Texas Instruments TPA6102A2 User's Manual
Contents
1. 35 TEXAS INSTRUMENTS TPA6102A2 Audio Power Amplifier Evaluation Module User s Guide 2001 Mixed Signal Products SLOU105A IMPORTANT NOTICE Texas Instruments and its subsidiaries Tl 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 infringement and limitation of liability Tl warrants performance of its products to the specifications applicable at the time of sale in accordance with TI s standard warranty Testing and other quality control techniques are utilized to the extent Tl deems necessary to support this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements Customers are responsible for their applications using Tl components In order to minimize risks associated with the customer s applications adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards Tl assumes no liability for applications assistance or customer product design TI does not warrant or represent that any license either express or impli2. 4 Setcontrol signal polarity jumper JP7 to Lo 5 SetHp source switch S3 to U5 to route the output signal to the headphone jack J10 UY Power supply 6 Select and connect the power supply 7 Connectan external regulated power supply set to a voltage between 1 6 V and 3 6 V to platform Vpp power input connector J6 taking care to ob serve marked polarity or 8 Install a 3 V to 5 V voltage regulator EVM SLVP097 or equiv in platform socket U6 Install a 9 V battery in B1 or connect a 7 V to 12 V power source to a platform Vcc power input J1 or J2 and jumper the appropriate power input see platform user s guide Set jumper JP1 on the SLVP097 to 3 3 V operation Inputs and outputs 9 Ensure that signal source level is set to minimum and that potentiometers R1 and R4 are set to the midpoint 10 Connect the audio source to left and right RCA phono jacks J3 and J5 or stereo miniature phone jack J4 11 Connect 16 Q to 32 Q headphones to headphone jack J10 Power up 12 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 Vpp set platform power switch S1 to ON Platform LED2 should light indicating the presence of Vpp and the evaluation modules installed on the platform should begin operation Quick Start 2 3 Quick Start List for Stand Alone 2 3 Quick Start List for Stand Alone Follow these steps to use the TPA6102A2 EVM
3. This chapter provides an overview of the Texas Instruments Tl TPA6102A2 audio amplifier evaluation module SLOP337 It includes a list of EVM features a brief illustrated description of the module and a list of EVM specifications Topic Page Ti Features A ices tee O oO esee s 1 2 UD Description a aaa 1 3 1 3 TPA6102A2 EVM Specifications 1 3 Features 1 1 Features The TI TPA6102A2 audio amplifier evaluation module and the TI plug n play audio amplifier evaluation platform include the following features Y TPA6102A2 Stereo Audio Power Amplifier Evaluation Module EH 1 6 V to 3 6 V operation Fixed gain of 2 dB inverting Dual channel single ended operation 50 mW output power into 16 Q at 3 3 V Very low distortion THD N is less than 0 08 at 1 kHz and less than 0 2 from 20 Hz to 20 kHz into 16 Q loads and less than 0 06 at 1 kHz and less than 0 2 from 20 Hz to 20 kHz into 32 Q loads B Extremely low current consumption in shutdown mode EH Internal thermal and short circuit protection B Internal pop reduction circuitry J Quick and Easy Configuration With the TI Plug N Play Audio Amplifier Evaluation Platform B Evaluation module is designed to simply plug into the platform automatically making all signal control and power connections Platform provides flexible power options Jumpers on the platform select power and module control options Switches on the platform r
4. Verify correct voltage and input polarity and set the external power supply to ON The EVM should begin operation Quick Start 2 4 Reference 2 4 1 TPA6102A2 EVM Schematic TPA6102A2 EVM Schematic The TPA6102A2 EVM schematic is shown in Figure 2 3 Figure 2 3 TPA6102A2 EVM Schematic Diagram C1 0 1 uF RN BYPASS C3 1uF Vol ROUT TPA6102A2 SHUTDOWN Vpp e e VDD ae C4 C5 Ge F 0 tuF T 10 nF 0 1 uF L ak LIN LOUT R1 100 ka 81 a e o o SHUTDOWN Quick Start 2 5 TPA6102A2 Audio Power Amplifier Evaluation Module Parts List 2 4 2 TPA6102A2 Audio Power Amplifier Evaluation Module Parts List Table 2 2 TPA6102A2 EVM Parts List Ref C1 C2 C4 C3 C5 Ri S1 SHUT DOWN U1 PnP Pins Description Capacitor 0 1 uF 10 Nonpolarized SMD Capacitor 1 uF 10 Nonpolarized SMD Capacitor 10 uF 6 3 V SMD Resistor 100 KQ 1 16 W 5 SMD Switch momentary SMD IC TPA6102A2DGK APA 50 mW 2 channel Terminal post headers Size 0603 0603 A 0603 MSOP 2 4 3 TPA6102A2 EVM PCB Layers The following illustrations depict the TPA6102A2 PCB layers These drawings are not to scale Gerber plots can be obtained from any TI sales office Figure 2 4 TPA6102A2 EVM Top Layer 2 6 eSHUTDOWN e e Qty 1 8 1 11 Manufacturer Part Number Murata GRM39X7R104K16 Murata GRM39Y5V105Z010 Panasoni
