Datasheet

TPA3004D2
www.ti.com SLOS407E –FEBRUARY 2003–REVISED JANUARY 2011
AC CHARACTERISTICS FOR CLASS-D OUTPUTS
T
A
= 25°C, V
CC
= 12 V, R
L
= 8 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
V
CC
= 11.5 V to 12.5 V from 10 Hz to 1 kHz,
k
SVR
Supply ripple rejection ratio –67 dB
Gain = 36 dB
R
L
= 4 Ω 7.5 W
Maximum continuous output
P
O(max)
power(thermally limited)
R
L
= 8 Ω, V
CC
= 15 V 12 W
20 Hz to 22 kHz, No weighting filter,
V
n
Output integrated noise floor –82 dBV
Gain = 0.5 dB
Crosstalk,
Gain = 13.2 dB, P
O
= 1 W, R
L
= 8 Ω –77 dB
Class-D-Left → Class-D-Right
Crosstalk,
Maximum output at THD < 0.5%, Gain = 36 dB –63 dB
Class-D → VAROUT
Maximum output at THD+N < 0.5%, f = 1 kHz,
SNR Signal-to-noise ratio 102 dB
Gain = 0.5 dB
Thermal trip point 150 °C
Thermal hysteresis 20 °C
CHARACTERISTICS FOR VAROUT OUTPUTS
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Measured between V2P5 and VAROUT,
|V
OS
| Output offset voltage 10 65 mV
Gain = 20 dB, R
L
= 10 kΩ
A
V
= 7.3 dB, f = 1 kHz,
0.025%
P
O
= 6 mW, R
L
= 32 Ω
THD+N Total harmonic distortion + noise
A
V
= 7.3 dB, f = 1 kHz,
0.002%
R
L
= 2 kΩ, V
O
= 1 V
rms
PSRR DC power supply rejection ratio Gain = 20 dB –74 dB
k
SVR
Supply ripple rejection ratio Gain = 20 dB, f = 1 kHz –95 dB
Crosstalk, VAROUTL → VAROUTR Maximum output at THD < 0.5%, Gain = 20 dB –60 dB
Crosstalk, VAROUT → Class-D Maximum output at THD < 0.5%, Gain = 20 dB –74 dB
20 Hz to 22 kHz, Gain = 20 dB 75
V
n
Output integrated noise floor µV
20 Hz to 22 kHz, Gain = –0.3 dB 15
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