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LTC1285 LTC1285

Notas de Diseño

• Descargar
  Micropower 12-Bit ADCs Shrink Board Space &mdash DN116
  PDF, 74 Kb, Archivo publicado: oct 1, 1995
  Extracto del documento

  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 …

• Descargar
  Applications of a Rail-to-Rail Amplifier &mdash DN89
  PDF, 77 Kb, Archivo publicado: oct 1, 1994
  Extracto del documento

  Applications of a Rail-to-Rail Amplifier – Design Note 89
  William Jett and Sean Gold
  The LT®1366 is Linear Technology’s first bipolar dual
  operational amplifier to combine rail-to-rail input and
  output operation with precision VOS specifications. The
  LT1366 maintains precision specifications over a wide
  range of operating conditions. The device will operate
  with supply voltages as low as 1.8V and is fully specified for 3V, 5V, and ±15V operation. Offset voltage is
  typically 200ОјV when operating from a single 5V supply. Open-loop gain, AVOL, is 2 million driving a 2kО©
  load. Supply current is typically 375μA per amplifier.
  The combination of precision specifications and rail-torail operation makes the LT1366 a versatile amplifier,
  suitable for signal processing tasks that demand the
  widest possible common-mode range.
  Precision Low Dropout Regulator
  Microprocessors and complex digital circuits frequently
  specify tight control of power supply characteristics.
  The circuit shown in Figure 1 provides a precise 3.6V,
  1A output from a minimum 3.8V input voltage. The
  circuit’s nominal operating voltage is 4.75V ±5%. The
  voltage reference and resistor ratios determine output
  voltage accuracy, while the LT1366’s high gain enforces
  0.2% line and 0.2% load regulation. Quiescent current
  is about 1mA and does not change appreciably with supply or load. All components are available in surface …

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Clasificación del fabricante

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

Otros nombres:

LTC1288IS8PBF, LTC1288IS8 PBF