TPA3144D2PWPR datasheet(7/40 Pages) TI1

7 / 40 page

TPA3144D2

www.ti.com

SLOS907B – APRIL 2015 – REVISED JULY 2015

Electrical Characteristics (continued)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

AC CHARACTERISTICS, TA = 25°C, AVCC = PVCC = 12 V, RL = 6 Ω, using the TPA3144D2 EVM which is available at ti.com. (unless otherwise noted)

200 mVPP ripple at 1 kHz,

PSRR

Power supply ripple rejection

-65

Gain = 20 dB, Inputs ac-coupled to GND

Continuous output power

THD+N = 10%, f = 1 kHz

Continuous output power

THD+N = 10%, f = 1 kHz, PVCC = 13V, RL = 8 Ω

Continuous output power, PBTL (mono)

THD+N = 10%, f = 1 kHz, PVCC = 13V, RL = 4 Ω

Maximum output current

f = 1kHz, RL=3Ω

3.1

THD+N

Total harmonic distortion + noise

f = 1 kHz, PO = 5 W (half-power)

0.06%

µV

20 Hz to 22 kHz, A-weighted filter, Gain = 20 dB, Spread

Output integrated noise

Spectrum off

–80

dBV

Crosstalk

VO = 1 Vrms, Gain = 20 dB, f = 1 kHz

–75

Maximum output at THD+N < 1%, f = 1 kHz,

SNR

Signal-to-noise ratio

102

Gain = 20 dB, A-weighted, Spread Spectrum off

OTE

Thermal trip point

150

°C

Thermal hysteresis

°C

TFB

Thermal foldback trip point

125

°C

7.6 Switching Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

MIN

NOM

MAX

UNIT

fOSC

Oscillator frequency

250

310

350

kHz

fOSC, SS

Oscillator frequency, Spread Spectrum ON

255

315

355

kHz

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