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TPA2010D1

SLOS417A 鈭?OCTOBER 2003 鈭?REVISED DECEMBER 2003

2.5 W MONO FILTER FREE CLASS D AUDIO POWER AMPLIFIER

FEATURES

D

Maximum Battery Life and Minimum Heat

鈭?Efficiency With an 8-鈩?Speaker:

鈭?88% at 400 mW

鈭?80% at 100 mW

鈭?2.8-mA Quiescent Current

鈭?0.5-碌A(chǔ) Shutdown Current

APPLICATIONS

D

Ideal for Wireless or Cellular Handsets and

PDAs

D

Only Three External Components

鈭?Optimized PWM Output Stage Eliminates

LC Output Filter

鈭?Internally Generated 250-kHz Switching

Frequency Eliminates Capacitor and

Resistor

鈭?Improved PSRR (鈭?5 dB) and Wide Supply

Voltage (2.5 V to 5.5 V) Eliminates Need

for a Voltage Regulator

鈭?Fully Differential Design Reduces RF

Rectification and Eliminates Bypass

Capacitor

鈭?Improved CMRR Eliminates Two Input

Coupling Capacitors

Wafer Chip Scale Packaging (WCSP)

鈭?NanoFreeE Lead-Free (YZF)

鈭?NanoStarE SnPb (YEF)

DESCRIPTION

The TPA2010D1 is a 2.5-W high efficiency filter-free

class-D audio power amplifier in a 1.45 mm

脳

1.45 mm

wafer chip scale package (WCSP) that requires only three

external components.

Features like 88% efficiency, 鈭?5-dB PSRR, improved

RF-rectification immunity, and 8 mm

2

total PCB area make

the TPA2010D1 ideal for cellular handsets. A fast start-up

time of 1 ms with minimal pop makes the TP2010D1 ideal

for PDA applications.

In cellular handsets, the earpiece, speaker phone, and

melody ringer can each be driven by the TPA2010D1. The

TPA2010D1 allows independent gain while summing

signals from seperate sources, and has a low 36

碌V

noise

floor, A-weighted.

D

APPLICATION CIRCUIT

9-BALL

WAFER CHIP SCALE

YZF, YEF PACKAGES

TPA2010D1 DIMENSIONS

(TOP VIEW OF PCB)

IN+

A1

VO鈭?/div>

GND

A2

PVDD

B2

VO鈭?/div>

A3

GND

B3

To Battery

Internal

Oscillator

+

Differential

Input

鈭?/div>

RI

IN鈭?/div>

_

RI

+

IN+

GND

SHUTDOWN

Bias

Circuitry

TPA2010D1

PWM

H鈭?/div>

Bridge

VDD

CS

VO+

1,55 mm

1,40 mm

VDD

B1

IN鈭?/div>

C1

SHUTDOWN VO+

C2

C3

1,55 mm

1,40 mm

Note: Pin A1 is marked with a 鈥?鈥?for

Pb鈭抐ree (YZF) and a 鈥?鈥?for SnPb (YEF).

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 and NanoStar are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date. Products

conform to specifications per the terms of Texas Instruments standard warranty.

Production processing does not necessarily include testing of all parameters.

Copyright

錚?/div>

2003, Texas Instruments Incorporated

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