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OPA1622EVM SoundPlus™ Audio Operational Amplifier
This user's guide contains information for the OPA1622 as well as support documentation for the
OPA1622 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 OPA1622EVM.
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3.1
3.2
3.3
4
4.1
Power Supply Connections
4.2
4.3
4.4
4.5
4.6
4.7
5
5.1
6
6.1
Schematic
6.2
SoundPlus is a trademark of Texas Instruments.
All other trademarks are the property of their respective owners.
SBOU172 - September 2016
Submit Documentation Feedback
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OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module
Copyright © 2016, Texas Instruments Incorporated
Evaluation Module
Contents
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User's Guide
SBOU172 - September 2016
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Table of Contents
Related Manuals for Texas Instruments SoundPlus OPA1622EVM
Summary of Contents for Texas Instruments SoundPlus OPA1622EVM
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Page 1: Table Of Contents
Schematic, Bill of Materials, and Reference ......................Schematic ....................Bill of Materials SoundPlus is a trademark of Texas Instruments. All other trademarks are the property of their respective owners. SBOU172 – September 2016 OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module Submit Documentation Feedback... -
Page 2: Introduction
–120.25 dBV Second Harmonic – Right Channel = 1 Vrms, Load = 16 Ω, Fin = 1 kHz –120.68 dBV OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module SBOU172 – September 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 3: Modifications
(Right Channel Input) Left Channel Output OPA1622 (Right Channel Output) R3 (R7) (R8) (C4) Copyright © 2016, Texas Instruments Incorporated Figure 1. OPA1622EVM Schematic Gain Equation 1 Equation 2 display the transfer function of the circuit shown in Figure æ... -
Page 4: Cutoff Frequency
The THD+N vs. Frequency, THD+N vs. Amplitude, and FFT measurements were taken using an Audio Precision APx555. All measurements were taken using ±5-V supplies at an ambient temperature of 25 °C, unless otherwise noted. OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module SBOU172 – September 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 5: Input Connections
VCC can be applied to the enable pin of the OPA1622. External sources can be applied to the enable pin by removing the shunt and resistor R9 and connecting an external source to the pin of J5 labeled EN. SBOU172 – September 2016 OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 6: Thd+N Vs. Frequency
Left Channel Right Channel 0.00001 -140 2000 20000 Frequency (Hz) C002 Figure 4. THD+N vs. Frequency for a 16-Ω Load OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module SBOU172 – September 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 7: Thd+N Vs. Amplitude
-120 Left Channel Right Channel 0.00001 -140 0.01 Frequency (Vrms) C004 Figure 6. THD+N vs. Amplitude for a 16-Ω Load SBOU172 – September 2016 OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 8: Fast Fourier Transforms
8000 10000 12000 14000 16000 18000 20000 Frequency (Hz) C006 Figure 8. FFT of Right Channel with a 32-Ω Load OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module SBOU172 – September 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 9: Fft Of Left Channel With A 16-Ω Load
8000 10000 12000 14000 16000 18000 20000 Frequency (Hz) C008 Figure 10. FFT of Right Channel With a 16-Ω Load SBOU172 – September 2016 OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 10: Board Layout
OPA1622EVM. Refer to the application report, PowerPAD™ Thermally Enhanced Package (SLMA002), for more information. Figure 11. Top Layer PCB Layout OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module SBOU172 – September 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 11: Bottom Layer Pcb Layout
Board Layout www.ti.com Figure 12. Bottom Layer PCB Layout SBOU172 – September 2016 OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 12: Schematic, Bill Of Materials, And Reference
1.00k Right Channel Input Right Channel 1.00k OPA1622IDRCR 1.00k 100pF Copyright © 2016, Texas Instruments Incorporated Figure 13. OPA1622EVM Schematic OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module SBOU172 – September 2016 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... -
Page 13: Bill Of Materials
Operational Amplifier, DRC0010J Reference • OPA1622 SoundPlus™ High-Fidelity, Bipolar-Input, Audio Operational Amplifier datasheet (SBOS727) • PowerPAD™ Thermally Enhanced Package (SLMA002) SBOU172 – September 2016 OPA1622EVM SoundPlus™ Audio Operational Amplifier Evaluation Module Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated... - Page 14 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
- Page 15 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
- Page 16 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
- Page 17 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2015, Texas Instruments Incorporated...
- Page 18 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.
- Page 19 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments OPA1622EVM...