SLOS549 – JUNE 2008
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AC Characteristics (BTL)
PVDD_X = 18 V, BTL mode, R
L
= 8
Ω,
R
OC
= 22 KΩ, C
BST
= 33 nF, audio frequency = 1 kHz, AES17 filter,
f
PWM
= 384 kHz, T
A
= 25°C (unless otherwise noted). All performance is in accordance with recommended operating
conditions, unless otherwise specified.
PARAMETER
TEST CONDITIONS
PVDD = 18 V,10% THD, 1-kHz input signal
PVDD = 18 V, 7% THD, 1-kHz input signal
P
O
Power output per channel
PVDD = 12 V, 10% THD, 1-kHz input
signal
PVDD = 12 V, 7% THD, 1-kHz input signal
PVDD = 8 V, 10% THD, 1-kHz input signal
PVDD = 8 V, 7% THD, 1-kHz input signal
PVDD = 18 V; P
O
= 10 W (half-power)
THD+N
V
n
Total harmonic distortion + noise
Output integrated noise
Crosstalk
SNR
P
D
(1)
(2)
Signal-to-noise ratio
(1)
MIN
TYP
20.0
18.6
9
8.3
3.9
3.7
0.12%
0.1%
0.24%
50
–73
105
0.6
MAX
UNIT
W
PVDD = 12 V; P
O
= 4.5 W (half-power)
PVDD = 8 V; P
O
= 2 W (half-power)
A-weighted
P
O
= 1 W, f = 1kHz
A-weighted, f = 1 kHz, maximum power at
THD < 0.1%
P
O
= 0 W, 4 channels switching
(2)
µV
dB
dB
W
Power dissipation due to idle losses (I
PVDD_X
)
SNR is calculated relative to 0-dBFS input level.
Actual system idle losses are affected by core losses of output inductors.
AC Characteristics (Single-Ended Output)
PVDD_X = 18 V, SE mode, R
L
= 4
Ω,
R
OC
= 22 kΩ, C
BST
= 33-nF, audio frequency = 1 kHz, AES17 filter, F
PWM
= 384 kHz,
ambient temperature = 25°C (unless otherwise noted). All performance is in accordance with recommended operating
conditions, unless otherwise specified.
PARAMETER
TEST CONDITIONS
PVDD = 18 V, 10% THD
P
O
Power output per channel
PVDD = 18 V, 7% THD
PVDD = 12 V, 10% THD
PVDD = 12 V, 7% THD
THD+
N
V
n
SNR
DNR
P
D
(1)
(2)
Total harmonic distortion + noise
Output integrated noise
Signal-to-noise ratio
Dynamic range
Power dissipation due to idle
losses (IPVDD_X)
(1)
MIN
TYP MAX
10
9
4.5
4
0.2
0.2
50
105
105
0.6
UNIT
W
PVDD = 18V, Po =5 W (half-power)
PVDD = 12V, Po =2.25 W (half-power)
A-weighted
A-weighted
A-weighted, input level = –60 dBFS using TAS5086 modulator
P
O
= 0 W, 4 channels switching
(2)
%
µV
dB
dB
W
SNR is calculated relative to 0-dBFS input level.
Actual system idle losses are affected by core losses of output inductors.
10
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