English dropdown-ico

Texas Instruments TPA311 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Texas Instruments TPA311, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Texas Instruments TPA311 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Texas Instruments TPA311. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Texas Instruments TPA311 should contain:
- informations concerning technical data of Texas Instruments TPA311
- name of the manufacturer and a year of construction of the Texas Instruments TPA311 item
- rules of operation, control and maintenance of the Texas Instruments TPA311 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Texas Instruments TPA311 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Texas Instruments TPA311, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Texas Instruments service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Texas Instruments TPA311.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Texas Instruments TPA311 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    2001 Mixed-Signal Products User ’ s Guide SLOU013A[...]

  • Page 2

    IMPORT ANT NOTICE T exas 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 product[...]

  • Page 3

    iii Chapter Title — Attribute Reference Preface Related Documentation From T exas Instruments TI Plug-N-Play Audio Amplifier Evaluation Platform (literature number SLOU01 1) provides detailed information on the evaluation platform and its use with TI audio evaluation modules. TP A31 1 350-mW Low-V oltage Audio Power Amplifier (literature number S[...]

  • Page 4

    iv[...]

  • Page 5

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

  • Page 6

    Running Title — Attribute Reference vi Figures 1 – 1 The TI TP A31 1 Audio Amplifier Evaluation Module 1-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 2 Quick Start Module Map[...]

  • Page 7

    1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI  ) TP A31 1 audio amplifier evaluation module (SLOP1 16). It includes a list of EVM features, a brief description of the module illustrated with a pictorial diagram, and a list of EVM specifications. T opic Page 1.1 Feature Highlights 1–2 . . . . . . [...]

  • Page 8

    Feature Highlights 1-2 Introduction 1.1 Feature Highlights The TI TP A31 1 audio amplifier evaluation module and the TI plug-n-play audio amplifier evaluation platform include the following features: TP A31 1 Low-V oltage Audio Power Amplifier Evaluation Module Single channel, bridge-tied load (BTL) or single-ended operation 3.3-V and 5-V operation[...]

  • Page 9

    Description 1-3 Introduction 1.2 Description The TP A31 1 audio power amplifier evaluation module is a complete, low-pow- er single-channel audio power amplifier . It consists of the TI TP A31 1 350-mW low-voltage audio power amplifier IC along with a small number of other parts mounted on a circuit board that is approximately one and a quarter inc[...]

  • Page 10

    1-4 Introduction[...]

  • Page 11

    2-1 Quick Start Quick Start The steps in this chapter can be followed to quickly prepare the TP A31 1 audio amplifier EVM for use. While using the TP A31 1 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, the aud[...]

  • Page 12

    Precautions 2-2 Quick Start 2.1 Precautions Power Supply Input Polarity and Maximum V oltage Always ensure that the polarity and voltage of the external power connected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in[...]

  • Page 13

    Quick Start List for Platform 2-3 Quick Start 2.2 Quick Start List for Platform Use the following steps when using the TP A31 1 EVM with the TI plug-n-play audio amplifier evaluation platform (see the platform user ’ s guide, SLOU01 1, for additional details). Numbered callouts for selected steps are shown in Figure 2 – 1 and details appear in [...]

  • Page 14

    Quick Start List for Stand-Alone 2-4 Quick Start 2.3 Quick Start List for Stand-Alone Use the following steps to use the TP A31 1 EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TP A31 1 module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top or [...]

  • Page 15

    3-1 Details Details This chapter provides details on the TP A31 1 IC, the evaluation module, and the steps in the Quick-Start List, additional application information, and a parts list for the TP A31 1 evaluation module. T opic Page 3.1 Precautions 3 – 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 16

    Precautions 3-2 Details 3.1 Precautions Power Supply Input Polarity and Maximum V oltage Always ensure that the polarity and voltage of the external power connected to V CC power input connector J1, J2, and/or V DD power input connector J6 are correct. Overvoltage or reverse-polarity power applied to these terminals can open onboard soldered-in fus[...]

  • Page 17

    The TP A31 1 Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TP A31 1 Audio Power Amplifier Evaluation Module The TP A31 1 audio power amplifier evaluation module is powered by a TP A31 1 350-mW low-power audio amplifier IC and includes on-board gain adjustment, a shutdown control signal input with on-board switch, and can be operated i[...]

