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LTC1298 LTC1298

Design Notes

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  A Versatile 8-Channel Multiplexer &mdash DN112
  PDF, 75 Kb, File published: Sep 1, 1995
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  A Versatile 8-Channel Multiplexer – Design Note 112
  Kevin R. Hoskins
  Introduction
  Available in either 16-pin DIP or narrow body SOIC
  packages, the CMOS LTC В®1390 is a high performance
  8-to-1 analog multiplexer. It is addressed through a
  3-wire digital interface featuring bidirectional serial data.
  The LTC1390 features a typical on-resistance of 45О©,
  typical switch leakage of 50pA and guaranteed breakbefore-make switch operation. Charge injection is В±10pC
  (max). All digital inputs remain logic compatible whether
  operating on single or dual supplies. The inputs are
  robust, easily withstanding 100mA fault currents. The LTC1390 operates over a wide power supply voltage
  range of 3V to В±15V.
  Low Power, Daisy-Chain Serial Interface,
  8-Channel A/D System
  Figure 1 shows the LTC1390 connected to the LTC1286
  12-bit micropower A/D converter. The Clock (CLK)
  and Chip Select (CS) signals are connected in parallel
  to the LTC1390 and LTC1286. Both the LTC1390 and
  the LTC1286 are designed for serial data transfer. The
  L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks
  of Linear Technology Corporation. All other trademarks are the property of their
  respective owners. 5V – 5V 0.1ОјF 1 …

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  Micropower 12-Bit ADCs Shrink Board Space &mdash DN116
  PDF, 74 Kb, File published: Oct 1, 1995
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  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 …

Model Line

Manufacturer's Classification

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

Other Names:

LTC1286IS8PBF, LTC1286IS8 PBF