Datasheet

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RECOMMENDED OPERATING CONDITIONS
AUDIO SPECIFICATION
TAS5186A
SLES156 – OCTOBER 2005
MIN TYP MAX UNIT
PVDD_X Half-bridge supply, SE DC supply voltage at pin(s) 0 40 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
Any value of R
PU,EXT
within
VPU Pullup voltage supply 3 5 5.5 V
recommended range
Resistive load impedance, satellite Recommended demodulation filter
R
L,SAT
4 6 Ω
channels
(1)
Resistive load impedance, subwoofer Recommended demodulation filter
R
L,SUB
2.25 3 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 = 40 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
= 6 Ω , 10% THD, clipped input signal 30
R
L
= 8 Ω , 10% THD, clipped input signal 25
P
O,sat
Power output per satellite channel W
R
L
= 6 Ω , 0 dBFS, unclipped input signal 25
R
L
= 8 Ω , 0 dBFS, unclipped input signal 20
R
L
= 3 Ω , 10% THD, clipped input signal 60
R
L
= 4 Ω , 10% THD, clipped input signal 52
P
O,sub
Power output, subwoofer W
R
L
= 3 Ω , 0 dBFS, unclipped input signal 50
R
L
= 4 Ω , 0 dBFS, unclipped input signal 40
R
L
= 6 Ω , P
O
= 25 W 0.3%
Total harmonic distortion + noise,
satellite
R
L
= 6 Ω , 1 W 0.07%
THD + N
R
L
= 3 Ω , P
O
= 50 W 0.5%
Total harmonic distortion + noise,
subwoofer
R
L
= 3 Ω , 1 W 0.05%
Output integrated noise, satellite A-weighted 55
V
n
µ V
Output integrated noise, subwoofer A-weighted 60
SNR System signal-to-noise ratio A-weighted 105 dB
Dynamic range
(1)
A-weighted, –60 dBFS input signal, 105
DNR dB
measured with TAS5086 PWM processor
P
O
= 0 W, all channels running 5.1 mode
(2)
.
22- µ H Kwang-Sung inductors (see 4.5 W
Power dissipation due to idle losses
schematic for information)
P
idle
(IPVDDX)
P
O
= 0 W, 2.1 mode. 22- µ H Kwang-Sung
2.2 W
inductors (see schematic for information)
(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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