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LTC2193 LTC2193 LTC2194 LTC2194

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  Ultralow Power 16-Bit High Speed Signal Chain Solution for Portable Sampling Systems &mdash LT Journal
  PDF, 746 Kb, File published: Jul 15, 2011
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  Ultralow Power 16-Bit High Speed Signal Chain Solution for
  Portable Sampling Systems
  Clarence Mayott The LTC2195 family of ultralow power, dual 16-bit, 25Msps to 125Msps analog-to-digital
  converters (ADCs) dissipate half the power of competing 16-bit solutions, extending
  battery run times in portable electronics. Despite consuming only ~1.5mW/Msps per
  channel, the LTC2195 does not shirk performance to save power, yielding a 76.8dB
  signal-to-noise ratio (SNR) and 90dB of spurious free dynamic range (SFDR) at baseband (0MHz–62.5MHz, the first Nyquist zone). Serial LVDS outputs reduce the number
  of data lines required for routing the ADC data while minimizing digital feedback.
  SIGNAL PATH DESIGN The LTC2195 family is an ideal solution for applications that require 16-bit
  performance and ultralow power consumption to extend battery life. Portable
  medical imaging equipment is a perfect
  example. In many imaging applications
  the signal from the image sensor must
  be conditioned before being sampled by
  the ADC. For this task, it is important to
  choose a low noise, low power amplifier that matches the performance of the
  ADC, such as the LTC6406, which makes
  a good match for the LTC2195 family.
  The LTC6406 is a fully differential
  amplifier with low noise (1.6nV/в€љHz at
  the input) and high linearity (+44dBm
  OIP3 at 20MHz) in a small 3mm Г— 3mm QFN package. External resistors set the
  gain, giving the user maximum design …

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Manufacturer's Classification

• Data Conversion > Analog-to-Digital Converters (ADC) > High Speed ADCs (Fs >=10Msps)

Other Names:

LTC2195IUKGPBF, LTC2195IUKG PBF