Datasheet Texas Instruments TPA6020A2RGWT — 数据表

TPA6020A2
www.ti.com SLOS458B – JULY 2005 – REVISED AUGUST 2005 2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
FEATURES APPLICATIONS Ideal for Notebook PCs
Fully Differential Architecture and High
PSRR (-80 dB) Provide Excellent RF
Rectification Immunity
2.8 W Into 3 Ω From a 5-V Supply at
THD = 10% (Typical)
Very Low Crosstalk:
– -100 dB Typical at 5 V, 3 Ω
2.5-V to 5.5-V Operating Range
Low Supply Current:
– 8 mA Typical at 5 V
– Shutdown Current: 80-nA Typical
Fast Startup (27 ms) With Minimal Pop
Internal Feedback Resistors Reduce
Component Count
Thermally Enhanced QFN Packaging Notebook PCs
LCD TVs DESCRIPTION
The TPA6020A2 is a 2.8-W stereo bridge-tied load
(BTL) amplifier designed to drive stereo speakers
with at least 3-Ω impedance. The device operates
from 2.5 V to 5.5 V, drawing only 8 mA of quiescent …