RTJ

YZH

www.ti.com

FEATURES

APPLICATIONS

DESCRIPTION

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WCSP Thermally Limited Region

TPA2012D2

SLOS438C – DECEMBER 2004 – REVISED MARCH 2007

2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

• Wireless or Cellular Handsets and PDAs

• Output Power By Package:

• Portable DVD Player

–

QFN:

• Notebook PC

–

2.1 W/Ch Into 4

Ω at 5 V

• Portable Radio

–

1.4 W/Ch Into 8

Ω at 5 V

• Portable Gaming

–

720 mW/Ch Into 8

Ω at 3.6 V

• Educational Toys

–

WCSP:

• USB Speakers

–

1.2 W/Ch Into 4

–

1.3 W/Ch Into 8

Ω at 5 V

–

720 mW/Ch Into 8

Ω at 3.6 V

The TPA2012D2 is a stereo, filter-free, Class-D

• Only Two External Components Required

audio amplifier (class-D amp) available in a WCSP,

QFN, or PWP package. The TPA2012D2 only

• Power Supply Range: 2.5 V to 5.5 V

requires two external components for operation.

• Independent Shutdown Control for Each

Channel

The TPA2012D2 features independent shutdown

controls for each channel. The gain can be selected

• Selectable Gain of 6, 12, 18, and 24 dB

to 6, 12, 18, or 24 dB utilizing the G0 and G1 gain

• Internal Pulldown Resistor On Shutdown Pins

select pins. High PSRR and differential architecture

• High PSRR: 77 dB at 217 Hz

provide

increased

immunity

to

noise

and

RF

rectification. In addition to these features, a fast

• Fast Startup Time (3.5 ms)

startup time and small package size make the

• Low Supply Current

TPA2012D2 class-D amp an ideal choice for both

• Low Shutdown Current

cellular handsets and PDAs.

• Short-Circuit and Thermal Protection

• Space Saving Packages

–

2,01 mm X 2,01 mm NanoFree™ WCSP

(YZH)

–

4 mm X 4 mm Thin QFN (RTJ) with

PowerPAD™

(1)

Thermally limited

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.

NanoFree, PowerPAD are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2004–2007, 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.