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1 SBOU205 – March 2018
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INA1620EVM Audio Amplifier Evaluation Module
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User's Guide
SBOU205 – March 2018
INA1620EVM Audio Amplifier Evaluation Module
This user's guide contains information for the INA1620 device as well as support documentation for the
INA1620 evaluation module (EVM). Included are the performance specifications, set-up procedure,
modifications, measured data, printed circuit board (PCB) layout, schematic, and bill of materials (BOM) of
the INA1620EVM.
Contents
1 Introduction
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2 Performance Specification Summary
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3 Modifications
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3.1 Gain
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3.2 Cutoff Frequency
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3.3 Phase Shift
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3.4 Alternative Uses for Internal Resistors
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4 Test Setup and Results
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4.1 Power Supply Connections
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4.2 Input Connections
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4.3 Output Connections
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4.4 Enable
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4.5 THD+N vs. Frequency
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4.6 THD+N vs. Amplitude
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4.7 Fast Fourier Transforms
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4.8 CMRR vs. Frequency
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5 Board Layout
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5.1 Layout
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6 Schematic, Bill of Materials, and Reference
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6.1 Schematic
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6.2 Bill of Materials
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6.3 Reference
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List of Figures
1 INA1620EVM Schematic Using Internal Resistors
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2 INA1620EVM Schematic Using External Resistors
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