Unpopulated evaluation module for fully differential amplifiers in the DGK (HVSSOP) package


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The DEM-FDA-DGK-EVM is an unpopulated evaluation module (EVM) for fully differential amplifiers (FDA) in the DGK (HVSSOP) package. This EVM is designed in accordance with high-speed performance specifications and Texas Instruments FDAs with output common mode (Vocm) control and power down (PD) functionality. The EVM is designed to enable quick and efficient lab testing of the high-speed FDAs using 50-Ω SMA connectors for use with lab equipment. The schematic considers all necessary connectors to perform lab measurements, including power and signal connections. The EVM is configured for single-ended input and single-ended output when populated according to the schematic and can accommodate fully differential behavior with proper configuration. The output transformer enables single-ended output for easy interfacing with test equipment and there are external SMA connectors for output common mode and power down control. Additional options on input traces prior to termination resistors and extensions of transformer pads allow for optional AC coupling. 

  • Split or single supply configuration
  • Configurable gain and feedback network with optional compensation capacitors
  • Supports single-ended or differential inputs
  • Designed for easy connection to standard 50-Ω input and output impedance lab equipment
  • Inputs, outputs and control signals all include SMA connectors for high-speed operation
Fully differential amplifiers
LMH5485-SEP Radiation-tolerant 850-MHz fully differential amplifier THS2630 35-V, 180-MHz high-speed low-noise fully-differential amplifier THS4131 Fully Differential Input/Output Low Noise Amplifier
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Evaluation board

DEM-FDA-DGK-EVM — Unpopulated evaluation module for fully differential amplifiers in the DGK (HVSSOP) package

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Type Title Date
* EVM User's guide DEM-FDA-DGK-EVM User's Guide PDF | HTML 05 Oct 2021
Certificate DEM-FDA-DGK-EVM EU RoHS Declaration of Conformity (DoC) 26 Oct 2021

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