ADG1219

PRODUCTION

Low Capacitance, Low Charge Injection, ±15 V/12 V iCMOS® SPDT in SOT-23

Data Sheet (Rev. A) Product Selection Table
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Overview

  • <0.5 pC charge injection over full signal range
  • 2.5 pF off capacitance
  • Low leakage; 0.6 nA maximum @ 85°C
  • 120 Ω on resistance
  • Fully specified at +12 V, ±15 V
  • No VL supply required
  • 3 V logic-compatible inputs
  • Rail-to-rail operation
  • 8-lead SOT-23 package

The ADG1219 is a monolithic iCMOS® device containing an SPDT switch. An EN input is used to enable or disable the device. When disabled, all channels are switched off. When on, each channel conducts equally well in both directions and has an input signal range that extends to the supplies. Each switch exhibits break-before-make switching action.

The iCMOS (industrial CMOS) modular manufacturing process combines high voltage complementary metal-oxide semiconductor (CMOS) and bipolar technologies. It enables the development of a wide range of high performance analog ICs capable of 33 V operation in a footprint that no other generation of high voltage parts has been able to achieve. Unlike analog ICs using conventional CMOS processes, iCMOS components can tolerate high supply voltages while providing increased performance, dramatically lower power consumption, and reduced package size.

The ultralow capacitance and exceptionally low charge injection of these multiplexers make them ideal solutions for data acquisition and sample-and-hold applications, where low glitch and fast settling are required. Figure 2 shows that there is minimum charge injection over the entire signal range of the device. iCMOS construction also ensures ultralow power dissipation, making the parts ideally suited for portable and battery-powered instruments.

Applications
  • Automatic test equipment
  • Data acquisition systems
  • Battery-powered systems
  • Sample-and-hold systems
  • Audio/video signal routing
  • Communication systems

    •
    ADG1219
    Low Capacitance, Low Charge Injection, ±15 V/12 V iCMOS® SPDT in SOT-23
    ADG1219-fbl
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    Documentation

    Data Sheet 1

    Application Note 1

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    Software Resources

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    Tools & Simulations

    LTspice

    Models for the following parts are available in LTspice:

    • ADG1219

    SPICE Model 1

    LTspice

    LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

    Reference Designs

    Figure 1. CN0582 Simplified System Block Diagram
    Figure 1. CN0582 Simplified System Block Diagram
    EVAL-CN0582-USBZ
    EVAL-CN0582-USBZ - Top View
    EVAL-CN0582-USBZ - Bottom View
    CN0582 Circuits from the lab

    USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System

    View Detailed Reference Design

    Features and Benefits

    • 4-Channels of Analog Input
    • IEPE, 4-20mA Sensor Compatible
    • Frequency Generator Output

    Part Used

    Design & Integration Tools

    Videos

    • lazy blur
      VIDEO · 2023-03-07 01:00
      CN0582: USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System​
    CN0582
    USB 3.0 Quad-Channel IEPE Vibration Sensor Measurement System
    Figure 1. CN0582 Simplified System Block Diagram
    EVAL-CN0582-USBZ
    EVAL-CN0582-USBZ - Top View
    EVAL-CN0582-USBZ - Bottom View

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