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TPA2000D1-TPA2000D1GQCR-TPA2000D1PW-TPA2000D1PWG4-TPA2000D1PWR-TPA2000D1PWRG4
2-W Mono Filterless Class-D Audio Power Amp
GQCPW
www.ti.com
FEATURES
APPLICATIONSNOTE:
connections to the ground plane.
NC – No internal connection, still requires a pad for the ball.
DESCRIPTION
TPA2000D1SLOS328F–JUNE 2000–REVISED MARCH 2004
2-W FILTERLESS MONO CLASS-D AUDIO Modulation Scheme Optimizedto Operate
Withouta Filter 4 mm×
4 mm MicroStar Junior BGA
TSSOP Package Options 2W Intoa 4-Ω Speaker (THD+N<1%) <0.2% THD+Nat 1.5 W,1 kHz, Intoa Extremely Efficient Third Generation
Class-D Technology: Low-Supply Current (No Filter):4 mA Low-Supply Current (Filter): 7.5 mA Low-Shutdown Current: 0.05µA Low-Noise Floor:40µV RMS (No-Weighting
Filter) Maximum Efficiency Into8Ω,
75-854 Internal Gain Settings:6to 23.5 dB PSRR: -77 dB Integrated Depop Circuitry Short-Circuit Protection (Shortto Battery,
Ground, and Load) High-Efficiency For Extended Battery Run
TimeThe TPA2000D1isa 2-W mono bridge-tied-load (BTL) class-D amplifier designedto drivea speaker withat least
4-Ω impedance. The amplifier uses TI's third generation modulation technique, which resultsin improved
efficiency and SNR.It also allows the deviceto be connected directlyto the speaker without the useof the LC
output filter commonly associated with class-D amplifiers (this resultsin EMI that mustbe shieldedat the system
level). These features make the device ideal for usein devices where high efficiencyis neededto extend battery
run time.
The gainof the amplifieris controlledby two input terminals, GAIN1 and GAIN0. This allows the amplifiertobe fora gainof6, 12, 18, and 23.5 dB. The differential input terminals are high-impedance CMOS inputs, usedas summing nodes. BTL amplifier includes depop circuitryto reduce the amountof turnon popat power up and when