  • Page 18

    The TP A31 1 Audio Power Amplifier Evaluation Module 3-4 Details 3.2.1 TP A31 1 Audio Amplifier IC The TP A31 1 audio amplifier IC is a CMOS device intended primarily for bridge- tied load (BTL) operation in battery-powered applications. It is supplied in a very small surface-mount package and has been designed to operate from low supply voltages ([...]

  • Page 19

    The TP A31 1 Audio Power Amplifier Evaluation Module 3-5 Details 3.2.3 SIngle-Ended Operation For single-ended operation, the module SE/BTL control input pin must be held high. The speaker (or headphone) load is connected to the module OUT+ output pin through a coupling capacitor , and to platform/system ground. A 470 - µ F electrolytic coupling c[...]

  • Page 20

    Using The TP A31 1 EVM With the Plug-N-Play Evaluation Platform 3-6 Details 3.3 Using The TP A31 1 EVM W ith the Plug-N-Play Evaluation Platform The TP A31 1 audio amplifier evaluation module was designed to be used with the TI plug-n-play audio amplifier evaluation platform. It simply plugs into socket U3 or U4. The following paragraphs provide ad[...]

  • Page 21

    Using The TP A31 1 EVM With the Plug-N-Play Evaluation Platform 3-7 Details 3.3.2 Signal Routing Signal flow on the platform is controlled by two signal routing switches, as shown in Figure 3 – 5. Figure 3 – 5. Platform Signal Routing and Outputs U1 Signal Conditioning On Off U5 Stereo Headphone Amplifier S2 R L R L L U5 U2 – U4 S3 J10 Headph[...]

  • Page 22

    Using The TP A31 1 EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.3 Mute/Mode The TP A31 1 EVM is equipped with a mute (shutdown) control input pin. When this input is tied to V DD , the TP A31 1 amplifier IC on the module shuts down and assumes an ultralow-power mode. When the EVM control input is tied to GND or allowed to float, amp[...]

  • Page 23

    Using The TP A31 1 EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.3.2 Mute/Mode Select (JP6) A 3-pin jumper header (JP6) on the platform, functioning as a SPDT switch, routes the control signal from the headphone jack to either the mute control input pin or the mode control input pin of the evaluation module. T o mute the TP A31 1 amp[...]

  • Page 24

    Power Requirements 3-10 Details 3.3.4 Power Requirements The TP A31 1 audio power amplifier evaluation module can operate from any voltage between approximately 2.5 V and 5.5 V , however , the TP A31 1 amplifier IC on the module is characterized for operation at 3.3 V and 5 V . For best performance (highest output power with lowest distortion), the[...]

  • Page 25

    Inputs and Outputs 3-1 1 Details 3.3.5 Inputs and Outputs The TI plug-n-play audio amplifier evaluation platform is equipped with several standard conectors for audio inputs and outputs. 3.3.5.1 Inputs In most cases, audio signals enter the platform through either a pair of RCA phono jacks (J3 and J5) or a miniature (1/8 ″ ) stereo phone jack (J4[...]

  • Page 26

    Using The TP A31 1 EVM Stand-Alone 3-12 Details 3.4 Using The TP A31 1 EVM Stand-Alone Using the TP A31 1 audio power amplifier evaluation module stand-alone is much the same as using it with the platform. The same 2.5-V to 5.5-V power supply range and the isolated OUT+ and OUT – lines for BTL operation re- quirement exists. Note that the mute si[...]

  • Page 27

    Using The TP A31 1 EVM Stand-Alone 3-13 Details 3.4.2 TP A31 1 EVM Connected for Single-Ended Output Figure 3 – 9. TP A31 1 EVM Connected for Stereo Single-Ended Output 5 VDC Audio Input (Right) 5 VDC Audio Input (Left) External Mute Control (active high) GND 33 µ F – 1000 µ F + + 33 µ F – 1000 µ F C4 R3 IN+ C2 Shutdown R1 R2 C1 C5 C3 OUT[...]

  • Page 28

    TP A31 1 Audio Power Amplifier Evaluation Module Parts List 3-14 Details 3.5 TP A31 1 Audio Power Amplifier Evaluation Module Parts List T able 3 – 1. TP A31 1 EVM Parts List Ref. Description Size EVM Qty . Manufacturer/ Part Number V endor Number R4 T rim Pot, 200 k Ω Cermet ST SL, (through hole) 1 Bourns 3323P-1-204 Digi-Key 3323P-204-ND C5 C[...]