LC Filter

LC Filter

Left

Right

4.5 V-26 V

PSU

Tuner AM/FM

CD/ MP3

Aux in

Left

Right

Audio Processor

And control

TPA 3116 D2

AM /FM Avoidance

Control

FAULTZ

SDZ

MUTE

Sync

Capable of synchronizing to other devices

GAIN/SLV

GAIN control and Master /Slave setting

AM2,1,0

PLIMIT

Power Limit

PBTL

Detect

TPA3116D2

TPA3118D2

TPA3130D2

www.ti.com

SLOS708B – APRIL 2012 – REVISED MAY 2012

15W,30W,50W Filter-Free Class-D Stereo Amplifier Family with AM Avoidance

Check for Samples: TPA3116D2 , TPA3118D2, TPA3130D2

1

FEATURES

DESCRIPTION

The TPA31xxD2 series are stereo efficient, digital

•

Supports Multiple Output Configurations

amplifier power stage for driving speakers up to

–

2×50-W into a 4-

Ω BTL Load at 21 V

100W/2

Ω in mono. The high efficiency of the

(TPA3116D2)

TPA3130D2 allows it to do 2x15W without external

–

2×30-W into a 8-

Ω BTL Load at 24 V

heat sink on a single layer PCB. The TPA3118D2 can

even run 2x30W/8

Ω without heat sink on a dual layer

(TPA3118D2)

PCB. If even higher power is needed the TPA3116D2

–

2×15-W into a 8-

Ω BTL Load at 15 V

does 2x50W/4

Ω with a small heat-sink attached to its

(TPA3130D2)

top side PowerPad. All three devices share the same

•

Wide Voltage Range: 4.5 V – 26 V

footprint enabling a single PCB to be used across

different power levels.

•

Efficient Class-D Operation

–

>90% Power Efficiency Combined with Low

The

TPA31xxD2

advanced

oscillator/PLL

circuit

Idle Loss Greatly Reduces Heat Sink Size

employs a multiple switching frequency option to

avoid AM interferences; this is achieved together with

–

Advanced Modulation Schemes

an option of Master/Slave option, making it possible

•

Multiple Switching Frequencies

to synchronize multiple devices.

–

AM Avoidance

The TPA31xxD2 devices are fully protected against

–

Master/Slave Synchronization

faults

with

short-circuit

protection

and

thermal

–

Up to 1.2 MHz Switching Frequency

protection as well as over-voltage, under-voltage and

DC protection. Faults are reported back to the

•

Feedback Power Stage Architecture with High

processor to prevent devices from being damaged

PSRR Reduces PSU Requirements

during overload conditions.

•

Programmable Power Limit

•

Differential/Single-Ended Inputs

Simplified Application Circuit

•

Stereo and Mono Mode with Single Filter Mono

Configuration

•

Single Power Supply Reduces Component

Count

•

Integrated Self-Protection Circuits Including

Over-Voltage, Under-Voltage, Over-

Temperature, DC-Detect, and Short Circuit

with Error Reporting

•

Thermally Enhanced Packages

–

DAD (32-pin HTSSOP Pad-up)

DEVICE

POWER

HTSSOP 32-PIN

–

DAP (32-pin HTSSOP Pad-down)

TPA3130D2

2 x 15W/8

Ω

Pad down (DAP)

•

–40°C to 85°C Ambient Temperature Range

TPA3118D2

2 x 30W/8

Ω

Pad down (DAP)

TPA3116D2

2 x 50W/4

Ω

Pad up (DAD)

APPLICATIONS

•

Mini-Micro Component, Speaker Bar, Docks

•

After-Market Automotive

•

CRT TV

•

Consumer Audio Applications

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2012, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.