are self-contained ADC systems
  composed of a fast capacitively-based charge redistribution Successive Approximation Register (SAR)
  sampling ADC, internal reference, power shutdown,
  and internally generated and synchronized conversion
  11/94/88_conv 74
  68 12
  11 62 10 …

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

Otros nombres:

LTC1279ISWPBF, LTC1279ISW PBF