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FEATURES

· Maximize Battery Life and Minimize Heat

– 0.5-mA Shutdown Current

– 3.0-mA Quiescent Current

– High Efficiency Class-D

· 88% at 400mW at 8W

· 80% at 100mW at 8W

· Three Fixed Gain Versions

– TPA2032D1 has a gain of 2 V/V (6dB)

– TPA2033D1 has a gain of 3 V/V (9.5dB)

– TPA2034D1 has a gain of 4 V/V (12dB)

· Only One External Component Required

– Internal Matched Input Gain and Feedback

Resistors for Excellent PSRR and CMRR

– Optimized PWM Output Stage Eliminates

LC Output Filter

– PSRR (–75 dB) and Wide Supply Voltage

(2.5 V to 5.5 V) Eliminates Need for a

Dedicated Voltage Regulator

– Fully Differential Design Reduces RF

Rectification and Eliminates Bypass

Capacitor

– CMRR (–69 dB)Eliminates Two Input

Coupling Capacitors

· Thermal and Short-Circuit Protection

· Pinout Very Similar to TPA2010D1

· Wafer Chip Scale Packaging (WCSP)

– NanoFree? Lead-Free (Pb-Free: YZF)

APPLICATIONS

· Ideal for Wireless Handsets, PDAs, and other mobile devices

DESCRIPTION

The TPA2032D1 (2V/V gain), TPA2033D1 (3V/V

gain), and TPA2034D1 (4V/V gain) are 2.75-W high

efficiency filter-free class-D audio power amplifiers,

each in an approximately 1.5-mm ′ 1.5-mm wafer

chip scale package (WCSP) that requires only one

external component. The pinout is the same as the

TPA2010D1 except that the external gain setting

input resistors required by the TPA2010D1 are

integrated into the fixed gain TPA203xD1 family.

Features like –75dB PSRR and improved

RF-rectification immunity with a very small PCB footprint (WCSP amplifier plus single decoupling

cap) make the TPA203xD1 family ideal for wireless

handsets. A fast start-up time of 3.2 ms with minimal

pop makes the TPA203xD1 family ideal for PDA

applications.

In wireless handsets, the earpiece, speaker phone,

and melody ringer can each be driven by a

TPA203xD1. The TPA203xD1 family has a low

27-mV noise floor, A-weighted.