English dropdown-ico

Texas Instruments SLOU025 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

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 SLOU025, 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 SLOU025 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 SLOU025. 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 SLOU025 should contain:
- informations concerning technical data of Texas Instruments SLOU025
- name of the manufacturer and a year of construction of the Texas Instruments SLOU025 item
- rules of operation, control and maintenance of the Texas Instruments SLOU025 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 SLOU025 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 SLOU025, 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 SLOU025.

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 SLOU025 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

    1998 Mixed-Signal Products User ’ s Guide SLOU025[...]

  • 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 A122 150-mW STEREO AUDIO POWER AMPLIFIER (literature number SLOS21 1) [...]

  • 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 A122 MSOP Audio Amplifier Evaluation Module 1-4 . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1 Quick Start Platform Map 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2 Quick Start Module Map 2-4 . . . . . .[...]

  • Page 7

    1-1 Introduction Introduction This chapter provides an overview of the T exas Instruments (TI  ) TP A122 MSOP Audio Amplifier Evaluation Module (SLOP125). 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 Features 1–2 . . . . . . . . . .[...]

  • Page 8

    Features 1-2 Introduction 1.1 Features The TI TP A122 MSOP Audio Amplifier Evaluation Module and the TI Plug-N-Play Audio Amplifier Evaluation Platform include the following features: TP A122 MSOP Stereo Audio Power Amplifier Evaluation Module Dual channel, single-ended operation 150-mW output power into 8 Ω at 5 V 2.5-V to 5.5-V operation V ery [...]

  • Page 9

    Description 1-3 Introduction 1.2 Description The TP A122 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 TP A122 150-mW Stereo Audio Power Amplifier IC in a very small MSOP package, along with a sm[...]

  • 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 A122 MSOP audio amplifier EVM for use. Using the TP A122 MSOP EVM 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. H[...]

  • 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 Follow these steps when using the TP A122 MSOP 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 Chap[...]

  • Page 14

    Quick Start List for Stand-Alone 2-4 Quick Start 2.3 Quick Start List for Stand-Alone Follow these steps to use the TP A122 MSOP EVM stand-alone or when connecting it into existing circuits or equipment. Connections to the TP A122 MSOP module header pins can be made via individual sockets, wire-wrapping, or soldering to the pins, either on the top [...]

  • Page 15

    3-1 Details Details This chapter provides details on the TP A122 IC, the evaluation module, the steps in the Quick-Start List, additional application information, and a parts list for the TP A122 MSOP 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 A122 MSOP Audio Power Amplifier Evaluation Module 3-3 Details 3.2 The TP A122 MSOP Audio Power Amplifier Evaluation Module The TP A122 MSOP Audio Power Amplifier Evaluation Module is powered by a TP A122 150-mW Stereo Audio Amplifier IC. It includes a shutdown control signal input with onboard switch and can drive either line-level outputs, [...]

  • Page 18

    The TP A122 MSOP Audio Power Amplifier Evaluation Module 3-4 Details 3.2.1 TP A122 Audio Amplifier IC The TP A122 audio amplifier IC is a CMOS device intended primarily for high-performance line-level output, headphone driver , and small speaker applications. It is supplied in a very small surface-mount MSOP package and has been designed to operate[...]

  • Page 19

    The TP A122 MSOP Audio Power Amplifier Evaluation Module 3-5 Details 3.2.2 Module Gain The TP A122 MSOP evaluation module has a set gain of 4 (inverting) for each channel. However , the gain can be adjusted to a maximum of approximately 10 (inverting) by changing the value of feedback resistors (R2 and R4, Figure 3–3). Use the following equation [...]

  • Page 20

    Using The TP A122 MSOP EVM With the Plug-N-Play Evaluation Platform 3-6 Details 3.3 Using The TP A122 MSOP EVM With the Plug-N-Play Evaluation Platform The TP A122 MSOP Audio Amplifier Evaluation Module is designed for use with the TI Plug-N-Play Audio Amplifier Evaluation Platform. It simply plugs into socket U5. The following paragraphs provide a[...]

  • Page 21

    Using The TP A122 MSOP 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 TP A122 MSOP Headphone Amplifier EVM S2 R L R L L U5 U2 – U4 S[...]

  • Page 22

    Using The TP A122 MSOP EVM With the Plug-N-Play Evaluation Platform 3-8 Details 3.3.3 Shutdown The TP A122 MSOP EVM is equipped with a shutdown control input pin. When this input is tied to V DD , the TP A122 amplifier IC on the module ceases operation and enters an ultra-low-power state. When the EVM shutdown control input is tied to GND or allowe[...]

  • Page 23

    Using The TP A122 MSOP EVM With the Plug-N-Play Evaluation Platform 3-9 Details 3.3.4 Power Requirements The TP A122 MSOP Audio Power Amplifier Evaluation Module can operate from a V DD voltage between approximately 2.5 V and 5.5 V . The TI Plug-N-Play Audio Amplifier Evaluation Platform with a voltage regulator EVM installed on it can provide a re[...]

  • Page 24

    Using The TP A122 MSOP EVM With the Plug-N-Play Evaluation Platform 3-10 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)[...]

  • Page 25

    Using The TP A122 MSOP EVM Stand-Alone 3-1 1 Details 3.4 Using The TP A122 MSOP EVM Stand-Alone Using the TP A122 MSOP 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 requirement exists. Note that the shutdown signal applied to the EVM SD pin must be able to su[...]

  • Page 26

    TP A122 MSOP Audio Power Amplifier Evaluation Module Parts List 3-12 Details 3.5 TP A122 MSOP Audio Power Amplifier Evaluation Module Parts List T able 3–1. TP A122 MSOP EVM Parts List Ref. Description Size EVM Qty . Manufacturer/ Part Number V endor/Number C1, C2, C3, C4 Capacitor , 1 µ F, 80%/–20%, nonpolarized, SMD 0603 4 Murata GRM39-Y5V10[...]