Datasheet

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RECOMMENDED OPERATING CONDITIONS
AUDIO SPECIFICATION (Single-Ended Operation)
TAS5176
SLES196 – JUNE 2007
MIN TYP MAX UNIT
PVDD_X Half-bridge supply, SE DC supply voltage at pin(s) 0 31 34 V
GVDD Gate drive and guard ring supply voltage DC voltage at pin(s) 10.8 12 13.2 V
VDD Digital regulator supply DC supply voltage at pin 10.8 12 13.2 V
Resistive load impedance, satellite
R
L,SAT
Recommended demodulation filter 6 8 Ω
channels
(1)
Resistive load impedance, subwoofer
R
L,SUB
Recommended demodulation filter 3.5 4 Ω
channel
Minimum output inductance under
L
output
Demodulation filter inductance 5 22 μ H
short-circuit condition
C
output,sat
Demodulation filter capacitance 1 μ F
C
output,sub
Demodulation filter capacitance 1 μ F
F
PWM
PWM frame rate 192 384 432 kHz
(1) Load impedance outside range listed might cause shutdown due to OLP, OTE, or NLP.
PVDD_X = 31 V, GVDD = 12 V, audio frequency = 1 kHz, AES17 measurement filter, F
PWM
= 384 kHz, case temperature =
75 ° C. Audio performance is recorded as a chipset, using TAS5086 PWM processor with an effective modulation index limit of
97%. All performance is in accordance with the foregoing specifications and recommended operating conditions unless
otherwise specified.
PARAMETER CONDITIONS MIN TYP MAX UNIT
R
L
= 8 Ω , 10% THD, clipped input signal 15 W
Power output per satellite
P
O,sat
channel
R
L
= 8 Ω , 0 dBFS, unclipped input signal 12
R
L
= 4 Ω , 10% THD, clipped input signal 25 W
P
O,sub
Power output, subwoofer
R
L
= 4 Ω , 0 dBFS, unclipped input signal 22
R
L
= 8 Ω , P
O
= 10 W .1
Total harmonic distortion + noise,
satellite
R
L
= 8 Ω , 1 W .05
THD + N %
R
L
= 4 Ω , P
O
= 20 W .1
Total harmonic distortion + noise,
subwoofer
R
L
= 4 Ω , 1 W .05
Output integrated noise, satellite A-weighted 55
V
n
μ V
Output integrated noise, A-weighted 60
subwoofer
SNR System signal-to-noise ratio A-weighted 105 dB
DNR Dynamic range
(1)
A-weighted, –60 dBFs input signal 105 dB
P
O
= 0 W, all channels running 5.1 mode
(2)
4.5 W
Power dissipation due to idle
P
idle
losses (IPVDDX)
P
O
= 0 W, 2.1 mode 2.2 W
(1) SNR is calculated relative to 0-dBFS input level.
(2) Actual system idle losses are affected by core losses of output inductors.
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