Introduction; Performance Specification Summary - Texas Instruments SoundPlus OPA1622EVM User Manual

Introduction

6.3 Reference
1 OPA1622EVM Schematic
2 Power Supply Connections
3 THD+N vs. Frequency for a 32-Ω Load
4 THD+N vs. Frequency for a 16-Ω Load
5 THD+N vs. Amplitude for a 32-Ω Load
6 THD+N vs. Amplitude for a 16-Ω Load
7 FFT of Left Channel With a 32-Ω Load
8 FFT of Right Channel with a 32-Ω Load
9 FFT of Left Channel With a 16-Ω Load
10 FFT of Right Channel With a 16-Ω Load
11 Top Layer PCB Layout
12 Bottom Layer PCB Layout
13 OPA1622EVM Schematic
1 OPA1622EVM Measured Performance Summary
2 OPA1622EVM Bill of Materials
1 Introduction
The OPA1622 is a high-performance, bipolar-input SoundPlus™ audio operational amplifier. For a full list
of electrical characteristics of the OPA1622, please refer to the OPA1622 product datasheet (SBOS727).
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Performance Specification Summary

A summary of the OPA1622EVM performance specifications is provided in
given for a supply voltage of V
Specification
Total Harmonic Distortion Plus Noise
(THD+N) at 1 kHz
THD+N vs. at 1 kHz
Second Harmonic - Left Channel
Second Harmonic - Right Channel
Second Harmonic - Left Channel
Second Harmonic - Right Channel
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OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module
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List of Figures
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List of Tables
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= ±5 V and at an ambient temperature of 25°C, unless otherwise noted.
s
Table 1. OPA1622EVM Measured Performance Summary
V = 1 Vrms, Load = 32 Ω, Measurement Bandwidth
IN
V = 1 Vrms, Load = 16 Ω, Measurement Bandwidth
IN
V = 1 Vrms, Load = 32 Ω, Fin = 1 kHz
IN
V = 1 Vrms, Load = 32 Ω, Fin = 1 kHz
IN
V = 1 Vrms, Load = 16 Ω, Fin = 1 kHz
IN
V = 1 Vrms, Load = 16 Ω, Fin = 1 kHz
IN
Copyright © 2016, Texas Instruments Incorporated
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Table
Test Conditions
= 90 kHz
= 90 kHz
www.ti.com
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10
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1. Specifications are
Measured Performance
-108.10 dB
-107.8 dB
-125.45 dBV
-126.90 dBV
-120.25 dBV
-120.68 dBV
SBOU172 - September 2016
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