Texas Instruments TPA0243 - Manuals

Page 3 - Preface; Related Documentation From Texas Instruments

iii Chapter Title—Attribute Reference Preface Related Documentation From Texas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literaturenumber SLOU011) provides detailed information on the evaluationplatform and its use with TI audio evaluation modules. TPA0243 2-W Mono Audio Power ...

Page 5 - Contents; Introduction; Figures

Running Title—Attribute Reference v Contents Contents 1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights 1-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 7 - Topic; Chapter 1

1-1 Introduction Introduction This chapter provides an overview of the Texas Instruments (TI) TPA0243audio amplifier evaluation module (SLOP269). It includes a list of EVMfeatures, a brief description of the module illustrated with a pictorial diagram,and a list of EVM specifications. Topic Page 1.1...

Page 9 - Description; Figure 1–1. The TI TPA0243 Audio Amplifier Evaluation Module

Description 1-3 Introduction 1.2 Description The TPA0243 audio power amplifier evaluation module is a complete 2-wattmono audio power amplifier with stereo headphone drive. It consists of the TITPA0243 mono 2-W audio power amplifier IC along with a small number ofother parts mounted on a circuit boa...

Page 11 - Operation; Chapter 2

2-1 Operation Quick start lists in this chapter contain steps that can be followed to quicklyprepare the TI plug-n-play audio amplifier evaluation platform for use with theTPA0243 audio amplifier EVM, or to connect the TPA0243 audio amplifierEVM for stand-alone operation. Using the TPA0243 audio amp...

Page 12 - Power Supply Input Polarity and Maximum Voltage; power; Figure 2–1. Quick Start Platform Map

2-2 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external powerconnected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polaritypower applied to these terminals can o...

Page 13 - Quick Start List for Platform; Table 2–1. Platform Jumper and Switch Settings for the TPA0243

2-3 2.2 Quick Start List for Platform Follow these steps when using the TPA0243 EVM with the TI plug-n-play audioamplifier evaluation platform (see the platform user’s guide, SLOU011, foradditional details). Table 2–1 shows typical platform jumper and switchsettings and numbered callouts for selecte...

Page 14 - Quick Start List for Stand-Alone; Figure 2–2. Module Map; Power supply

2-4 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA0243 EVM stand-alone or when connectingit into existing circuits or equipment. Connections to the TPA0243 moduleheader pins can be made via individual sockets, wire-wrapping, or solderingto the pins, either on the top or the b...

Page 15 - Stand-Alone Connection Diagrams; TPA0243 EVMs Connected for Stereo BTL Output; Figure 2–3. TPA0243 EVMs Connected for Stereo BTL Output

2-5 2.4 Stand-Alone Connection Diagrams The power supply range is 2.5 V to 5.5 V and isolated RO/MO+ and LO/MO–lines for BTL operation are required. Note that the source of any shutdown signal applied to the EVM SHUTDOWNpin must be able to sink the current flowing through the pullup resistor on them...

Page 16 - TPA0243 EVM Connected for Single-Ended Stereo Headphone Output

2-6 2.4.2 TPA0243 EVM Connected for Single-Ended Stereo Headphone Output Figure 2–4 shows a TPA0243 EVM connected for single-ended stereoheadphone operation. Figure 2–4. TPA0243 EVM Connected for Single-Ended Stereo Headphone Output GND LO/MO+ SHUTDOWN GND C3 VDD GND GND LIN VDD GND GND RIN TPA0243 ...

Page 17 - Reference; EVM Schematic; Figure 2–5 shows the TPA0243 EVM schematic.; Figure 2–5. TPA0243 EVM Schematic Diagram

2-7 2.5 Reference This section includes the TPA0243 EVM schematic, the EVM parts list, and themodule PCB layers. 2.5.1 EVM Schematic Figure 2–5 shows the TPA0243 EVM schematic. Figure 2–5. TPA0243 EVM Schematic Diagram C4 1 µ F R1 100 k Ω TPA0243 S1 R O /M O + NO SD FILT_CAP BYPASS LO/MO LIN VDD ST/...

Page 18 - EVM Parts List

2-8 2.5.2 EVM Parts List Table 2–2 is the TPA0243 EVM parts list. Table 2–2. TPA0243 EVM Parts List Ref. Description Size EVM Qty. Manufacturer/ Part Number Vendor Number C1, C4 Capacitor, 1 µ F @ 16 V, +80%/–20%, nonpolarized 1206 2 MurataGRM42-6Y5V105Z16BL ArrowGRM426Y5V105Z016 C2, C5,C6 Capacitor...

Page 19 - Module PCB Layers

2-9 2.5.3 Module PCB Layers The following illustrations depict the TPA0243 EVM PCB layers andsilkscreen. These drawings are not to scale. Gerber plots can be obtained fromany TI Sales Office. Figure 2–6. TPA0243 EVM PCB Figure 2–7. TPA0243 EVM Silkscreen