Datasheet Linear Technology LT6203 — Ficha de datos

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LT6202 LT6202 LT6204 LT6204

Notas de Diseño

• Descargar
  100MHz Op Amp Features Low Noise Rail-to-Rail Performance While Consuming Only 2.5mA &mdash DN308
  PDF, 88 Kb, Archivo publicado: abr 2, 2003
  Extracto del documento

  100MHz Op Amp Features Low Noise Rail-to-Rail Performance
  While Consuming Only 2.5mA – Design Note 308
  Glen Brisebois
  The new LTВ®6202 op amp combines 100MHz gainbandwidth, 1.9nV/в€љHz voltage noise and rail-to-rail
  inputs and outputs, while consuming only 2.5mA. It
  also features a low 0.75pA/в€љHz current noise, and it
  contributes exceptionally low total noise and distortion
  power in small-signal applications. The device is fully
  specified on 3V, 5V and ±5V supplies and is available in
  commercial and industrial temperature grades in both
  the SOT and SO packages. Dual and quad versions are
  also available as the LT6203 and LT6204, respectively.
  Low Power, 2.4nV/в€љHz, Photodiode AC
  Transimpedance Amplifier Outperforms
  Monolithic Solutions
  You can’t optimize for everything. Op amp designs
  that try to squeeze good JFETs into their high speed
  monolithic processes inevitably compromise other
  parameters, usually resulting in high supply currents.
  Figure 1 shows a simple way to get the best of both
  worlds using the LT6202 and a low noise discrete
  JFET. The JFET acts as a source follower, buffering the
  inverting input of the LT6202 and making it suitable for …

• Descargar
  Driving a Low Noise, Low Distortion 18-Bit, 1.6Msps ADC &mdash DN494
  PDF, 1.1 Mb, Archivo publicado: agosto 1, 2011
  Extracto del documento

  Driving a Low Noise, Low Distortion 18-Bit, 1.6Msps ADC
  Design Note 494
  Guy Hoover
  Introduction
  The LTC В®2379-18 is an 18-bit, 1.6Msps SAR ADC with
  an extremely high SNR of 101dB and THD of –120dB. It
  also features a unique digital-gain compression function,
  which eliminates the need for a negative supply in the
  ADC driver circuit. the LTВ®6203 and minimizes disturbances reflected into
  the LT6203 from sampling transients. The 32k point FFT
  in Figure 2 shows the performance of the LTC2379-18 in
  the circuit of Figure 1.
  Single Supply Driver
  The circuit of Figure 3 uses the digital gain compression
  feature of the LTC2379-18, which defines the ADC full-scale
  input swing to be 10% to 90% of the reference voltage.
  This means that for a 5V reference the full-scale swing is Designing a driver circuit to get the best possible performance from the LTC2379-18 is not difficult. The two
  circuits presented here demonstrate differential and
  single-ended solutions using dual and single supplies.
  Note that the components used here have been carefully
  chosen with the ADC’s accuracy and acquisition time
  requirements in mind, so any modifications should be
  thoroughly tested. L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of …

Artículos

• Descargar
  High Speed Low Noise Op Amp Family Challenges Power and Distortion Assumptions with Rail-to-Rail Inputs and Output &mdash LT Journal
  PDF, 181 Kb, Archivo publicado: agosto 9, 2004
  Extracto del documento

  DESIGN FEATURES High Speed Low Noise Op Amp
  Family Challenges Power and
  Distortion Assumptions with Rail-to-Rail
  Inputs and Output by John Wright and Glen Brisbois
  Do the Math The tradeoff is all too familiar; low
  noise op amps dissipate high power.
  The 1.9nV/в€љHz LT6202, however,
  doesn’t follow this rule. It provides
  rail-to-rail input and output operation
  (meaning that maximum dynamic
  range can now be extracted on low
  supply voltages) with a supply current of only 2.5mA. The LT6200 offers
  even lower noise (0.95nV/в€љHz) and
  distortion, and it includes a shutdown feature for standby conditions.
  These unity gain stable amplifiers are
  well suited to fast low noise applications because of their respective
  100MHz and 165MHz gain bandwidth,
  low distortion, guaranteed noise specifications, and low offset voltage. The
  amplifiers operate on a total supply
  voltage of 2.5V to 12.6V, and are
  fabricated on Linear Technology’s high
  speed complimentary bipolar process.
  All are specified with 3V, 5V, and В±5V …

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Clasificación del fabricante

• Signal Conditioning > Amplifiers > Operational Amplifiers (Op Amps) > High Speed Amplifiers (GBW > 50MHz) | Low Noise Amplifiers ( | High Voltage Amplifiers (>12V) | Rail-to-Rail Amplifiers
• Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Amplifiers