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Summary of Contents for Texas Instruments TPA2000D4
- Page 1 TPA2000D4 Filterless Class D With Stereo Headphone Audio Power Amplifier EVM User’s Guide 2001 Mixed-Signal Products SLOU091A...
- Page 2 How to Use This Manual This document contains the following chapters: Chapter 1—Introduction Chapter 2—Operation Related Documentation From Texas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU011) provides detailed information on the evaluation platform and its use with TI audio evaluation modules.
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Page 4: Table Of Contents
..............2.4.1 TPA2000D4 Audio Power Amplifier EVM Parts List ..... . - Page 5 ......2-10 Tables 2–1 Typical TI Plug-N-Play Platform Jumper and Switch Settings for the TPA2000D4 ..2–2 Typical TPA2000D4 EVM Jumper Settings .
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Page 6: Introduction
Chapter 1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA2000D4 filterless class-D audio with stereo headphone amplifier evaluation module (SLOP329). It includes a list of EVM features, a brief illustrated description of the module, and a list of EVM specifications. -
Page 7: Feature Highlights
Feature Highlights 1.1 Feature Highlights The TI TPA2000D4 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TPA2000D4 Stereo 2-W Filterless Class-D With Stereo Headphone Audio Power Amplifier Evaluation Module Class-D without output filter... -
Page 8: Description
The platform has room for a single TPA2000D4 evaluation module and is a convenient vehicle for demonstrating TI’s audio power amplifier and related evaluation modules. The EVMs simply plug into the platform, which... -
Page 9: Tpa2000D4 Evm Specifications
TPA2000D4 EVM Specifications 1.3 TPA2000D4 EVM Specifications Supply voltage range, V .......... -
Page 10: Operation
Chapter 2 Operation The steps in this chapter can be followed to quickly prepare the TPA2000D4 filterless class-D audio amplifier EVM for use. Using the TPA2000D4 with the TI plug-n-play audio amplifier evaluation platform is a quick and easy way to connect power, signal and control inputs, and signal outputs to the EVM using standard connectors. -
Page 11: Precautions
Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to V power input connector J1, J2, and/or V power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fuses and cause other damage to the platform, installed evaluation modules, and/or the power source. -
Page 12: Quick Start List For Platform
1) Ensure that all external power sources are set to OFF and that the platform power switch S1 is set to OFF. 2) Install a TPA2000D4 module in platform socket U2, taking care to align the module pins correctly. 3) Use switch S2 to select or bypass the signal conditioning EVM (U1). -
Page 13: Module Preparation
Insert the headphone into the onboard headphone jack (J3). Evaluation Module Preparations 11) Use jumpers GAIN0 and GAIN1 to set the gain (see Figure 2–2 and Table 2–4). Figure 2–2. Module Preparation Table 2–4. Typical TPA2000D4 EVM Jumper Settings GAIN1 GAIN0 GAIN (dB) Note: ON = Jumper installed, OFF = Open, X = Don’t care... -
Page 14: Quick Start List For Stand-Alone
13) Adjust the signal source level as needed. 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA2000D4 EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TPA2000D4 module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or the bottom of the module circuit board. -
Page 15: Tpa2000D4 Evm Gain Settings
Insert the headphone into the onboard headphone jack. Evaluation module preparations 6) Use jumpers GAIN0 and GAIN1 to set the gain as shown in Table 2–5. Table 2–5. TPA2000D4 EVM Gain Settings GAIN1 GAIN0 GAIN (dB) Note: ON = Jumper installed, OFF = Open, X = Don’t care... -
Page 16: Reference
2.4 Reference TPA2000D4 Audio Power Amplifier EVM Parts List 2.4.1 Table 2–6. TPA2000D4 EVM Parts List Manufacturer/ Reference Description Size Qty. Part Number C1–4 Capacitor, ceramic chip, 0.22 0603 Murata µF, +10%, Y5V, 16 V GRM39–Y5V224Z16 C5, C6 Capacitor, ceramic chip, 0.1... -
Page 17: Tpa2000D4 Filterless Class-D Evm Schematic
TPA2000D4 Filterless Class-D EVM Schematic 2.4.2 TPA2000D4 Filterless Class-D EVM Schematic The TPA2000D4 filterless class-D EVM schematic is shown in Figure 2–4. Figure 2–4. TPA2000D4 Class-D EVM Schematic Diagram Operation... -
Page 18: Tpa2000D4 Filterless Class-D Evm Pcb Layers
TPA2000D4 Filterless Class-D EVM PCB Layers 2.4.3 TPA2000D4 Filterless Class-D EVM PCB Layers The following illustrations depict the TPA2000D4 filterless class-D EVM PCB assembly and layers. These drawings are not to scale. Gerber plots can be obtained from any TI Sales Office. -
Page 19: Tpa2000D4 Filterless Class-D Evm Bottom Assembly
TPA2000D4 Filterless Class-D EVM PCB Layers Figure 2–6. TPA2000D4 Filterless Class-D EVM Bottom Assembly Note: All open areas are solid copper planes. 2-10 Operation... - Page 20 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete.
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