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Feature Highlights

1-2

Introduction

1.1

Feature Highlights

The TI TPA0243 audio amplifier evaluation module and the TI plug-n-play
audio amplifier evaluation platform include the following features:

TPA0243 mono 2-W audio power amplifier with stereo headphone drive
evaluation module

Single channel, bridge-tied load (BTL) or dual-channel single-ended
operation

Internal summing of left and right channels to generate mono signal

2 W output power into 4 

 at 5 V, BTL

0.6 W output power into 4 

 at 3 V, BTL

Low current consumption in shutdown mode (1 

µ

A)

Stereo headphone drive

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

External 5-V – 15-V DC V

CC

 supply inputs

External regulated V

DD

 supply input

Socket for onboard 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

Mono (right) RCA phono jack output

Mono (right) compression speaker terminal output

Miniature stereo headphone jack output

Содержание TPA0243

Страница 1: ...December 2000 Mixed Signal Products User s Guide SLOU099...

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...

Страница 3: ...fier integrated 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 compli...

Страница 4: ...iv...

Страница 5: ...or SE Stereo Headphone Output 2 6 2 5 Reference 2 7 2 5 1 EVM Schematic 2 7 2 5 2 EVM Parts List 2 8 2 5 3 Module PCB Layers 2 9 Figures 1 1 The TI TPA0243 Audio Amplifier Evaluation Module 1 3 2 1 Qu...

Страница 6: ...vi...

Страница 7: ...TPA0243 audio amplifier evaluation module SLOP269 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...

Страница 8: ...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 optio...

Страница 9: ...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 TPA0243 evaluation module and is a conv...

Страница 10: ...1 4 Introduction...

Страница 11: ...nd control inputs and signal outputs to the EVM using standard connectors The TPA0243 audio amplifier evaluation module can also be used stand alone by making connections directly to the module pins a...

Страница 12: ...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 A...

Страница 13: ...lect and connect the power supply ensure power supply is set to OFF a Connect an external regulated power supply set to 5 V to platform VDD power input connector J6 taking care to observe marked polar...

Страница 14: ...wer 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...

Страница 15: ...TL Output Figure 2 3 shows two TPA0243 EVMs connected for stereo BTL operation Figure 2 3 TPA0243 EVMs Connected for Stereo BTL Output GND LO MO SHUTDOWN GND C3 VDD GND GND LIN VDD GND GND RIN TPA0243...

Страница 16: ...phone operation Figure 2 4 TPA0243 EVM Connected for Single Ended Stereo Headphone Output GND LO MO SHUTDOWN GND C3 VDD GND GND LIN VDD GND GND RIN TPA0243 EVM Board U1 TEXAS INSTRUMENTS 2000 R2 S1 R1...

Страница 17: ...he TPA0243 EVM schematic Figure 2 5 TPA0243 EVM Schematic Diagram C4 1 F R1 100 k TPA0243 S1 RO MO NO SD FILT_CAP BYPASS LO MO LIN VDD ST M 10 9 8 7 1 2 3 4 VDD STEREO MONO C3 10 F GND RIN RO MO 6 5 G...

Страница 18: ...8 Capacitor 220 F 10 V 7 3 mm L 4 3 mm W 2 Sanyo POSCAP 10TPB220M R2 R4 Potentiometer 50 k 1 2 W through hole 2 Bourns 3323P 50K Digi Key 3323P 503 ND R6 R9 Resistor 1 k 1 10 W 5 0805 2 Panasonic ERJ...

Страница 19: ...s The following illustrations depict the TPA0243 EVM PCB layers and silkscreen These drawings are not to scale Gerber plots can be obtained from any TI Sales Office Figure 2 6 TPA0243 EVM PCB Figure 2...

Страница 20: ...2 10 Figure 2 8 TPA0243 EVM Bottom Layer...

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