Texas Instruments SLOP343 Скачать руководство пользователя страница 1 | Manualshive

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November 2000

Mixed-Signal Products

User’s Guide

SLOU086

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Содержание SLOP343

Страница 1: ...November 2000 Mixed Signal Products User s Guide SLOU086 ...

Страница 2: ... 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 TI 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 ...

Страница 3: ...tatement 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 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 ev...

Страница 4: ...ith 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 case the user at his own expense will be required to take whatever measures may be required to correct this interference ...

Страница 5: ...lifier Evaluation Module Parts List 2 6 2 4 4 TPA741 MSOP EVM PCB Layers 2 7 Figures 1 1 The TI TPA741 Audio Amplifier Evaluation Module 1 3 2 1 Quick Start Platform Map 2 2 2 2 Quick Start Module Map 2 4 2 3 TPA741 MSOP EVM Connected for Stereo BTL Output 2 5 2 4 TPA741 MSOP EVM Schematic Diagram 2 6 2 5 TPA741 EVM PCB 2 7 2 6 TPA741 EVM Silkscreen 2 7 2 7 TPA741 EVM Top Layer 2 8 2 8 TPA741 EVM ...

Страница 6: ...Running Title Attribute Reference vi ...

Страница 7: ...TPA741 MSOP audio amplifier evaluation module SLOP343 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 1 3 1 3 TPA741 EVM Specifications 1 3 Chapter 1 ...

Страница 8: ...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 route signals Platform provides quick and easy audio input and output connections Platform Power Options Onboard 9 V battery External 5 V 15 V VC...

Страница 9: ...e 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 which has room for a pair of TPA741 MSOP evaluation modules is a convenient vehicle for demonstrating TI s audio power amplifier and related evaluation modules The EVMs simply plug into the platform which automatically provi...

Страница 10: ...1 4 Introduction ...

Страница 11: ...o existing circuits or equipment The platform switch and jumper settings shown in Table 2 1 are typical for the TPA741 MSOP EVM They cause the TPA741 amplifier IC on the EVM to shut down when a plug is inserted into platform headphone jack J10 Table 2 1 Typical TI Plug N Play Platform Jumper and Switch Settings for the TPA741 MSOP EVM EVM JP6 JP7 JP8 S2 S3 TPA741 Mute X Hi See Note 2 X Notes 1 X D...

Страница 12: ... or both may result Figure 2 1 Quick Start Platform Map Signal Conditioning CAUTION Do not insert or remove EVM boards with power applied ICC JP4 F1 VR1 R1 JP3 JP2 JP1 AC DC J2 VCC J1 D1 D2 D3 D4 J2 J3 J4 J5 AC DC In VCC In J1 DC SOURCE LED1 VCC LED2 VDD R2 JP5 IDD B1 U6 POWER SUPPLY U3 U4 U5 U1 U2 Audio Power Amps On Off Conditioning S2 J7 J8 Right Out Left Out JP6 Mode Mute Spk U2 U4 JP8 J9 Left...

Страница 13: ...2 X 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 Power supply 6 Select and connect the power supply a Connect an external regulated power supply set to a voltage between 2 5 V and 5 5 V to platform VDD power input connector J6 taking care to observe marked polarity or b Install a voltage regulator...

Страница 14: ... C5 S1 R1 R2 C2 C1 R3 R4 C3 Due to the very small size of the MSOP IC package the standard part number TPA741 is replaced with the code TIAJD Power supply 1 Ensure that all external power sources are set to off 2 Connect an external regulated power supply set to 5 V to the module VDD and GND pins taking care to observe marked polarity Inputs and outputs 3 Ensure that the signal source level is set...

Страница 15: ...igh Right 5 VDC Audio Input Right 5 VDC GND Left OUT IN IN VDD GND U1 Shutdown R5 OUT GND C4 TEXAS INSTRUMENTS SLOP343 TPA741 MSOP EVM C6 C5 S1 R1 R2 C2 C1 R3 R4 C3 OUT IN IN VDD GND U1 Shutdown R5 OUT GND C4 TEXAS INSTRUMENTS SLOP343 TPA741 MSOP EVM C6 C5 S1 R1 R2 C2 C1 R3 R4 C3 Due to the very small size of the MSOP IC package the standard part number TPA741 is replaced with the code TIAJD ...

Страница 16: ... Manufacturer Part Number Digi Key Number C4 Capacitor 10 µF 6 3 V A 1 Panasonic ECS TOJY106R Digi Key PCS1106CT ND C1 C2 C3 C5 Capacitor 1 µF 80 20 nonpolarized 0603 4 Murata GRM39 Y5V105Z10PT C6 Capacitor pad only 0603 0 R1 R3 R4 Resistor 20 kΩ 1 16 W 5 0603 4 Panasonic ERJ 3GSYJ203 R5 R2 Resistor 39 kΩ 1 16 W 5 0603 1 Panasonic ERJ 3GSYJ393 S1 Switch momentary 1 Panasonic P8048SCT ND Digi Key P...

Страница 17: ... TPA741 MSOP EVM PCB Layers The following illustrations depict the TPA741 EVM PCB layers and silkscreen These drawings are not to scale Gerber plots can be obtained from ant TI sales office Figure 2 5 TPA741 EVM PCB Figure 2 6 TPA741 EVM Silkscreen ...

Страница 18: ...TPA741 MSOP EVM PCB Layers 2 8 Operation Figure 2 7 TPA741 EVM Top Layer Figure 2 8 TPA741 EVM Bottom Layer ...

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