Datasheet Texas Instruments TPA2034D1YZFR — 数据表

TPA2032D1
TPA2033D1
TPA2034D1
www.ti.com SLOS476 – JUNE 2006 2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER Wafer Chip Scale Packaging (WCSP)
– NanoFree™ Lead-Free (Pb-Free: YZF) 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 …