SLOS556B – NOVEMBER 2008 – REVISED NOVEMBER 2009
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AC Characteristics (BTL)
PVDD_X = 18 V, BTL AD mode, FS = 48 KHz, R
L
= 8
Ω,
R
OCP
= 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
= 1 W
THD+N
V
n
Total harmonic distortion + noise
Output integrated noise (rms)
Crosstalk
SNR
(1)
Signal-to-noise ratio
(1)
MIN
TYP
20.6
19.5
9.4
8.9
4.1
3.8
0.06%
0.13%
0.2%
56
–82
-69
106
MAX
UNIT
W
PVDD= 12 V; P
O
= 1 W
PVDD= 8 V; P
O
= 1 W
A-weighted
P
O
= 0.25 W, f = 1kHz (BD Mode)
P
O
= 0.25 W, f = 1kHz (AD Mode)
A-weighted, f = 1 kHz, maximum power at
THD < 1%
μV
dB
dB
dB
SNR is calculated relative to 0-dBFS input level.
10
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