5. al 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 it can be wired directly into existing circuits or equipment The platform switch and jumper settings shown in Table 2 1 are typical for the TPA6102A2 EVM and will cause the TPA6102A2 IC to shutdown mute when a plug is removed from platform headphone jack J10 Table 2 1 Typical TI Plug N Play Platform Jumper and Switch Settings for the TPA6102A2 EVM EVM JP6 JP7 JP8 S2 S3 TPA6102A2 X Lo X See Note 2 U5 Notes 1 X Don t care 2 Set S2 to ON when signal conditioning board is installed in U1 set S2 to OFF when no signal conditioning board is installed Topic Page Ql ARE AU OS AA AAA emersit Ee WI IA AA 2 2 2 2 Quick Start List for Platform 00 00 ccc cece lr c neat n 2 3 2 3 Quick Start List for Stand Alone 2 4 2 4 Reference aia laca rocio exe vote eva talado cree tede De ETE RE 2 5 2 1 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 Vpp 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 evaluat
6. allow the EVM to be plugged into the TI plug n play audio amplifier evaluation platform or to be wired directly into existing circuits and equipment when used stand alone The platform has room for a single TPA6102A2 evaluation module and is a convenient vehicle for demonstrating Tl s audio power amplifier and related evaluation modules The EVMs simply plug into the platform which automatically provides power to the modules interconnects them correctly and connects them to a versatile array of standard audio input and output jacks and connectors Easy to use configuration controls allow the platform and EVMs to quickly model many possible end equipment configurations There is nothing to build nothing to solder and nothing but the speakers included with the platform to hook up 1 3 TPA6102A2 EVM Specifications Supply voltage range VDD eee cece eect eee III 1 6Vto3 6V Supply Current DD sies pede Lives Lonel adri de 160 mA max Continuous output power Po 162 Vpp 3 3 V 50 mW Audio input voltage Vj Vpp 0 3 Vpp max Minimum load impedance RL 2 serasa 162 Introduction 1 3 Introduction Chapter 2 Quick Start The steps in this chapter can be followed to prepare the TPA6102A2 audio amplifier EVM for use Using the TPA6102A2 EVM with the TI plug n play audio amplifier evaluation platform is a quick and easy way to connect power sign
7. c ECS TOJY106R Panasonic ERJ 3GSYJ104 Panasonic EVQ PJS04K TI TPA6102A2DGK Sullins VDD GND E mcs ORIN si ae cnD uu C3 mm Zun ROUTO C2 ww J GNDO O LIN Texas GNDO es LOUTO OND rpxbiozad tw Figure 2 5 TPA6102A2 EVM Bottom Layer Vendor Number Arrow GRM39X7R104K16 Arrow GRM39Y5V105Z010 Digi Key PCS1106CT ND Digi Key P100KGTR ND Digi Key P8048SCT ND Digi Key S1022 36 ND Quick Start
8. ch case the user at his own expense will be required to take whatever measures may be required to correct this interference Contents INTrOQUCTION SE AA 1 1 1 1 Features una aio 1 2 1 2 Description A 1 3 1 3 TPA6102A2 EVM Specifications 1 3 QUICKSIaR sas A A DS A ee es 2 1 2 1 Precautioris s Ia a Eca ang o aA dca RON La e T Wa 2 2 2 2 Quick Start List for Platform earras aa e E errar 2 3 2 3 Quick Start List for Stand Alone 2 4 A x O ERARIO REN ata 2 5 2 4 1 TPA6102A2 Filterless Class D EVM Schematic 2 5 2 4 2 TPA6102A2 Audio Power Amplifier Evaluation Module Parts List 2 6 2 4 3 TPA6102A2 EVM PCB Layers 2 6 Figures The TI TPA6102A2 Audio Amplifier Evaluation Module 1 3 Quick Start Platform Map ssssssssssssessse nn 2 2 Quick Start Module Map eannsannnnnn 2 4 TPA6102A2 Class D EVM Schematic Diagram 2 5 TPA6102A2 EVM Top Layer 000 rn 2 6 TPA6102A2 EVM Bottom Layer 0 cect nett nee tenes 2 6 Tables 2 1 2 2 vi Typical TI Plug N Play Platform Jumper and Switch Settings for the TPAGT02A2 EMVM xf cuente t uei spp na a e D Lr 2 1 TPA6102A2 EVM Parts List 0 oe D se CEN asse sie 2 6 Chapter 1 Introduction
9. ed is granted under any patent right copyright mask work right or other intellectual property right of TI covering or relating to any combination machine or process in which such products or services might be or are used TI s publication of information regarding any third party s products or services does not constitute TI s approval license warranty or endorsement thereof Reproduction of information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Representation or reproduction of this information with alteration voids all warranties provided for an associated TI product or service is an unfair and deceptive business practice and TI is not responsible nor liable for any such use Resale of TI s products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service is an unfair and deceptive business practice and TI is not responsible nor liable for any such use Also see Standard Terms and Conditions of Sale for Semiconductor Products www ti com sc docs stdterms htm Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright O 2001 Texas Instruments Incorporated Preface Read This First How to Use This Manual This document contains t
