User’s Guide November 2000 Mixed-Signal Products SLOU096
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.
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. TPA6010A4 STEREO 2-W AUDIO POWER AMPLIFIER WITH BASS BOOST AND DC VOLUME CONTROL (literature number SLOS268) This is the data sheet for the TPA6010A4 audio amplifier integrated circuit.
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Running Title—Attribute Reference 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Feature Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.
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Chapter 1 This chapter provides an overview of the Texas Instruments TPA6010A4 audio amplifier evaluation module (SLOP334). It includes a list of EVM features, a brief description of the module illustrated with a pictorial diagram, and a list of EVM specifications. Topic Page 1.1 Feature Highlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Feature Highlights 1.
Description 1.2 Description The TPA6010A4 audio power amplifier evaluation module is a complete, 2-watt per channel stereo audio power amplifier with bass boost and dc volume control. It consists of the TI TPA6010A4 stereo 2-W audio power amplifier IC along with a small number of other parts mounted on a circuit board that measures approximately 2 1/4 inches by 1 1/2 inches (Figure 1–1). Figure 1–1.
1-4 Introduction
Chapter 2 The quick start lists in this chapter contain steps that can be followed to quickly prepare the TPA6010A4 audio amplifier EVM for use either with the TI plug-n-play audio amplifier evaluation platform or for stand-alone operation. Using the EVM with the TI evaluation platform is a quick and easy way to connect power, signal and control inputs, and signal outputs to the EVM.
Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and voltage of the external power connected to VCC power input connector J1, J2, and/or VDD 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.
Quick Start List for Platform 2.2 Quick Start List for Platform Follow these steps when using the TPA6010A4 EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user’s guide, SLOU011, for additional details). Numbered callouts for selected steps are shown in Figure 2–1 and Figure 2–2. Platform preparations 1) Ensure that all external power sources are set to OFF and that the platform power switch S1 is set to OFF.
Quick Start List for Platform Evaluation module preparations Figure 2–2.
Quick Start List for Platform Power Up 17) Ensure that EVM potentiometers VOLUME, BUFFGAIN, and BB ATT are set to their approximate mid points. 18) Verify correct voltage and input polarity and set the external power supply to ON. If VCC and an onboard regulator EVM are used to provide VDD, set platform power switch S1 to ON. Platform LED2 should light indicating the presence of VDD, and the evaluation modules installed on the platform should begin operation. 19) Adjust the signal source level as needed.
Quick Start List for Stand-Alone 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA6010A4 EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TPA6010A4 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. Numbered callouts for selected steps are shown in Figure 2–3. Figure 2–3.
Quick Start List for Stand-Alone Evaluation module preparations 7) To allow the module SE/BTL control input to switch the amplifier IC between single ended (SE) and bridge-tied load (BTL) output modes, set output mode jumper SE/BTL to OFF. To keep the module amplifier IC in the single-ended output mode regardless of the control input state, set jumper SE/BTL to ON.
Stand-Alone Connection Diagrams 2.4 Stand-Alone Connection Diagrams The power supply range is 4.5 V to 5.5 V and isolated OUT+ and OUT– lines for BTL operation are required. Note that the shutdown signal applied to the EVM SHUTDOWN pin must be able to supply enough current to overcome the pullup resistor on the module (100 kΩ). 2.4.1 TPA6010A4 EVM Connected for Stereo BTL Output Figure 2–4 shows the TPA6010A4 EVM connected for stereo BTL operation. Figure 2–4.
Stand-Alone Connection Diagrams 2.4.2 TPA6010A4 EVM Connected for Stereo Single-Ended Output Figure 2–5.
Reference 2.5 Reference This section includes the TPA6010A4 EVM schematic, the EVM parts list, and the module PCB layers. 2.5.1 EVM Schematic Figure 2–6 shows the TPA6010A4 EVM schematic. Figure 2–6. TPA6010A4 EVM Schematic Diagram VDD C8 0.1 µF VDD C10 10 µF 1 GND J1 2 BBENABLE 3 VDD LOUT+ GND LOUT– TPA6010A4 LOUT+ CLK BBENABLE LDOCK 28 27 1 µF 5 C3 0.47 µF 6 LHP C1 0.47 µF C5 0.47 µF 7 LLINE 8 PCBEEP TP1 C6 RLINE RHP RIN VDD 0.
Reference 2.5.2 EVM Parts List Table 2–9 is the TPA6010A4 EVM parts list. Table 2–7. TPA6010A4 EVM Parts List Ref. Description Size EVM Qty. Manufacturer/ Part Number C8, C9 Capacitor, ceramic chip, 0.1 µF @ 16 V, +10%, X7R 0603 2 Murata GRM39X7R104K16 C1 – C6 Capacitor, 0.47 µF @ 16 V +80%/–20%, nonpolarized 0603 6 Panasonic ECJ–1VF1C474Z C12 Capacitor, 22 nF @ 16 V +80%/–20%, nonpolarized 0603 1 Panasonic ECJ–1VB1C223K C13 – C16 Capacitor, 0.
Reference 2.5.3 Module PCB Layers The following illustrations depict the TPA6010A4 EVM PCB layers and silkscreen. These drawings are not to scale. Gerber plots can be obtained from any TI Sales Office. Figure 2–7. TPA6010A4 EVM PCB Figure 2–8. TPA6010A4 EVM Layer 2 — Power Note: 2-12 All open areas are solid copper planes.
Reference Figure 2–9. TPA6010A4 EVM Layer 3 — Ground Note: All open areas are solid copper planes. Figure 2–10.
2-14 Operation
