TPA2032D1

www.ti.com TPA2032D1 TPA2033D1 TPA2034D1 SLOS476 – JUNE 2006 2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER FEATURES Maximize Battery Life and Minimize Heat – 0.5-µA Shutdown Current – 3.0-mA Quiescent Current – High Efficiency Class-D 88% at 400mW at 8Ω 80% at 100mW at 8Ω 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 integra...