Datasheet Texas Instruments TPA2000D2PWPR — 数据表

TPA2000D2
www.ti.com SLOS291F – MARCH 2000 – REVISED MARCH 2007 2-W FILTERLESS STEREO CLASS-D AUDIO POWER AMPLIFIER FEATURES Modulation Scheme Optimized to Operate
Without a Filter
2 W Into 3-Ω Speakers (THD+N< 0.4%)
< 0.08% THD+N at 1 W, 1 kHz, Into 4-Ω Load
Extremely Efficient Third Generation 5-V
Class-D Technology:
– Low Supply Current (No Filter) . 8 mA
– Low Supply Current (Filter) . 15 mA
– Low Shutdown Current . 1 µA
– Low Noise Floor . 56 µVRMS
– Maximum Efficiency Into 3 Ω, 65-70%
– Maximum Efficiency Into 8 Ω, 75-85%
– 4 Internal Gain Settings . 8-23.5 dB
– PSRR . -77 dB
Integrated Depop Circuitry Short-Circuit Protection (Short to Battery,
Ground, and Load)
-40В°C to 85В°C Operating Temperature Range
PW OR PWP PACKAGE
(TOP VIEW) PGND
LOUTN
GAIN0
PVDD …