Datasheet Linear Technology LTC1294DCN#PBF — 数据表

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LTC1293 LTC1293 LTC1296 LTC1296

应用须知

• 下载
  Data Acquisition Circuit Collection &mdash AN62
  PDF, 349 Kb, 档案已发布: Oct 1, 1994
  This application note presents a wide variety of data acquisition circuits. The detailed circuit schematics cover 8-, 10-, and 12- bit ADC and DAC applications, serial and parallel digital interfaces, battery monitoring, temperature sensing, isolated interfaces, and connections to various popular microprocessors and microcontrollers. An appendix covers suggested voltage references.
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  Application Note 62
  October 1994
  Data Acquisition Circuit Collection
  Kevin R. Hoskins
  INTRODUCTION
  This application note features 8-, 10-, and 12-bit data
  acquisition components in various circuit configurations.
  The circuits include battery monitoring, temperature sensing, isolated serial interfaces, and microprocessor and
  microcontroller serial and parallel interfaces. Also included are voltage reference circuits (Application Note 42
  contains more voltage reference circuits). Additional circuit information is located in the information
  references listed in the Circuit Index. Each information
  reference refers to either an application note (example:
  AN42 = Application Note 42), a data sheet (example:
  LTCВ®1292 DS = LTC1292 Data Sheet), or a design note
  (example: DN66 = Design Note 66).
  and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation. CIRCUIT INDEX
  FIGURE TITLE
  FIGURE NO.
  General Analog-to-Digital Application Circuits
  Two-Quadrant 150kHz Bandwidth Analog Multiplier . Figure 1 .
  Infinite Hold-Time Sample-and-Hold (tACQ = 240ns) . Figure 2 .
  Four-Quadrant 250kHz Bandwidth Analog Multiplier . Figure 3 .
  Demodulating a Signal Using Undersampling . Figure 4 . …

设计须知

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  New 12-Bit Data Acquisition Systems Communicate with Microprocessors Over 4 Wires &mdash DN22
  PDF, 240 Kb, 档案已发布: May 1, 1989
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  New 12-Bit Data Acquisition Systems Communicate with
  Microprocessors Over 4 Wires – Design Note 22
  As board space and semiconductor package pins become
  more valuable, serial data transfer methods between
  microprocessors (MPUs) and their peripherals become
  more and more attractive. Not only does this save lines
  in the transmission medium, but, because of the savings
  in the package pins, more function can be packed into
  both the MPU and the peripheral. Users are increasingly
  able to take advantage of these savings as more MPU
  manufacturers develop serial ports for their products (1-3).
  However, peripherals which are able to communicate with
  these MPUs must be available in order for users to take full
  advantage. Also, MPU serial formats are not standardized
  so not all peripherals can talk to all MPUs.
  The LTCВ®1290 Family
  A new family of 12-bit data acquisition circuits has been
  developed to communicate over just 4 wires to the recently
  developed MPU synchronous serial formats as well as
  to MPUs which do not have serial ports. These circuits
  feature software configurable analog circuitry including analog multiplexers, sample and holds, bipolar and
  unipolar conversion modes and the ability to shut power
  completely off. They also have serial ports which can be …

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  A Single Supply RS232 Interface for Bipolar A to D Converters &mdash DN29
  PDF, 455 Kb, 档案已发布: Dec 1, 1989
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  A Single Supply RS232 Interface for Bipolar A to D Converters
  Design Note 29
  Sean Gold
  system. Construction also requires close attention to the
  layout of the system grounds and other aspects of circuit
  board design to avoid noise problems.2 Designing circuitry for single supply operation is often an
  attractive simplification for reducing production costs. Yet
  many applications call for just a few additional supplies to
  solve simple interface problems. The example presented
  here describes how an advanced RS232 interface can simplify an A to D converter which processes bipolar signals. To accommodate bipolar inputs (–5 < VIN < 5), the
  LTC1094’s negative rail must be biased beyond the extreme
  signal swing, but below absolute maximum ratings for
  supplies. A 5.6V Zener diode, D1, provides a sufficient
  bias because the V– pin draws very little current. The LT®1180 RS232 transceiver includes a charge pump
  which produces low ripple supplies with sufficient surplus
  current to drive a CMOS A to D converter and precision
  voltage reference. The circuit in Figure 1 operates from
  a single 5V supply, and draws a total quiescent current
  of only 37mA. These features make the circuit ideal for
  applications which must process bipolar signals with
  minimal support electronics. The A to D converter communicates with a remote controller via three wires, which carry the clock, the configuration
  word, and the output data. The chip select signal, CS, is
  generated from the incoming clock with a peak detector, …

模型线

制造商分类

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

其他名称:

LTC1294DCNPBF, LTC1294DCN PBF