ADG412

PRODUCTION

LC2MOS Precision Quad SPST Switch

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Overview

  • 44 V Supply Maximum Ratings
  • ± 15 V Analog Signal Range
  • Low On-Resistance (< 35 Ω)
  • TTL/CMOS-Compatible Inputs
  • Fast Switching Times
    tON <175 ns
    tOFF <145 ns
  • Ultralow Power Dissipation (<35 µW )

The ADG411, ADG412, and ADG413 are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC2MOS process which provides low power dissipation yet gives high switching speed and low on resistance.

The on resistance profile is very flat over the full analog input range ensuring excellent linearity and low distortion when switching audio signals. Fast switching speed coupled with high signal bandwidth also make the parts suitable for video signal switching. CMOS construction ensures ultralow power dissipation, making the parts ideally suited for portable and battery-powered instruments.

The ADG411, ADG412, and ADG413 contain four independent SPST switches. The ADG411 and ADG412 differ only in that the digital control logic is inverted. The ADG411 switches are turned on with a logic low on the appropriate control input, while a logic high is required for the ADG412. The ADG413 has two switches with digital control logic similar to that of the ADG411 while the logic is inverted on the other two switches.

Each switch conducts equally well in both directions when on, and each has an input signal range that extends to the supplies. In the off condition, signal levels up to the supplies are blocked. All switches exhibit break-before-make switching action for use in multiplexer applications. Inherent in the design is low charge injection for minimum transients when switching the digital inputs.

PRODUCT HIGHLIGHTS

  1. Extended signal range
    The ADG411, ADG412, and ADG413 are fabricated on an enhanced LC2MOS, giving an increased signal range which extends fully to the supply rails.
  2. Ultralow power dissipation.
  3. Low RON
  4. Break-before-make switching
    This prevents channel shorting when the switches are configured as a multiplexer.
  5. Single-supply operation
    For applications where the analog signal is unipolar, the ADG411, ADG412, and ADG413 can be operated from a single-rail power supply. The parts are fully specified with a single 12 V power supply and remain functional with single supplies as low as 5 V.

APPLICATIONS

  • Audio and video switching
  • Automatic test equipment
  • Precision data acquisition
  • Battery-powered systems
  • Sample-and-hold systems
  • Communication systems

ADG412
LC2MOS Precision Quad SPST Switch
ADG412 Functional Block Diagram ADG412 Pin Configuration
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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • ADG412

SPICE Model 3

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.


Evaluation Kits

eval board
EVAL-16TSSOP

Evaluation Board for 16 lead TSSOP Devices in the Switch/Mux Portfolio

Features and Benefits

  • 16 lead TSSOP evaluation board
  • Clamp to allow the main device to be changed easily
  • Gold pin connectors to allow the addition of passive components
  • SMB connectors for the input/output of signals
  • Additional space on board to allow for prototyping

Product Details

The EVAL-16TSSOPEBZ evaluation board evaluates 16-lead TSSOP devices in the Switches and Multiplexers Portfolio that are purchased separately. A clamp is supplied with the EVAL-16TSSOPEBZ to secure a 16-lead TSSOP device to the evaluation board without the need for soldering, making the board reusable for multiple devices.

A 16-lead TSSOP device can be clamped or soldered to the center of the evaluation board. Each pin of the device has a corresponding link from K1 to K16 that can be set to either VDD or GND. A wire screw terminal supplies VDD and GND. SMB connectors on the board allow additional external signals to be supplied to the device. In addition, there is space available at the top of the board for prototyping.

Full specifications of the device under test (DUT) are available in the corresponding product data sheet, which should be consulted in conjunction with this user guide when using the evaluation board.

EVAL-16TSSOP
Evaluation Board for 16 lead TSSOP Devices in the Switch/Mux Portfolio
EVAL-16TSSOPEBZ Image

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