ADG5404F

RECOMMENDED FOR NEW DESIGNS

Fault Protection and Detection, 10 Ω RON, 4-Channel Multiplexer

Data Sheet (Rev. C) Product Selection Table
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Overview

  • Overvoltage protection up to −55 V and +55 V
  • Power-off protection up to −55 V and +55 V
  • Overvoltage detection on source pins
  • Interrupt flags indicate fault status
  • Low on resistance: 10 Ω (typical)
    • On-resistance flatness of 0.5 Ω (maximum)
  • 4 kV human body model (HBM) ESD rating
  • Latch-up immune under any circumstance
  • Known state without digital inputs present
  • VSS to VDD analog signal range
    • ±5 V to ±22 V dual supply operation
    • 8 V to 44 V single-supply operation
    • Fully specified at ±15 V, ±20 V, 12 V, and 36 V

The ADG5404F is an analog multiplexer composed of four single channels with fault protected inputs. The ADG5404F switches one of the four inputs to a common drain, D, as determined by the 2-bit binary address lines (A0 and A1). An enable digital input, EN, is used to disable all the switches. Each channel conducts equally well in both directions when on, and each switch has an input signal range that extends to the supplies. The digital inputs are compatible with 3 V logic inputs over the full operating supply range.

When no power supplies are present, the switch remains in the off condition, and the channel inputs are high impedance. Under normal operating conditions, if the analog input signal levels on any Sx pin exceed VDD or VSS by a threshold voltage, VT, the channel turns off and that Sx pin becomes high impedance. If the channel is on, the drain pin reacts according to the drain response (DR) input pin. If the DR pin is left floating or pulled high, the drain remains high impedance and floats. If the DR pin is pulled low, the drain pulls to the exceeded rail. Input signal levels up to +55 V or −55 V relative to ground are blocked, in both the powered and unpowered conditions.

The low on resistance of the ADG5404F, combined with on-resistance flatness over a significant portion of the signal range, makes it an ideal solution for data acquisition and gain switching applications where excellent linearity and low distortion are critical.

Note that, throughout this data sheet, the dual function pin names are referenced only by the relevant function where applicable. See the Pin Configuration and Function Descriptions for full pin names and function descriptions.

Product Highlights

  1. Source pins are protected against voltages greater than the supply rails, up to −55 V and +55 V.
  2. Source pins are protected against voltages between −55 V and +55 V in an unpowered state.
  3. Overvoltage detection with digital output indicates operating state of switches.
  4. Trench isolation guards against latch-up.
  5. Optimized for low on resistance and on-resistance flatness.
  6. The ADG5404F can be operated from a dual supply of ±5 V up to ±22 V or a single power supply of 8 V up to 44 V.

Applications

  • Analog input/output modules
  • Process control/distributed control systems
  • Data acquisition
  • Instrumentation
  • Avionics
  • Automatic test equipment
  • Communication systems
  • Relay replacement
ADG5404F
Fault Protection and Detection, 10 Ω RON, 4-Channel Multiplexer
ADG5404F Functional Block Diagram ADG5404F Pin Configuration ADG5404F Pin Configuration
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Documentation

Data Sheet 1

User Guide 1

Technical Articles 1

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Evaluation Kits

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schematic 1
EVAL-ADG5404F

ADG5404F Evaluation Board

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Features and Benefits

  • Supply voltages
    Dual supply: ±5 V to ±22 V
    Single supply: 8 V to 44 V
  • Protected against overvoltage on source pins
    Signal voltages up to −55 V and +55 V
  • LED for visual overvoltage indication
  • Parallel interface compatible with 3 V logic
  • On-board low dropout (LDO) regulator for digital supply and control if required

Product Details

The ADG5404F is a 4-channel multiplexer. The ADG5404F has overvoltage detection and protection circuitry on the source pins and is protected against signals up to −55 V and +55 V in both the powered and unpowered state.

The ADG5404F is soldered to the center of the board and wire screw terminals are provided to connect to each of the source and drain pins. Three screw terminals are used to power the device, with a fourth terminal used to provide a user defined digital voltage if required. Alternatively, an LDO regulator is provided for 5 V digital voltage control and to supply the LED, which is mounted to provide visual indication of the fault status of the switch.

EVAL-ADG5404F
ADG5404F Evaluation Board
EVAL-ADG5404FEBZ, Power Supply, and Signal Generator

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