10. he following chapters Chapter 1 Introduction Chapter 2 Quick Start 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 Please read each caution and warning carefully Running Title Attribute Reference Related Documentation From Texas Instruments FCC Warning W T Plug N Play Audio Amplifier Evaluation Platform literature number SLOUO11 provides detailed information on the evaluation platform and its use with Tl audio evaluation modules B TPA6102A2 50 mW Stereo Audio Power Amplifier literature number SLOS324 This is the data sheet for the TPA6102A2 audio amplifier integrated circuit 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 pursuantto 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 whi
11. ion modules and or the power source Inserting or Removing EVM Boards Do not insert or remove EVM boards with power applied Damage to the EVM board the platform or both may result Figure 2 1 Quick Start Platform Map DC Power In Out Power Input ml Sm oz oS es c 5 00 Q wale O og imo Bl pugio m lo o l Speaker npu utput o Olo O S 3 Q O amp 10 s 9 2 a c 3 C AUTION a Pola Do not insert or remove cH Lo EVM boards with power cep ui applied pe ERN E 4 ES L Headphone o Output Plug N Play Audio Amplifier Evaluation Platform 9 SLOP097 Rev C 1 SLNAWNYLSNI 2 2 Quick Start Quick Start List for Platform 2 2 Quick Start List for Platform Follow these steps when using the TPA6102A2 EVM with the Tl plug n play audio amplifier evaluation platform see the platform user s guide literature number SLOUO 11 for additional details Numbered callouts for selected steps are shown in Figure 2 1 Platform preparations 1 Ensurethatall external power sources are setto OFFand thatthe platform power switch S1 is set to OFF 2 Install a TPA6102A2 module in platform socket U5 taking care to align the module pins correctly 3 Use switch S2 to select or bypass the signal conditioning EVM U1
12. oute signals Platform provides quick and easy audio input and output connections O Platform Power Options Onboard 9 V battery External 5 V 15 V Vcc supply inputs External regulated Vpp supply input Socket for onboard 5 V Vpp voltage regulator EVM Onboard overvoltage and reverse polarity power protection Platform Audio Input and Output Connections B Left and right RCA phono jack inputs Miniature stereo phone jack input Left and right RCA phono jack outputs Left and right compression speaker terminal outputs Miniature stereo headphone jack output 1 2 Introduction Description 1 2 Description The TPA6102A2 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 TPA6102A2 50 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 see Figure 1 1 Figure 1 1 The TI TPA6102A2 Audio Amplifier Evaluation Module eSHUTDOWN e 0 pec o m Mann ac5 so LA id ii ROUTO Cow Te GNDO Texas CNDO LIN Instruments ae SLOP337 CAM TPA6102A2 EVM T Due to the very small size of the MSOP IC package the standard part number TPA6102A2 is replaced with the code TIAJN Single in line header pins are mounted to the underside of the module circuit board to
13. stand alone or when connect ing it into existing circuits or equipment Connections to the TPA6102A2 mod ule header pins can be made via individual sockets wire wrapping or solder ing 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 Figure 2 2 Quick Start Module Map 2 4 3 eSHUTDOWN e 00g ND om mssammCOC5 O ORNE s 2 Sc CU C3 mu l a ROUTO 6 C2 mm Ui e GNDO Texas CNDO O eLN Instruments oyT amp GND_ SLOP337 e Orr TPAGIO2AD EVM 9 T Due to the very small size of the MSOP IC package the standard part number TPA6102A2 is replaced with the code TIAJN d 1 2 Power supply Ensure that all external power sources are set to OFF Connect an external regulated power supply set between 1 6 V and 3 3 V to the module VDD and GND pins taking care to observe marked polarity Inputs and outputs Ensure that signal source level is set to minimum Connect the audio source to the module IN1 IN2 and GND pins taking care to observe marked polarity Connect the shutdown pin to Vpp through a normally open switch Connect 32 Q headphones to the module Vo1 and Vo2 pins through 33 uF to 1000 uF output coupling capacitors see Figure 3 8 and return to the GND pin or For line output connections to the Vol and Vo2 pins must be made through 33 uF to 1000 uF output coupling capacitors and returned to GND Power up
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