Datasheet


SLES127A − FEBRUARY 2005 − REVISED NOVEMBER 2005
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7
RECOMMENDED OPERATING CONDITIONS
CONDITIONS MIN NOM MAX UNIT
PVDD_x Half-bridge supply DC supply voltage 0 35 37 V
GVDD_x
Supply for logic regulators and gate-drive
circuitry
DC supply voltage 10.8 12 13.2 V
VDD Digital regulator input DC supply voltage 10.8 12 13.2 V
R
L
(BTL)
Output filter: L = 10 µH, C = 470 nF
3 4
R
L
(SE)
Load impedance
Output filter: L = 10 µH, C = 470 nF
Output AD modulation, switching
frequency > 350 kHz
2 3
Ω
R
L
(PBTL)
Load impedance
Output AD modulation, switching
frequency > 350 kHz
1.5 2
Ω
L
Output
(BTL)
Minimum output inductance under
10
L
Output
(SE)
Output-filter inductance
Minimum output inductance under
short-circuit condition
10
µH
L
Output
(PBTL)
Output-filter inductance
short-circuit condition
10
µH
F
PWM
PWM frame rate 192 384 432 kHz
T
J
Junction temperature 0 125 _C
AUDIO SPECIFICATIONS (BTL)
PVDD_X = 35 V, GVDD = VDD = 12 V, BTL mode, R
L
= 4 Ω, audio frequency = 1 kHz, AES17 filter, F
PWM
= 384 kHz, case temperature = 75°C,
unless otherwise noted. Audio performance is recorded as a chipset, using TAS5508 PWM processor with an effective modulation index limit of
96.1%. All performance is in accordance with recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
TAS5152
UNIT
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
UNIT
R
L =
4 Ω,10% THD, clipped input
signal
125
R
L =
6 Ω,10% THD, clipped input
signal
98
P
o
Power output per channel
R
L =
8 Ω,10% THD, clipped input
signal
76
W
P
o
Power output per channel
R
L =
4 Ω, 0 dBFS, unclipped input
signal
96
W
R
L =
6 Ω, 0 dBFS, unclipped input
signal
72
R
L =
8 Ω, 0 dBFS, unclipped input
signal
57
THD+N
Total harmonic distortion + noise
0 dBFS 0.1
%
THD+N
Total harmonic distortion + noise
1 W 0.02
%
V
n
Output integrated noise A-weighted 145 µV
SNR Signal-to-noise ratio
(1)
A-weighted 102 dB
DNR
Dynamic range
A-weighted, input level = –60 dBFS
using TAS5508 modulator
102 dB
DNR
Dynamic range
A-weighted, input level = –60 dBFS
using TAS5518 modulator
110 dB
P
idle
Power dissipation due to idle losses (IPVDDx) P
O
= 0 W, 2 channels switching
(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.