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User’s Guide
2000 Mixed-Signal Products
SLOU085
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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. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infri
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Information About Cautions and Warnings Preface Read This First Information About Cautions and Warnings This book may contain cautions and warnings. This is an example of a caution statement. A caution statement describes a situation that could potentially damage your software or equipment. This is an example of a warning statement. A warning statement describes a situation that could potentially cause harm to you. The information in a caution or a warning is provided for your protection. Pleas
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Running Title—Attribute Reference FCC Warning This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments may cause interference with radio communications, in which
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Running Title—Attribute Reference Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1.
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vi
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Chapter 1 Introduction This chapter provides an overview of the Texas Instruments (TI) TPA6110A2 MSOP audio amplifier evaluation module (SLOP338). 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 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Features 1.1 Features The TI TPA6110A2 MSOP audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TPA6110A2 MSOP Stereo Audio Power Amplifier Evaluation Module Dual channel, single-ended operation 150-mW output power into 8 W at 5 V 2.5-V to 5.5-V operation Very low distortion: THD+N is less than 0.01% at 1 kHz and less than 0.03% from 20 Hz to 20 kHz into 10-kW loads Less than 0.02% at 1 kHz and less than 0.4%
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Description 1.2 Description The TPA6110A2 MSOP audio power amplifier evaluation module is a complete, low-power stereo audio power amplifier for high-fidelity line-level output, headphone, and small speaker applications. It consists of the TI TPA6110A2 150-mW stereo audio power amplifier IC in a very small MSOP package, along with a small number of other parts mounted on a circuit board that is approximately one and a quarter inches square (Figure 1–1). Figure 1–1. The TI TPA6110A2 Audio Amplifi
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1-4 Introduction
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Chapter 2 Operation Follow the steps in this chapter to quickly prepare the TPA6110A2 MSOP audio amplifier EVM for use. The TPA6110A2 MSOP EVM and the TI plug-n-play audio amplifier evaluation platform provide a quick and easy way to connect power, signal and control inputs, and signal outputs to the EVM using standard connectors. However, the audio amplifier evaluation module can be used stand-alone by making connections directly to the module pins and can be wired directly into existing circ
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+ J6 VDD VR2 J10 In/Out +– Right +– Left F2 J8 Left Right J9 J7 Out Out Out Out Spk(U2-U4) C3 C2 JP8 U6 JP6 LED2 + + POWER VDD JP7 U2 HP(U5) SUPPLY S3 U2-U4 HP Source U5 U3 U4 JP5 U5 IDD B1 Off On On S1 TP1 S2 Conditioning GND Off Pwr U1 LED1 VCC JP3 Batt D1 JP2 AC/DC D2 (J2) JP1 VCC(J1) D3 TEXAS DC J3 J5 J4 INSTRUMENTS SOURCE Right Stereo Left 1997 J1 In In In D4 J2 VCC In AC/DC + In Precautions 2.1 Precautions Power Supply Input Polarity and Maximum Voltage Always ensure that the polarity and
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Quick Start List for Platform 2.2 Quick Start List for Platform Follow these steps when using the TPA6110A2 MSOP 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. Platform preparations 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 TPA6110A2 MSOP module in platform socket U5, tak
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Quick Start List for Stand-Alone 2.3 Quick Start List for Stand-Alone Follow these steps to use the TPA6110A2 MSOP EVM stand-alone or when connecting it to existing circuits or equipment. Connections to the TPA6110A2 MSOP 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. Numbered callouts for selected steps are shown in Figure 2–2 and details appear in Chapter 3. Figure 2–2. Quick Start Mod
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References 2.4 References 2.4.1 TPA6110A2 MSOP EVM Connected as a Stereo Headphone Amplifier Figure 2–3. TPA6110A2 MSOP EVM Connected as a Stereo Headphone Amplifier 5 VDC VDD GND Shutdown Shutdown NO S1 C5 Audio Input IN1 C3 R2 R1 (Right) GND R5 Vo1 C1 GND + U1 33 m F – 1000 m F C4 C2 R3 R4 TEXAS 33 m F – 1000 m F INSTRUMENTS GND + Audio Input IN2 Vo2 SLOP338 (Left) GND TPA6110A2 MSOP EVM † Due to the very small size of the MSOP IC package, the standard part number TPA6110A2 is replaced with th
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TPA6110A2 MSOP Audio Power Amplifier Evaluation Module Parts List 2.4.3 TPA6110A2 MSOP Audio Power Amplifier Evaluation Module Parts List Table 2–3.TPA6110A2 MSOP EVM Parts List Manufacturer/ Ref. Description Size Qty. Vendor/Number Part Number R2, R3 Resistor, 20 kW , 1/16 0603 3 Panasonic Digi-Key W, 5%, SMD ERJ-3GSYJ203 P20PGCT–ND R1, R4, R5 Resistor, 82 kW , 1/16 0603 2 Panasonic Digi-Key W, 5%, SMD ERJ-3GSYJ823 P82KGCT–ND C1–C4 Capacitor, 1 m F, 0603 4 Murata Newark +20/–80%, GRM39-Y5V105Z1
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TPA6110A2 EVM PCB Layers Figure 2–6. TPA6110A2 EVM Silkscreen Figure 2–7. TPA6110A2 EVM PCB Top Layer Figure 2–8. TPA6110A2 EVM PCB Bottom Layer Operation 2-7
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2-8 Operation
