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Feature Highlights

1-2

Introduction

1.1

Feature Highlights

The TI TPA751 MSOP Audio Power Amplifier Evaluation Module and the TI
Plug-n-Play Audio Amplifier Evaluation Platform include the following
features:

TPA751 low-voltage audio power amplifier evaluation module

Single-channel, bridge-tied load (BTL)

2.5-V and 5.5-V operation

700-mW output power into 8 

 at 5 V, BTL

Ultra-low current consumption in shutdown mode

Internal thermal and short-circuit protection

Module gain is set at –4 V/V in BTL mode, –2 V/V in SE mode

Quick and Easy Configuration With The TI Plug-N-Play Audio Amplifier
Evaluation Platform

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 to 15-V (V

CC

) supply inputs

External regulated V

DD

 supply input

Socket for on-board 5-V/3.3-V V

DD

 voltage regulator EVM

Onboard overvoltage and reverse polarity power protection

Platform Audio Input and Output Connections

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

Содержание TPA751 MSOP

Страница 1: ...February 2001 Mixed Signal Products TPA751 MSOP Audio Power Amplifier Evaluation Module User s Guide SLOU112...

Страница 2: ...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...

Страница 3: ...ntegrated circuit 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 w...

Страница 4: ...iv...

Страница 5: ...2 6 2 5 1 TPA751 EVM Schematic Diagram 2 6 2 5 2 TPA751 MSOP Audio Power Amplifier Evaluation Module Parts List 2 7 2 5 4 TPA751 EVM PCB Layers 2 8 Figures 1 1 The TI TPA751 Audio Amplifier Evaluatio...

Страница 6: ...vi...

Страница 7: ...Audio Power Amplifier Evaluation Module SLOP357 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...

Страница 8: ...luation 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...

Страница 9: ...w 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 with room for a pair...

Страница 10: ...1 4 Introduction...

Страница 11: ...signal and control inputs and signal outputs to the EVM using standard connectors The TPA751 EVM can also be used stand alone by making connections directly to the module pins and it can be wired dire...

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 J...

Страница 13: ...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...

Страница 14: ...R3 R4 C3 Due to the very small size of the MSOP IC package the standard part number TPA751 is replaced with the code TIATC Power supply 1 Ensure that all external power sources are set to off 2 Conne...

Страница 15: ...held low Figure 2 3 shows a TPA751 EVM connected for stereo BTL operation Figure 2 3 TPA751 EVMs Connected for Stereo BTL Output Audio Input Left External Mute Control active low 5 VDC Audio Input Rig...

Страница 16: ...layers 2 5 1 TPA751 EVM Schematic Diagram Figure 2 4 shows the TPA751 EVM schematic Figure 2 4 TPA751 EVM Schematic Diagram C1 1 F C3 1 F R1 20 k IN Shutdown S1 OUT GND OUT R5 39 k R4 20 k NO C4 10 F...

Страница 17: ...Murata GRM39 Y5V105Z10PT Newark R1 R3 R4 Resistor 20 k 1 16 W 5 0603 3 Panasonic ERJ 3GSYJ203 Digi Key P20KGCT ND R2 R5 Resistor 39 k 1 16 W 5 0603 2 Panasonic ERJ 3GSYJ393 Digi Key P39KGCT ND S1 Swit...

Страница 18: ...PA751 EVM PCB Layers The following illustrations depict the TPA751 EVM PCB layers and silkscreen These drawings are not to scale Gerber plots can be obtained from any TI sales office Figure 2 5 TPA751...

Страница 19: ...represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of TI covering or relating to any combination mac...

Страница 20: ...Email epic ti com Internet www ti com sc epic Japan Phone International 81 3 3344 5311 Domestic 0120 81 0026 Fax International 81 3 3344 5317 Domestic 0120 81 0036 Internet International www ti com sc...

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