12W+12W, Low-EMI, Spread-Spectrum,
Stereo, Class D Amplifier
Typical Operating Characteristics (continued)
(VDD = 18V, RL = 8Ω, fIN = 1kHz, 33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to
22kHz, unless otherwise noted.)
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
0
200mVP-P INPUT
-20
-40
-60
-80
-100
-120
10
100
1k
10k
100k
FREQUENCY (Hz)
CROSSTALK vs. FREQUENCY
0
-20
-40
LEFT TO RIGHT
-60
-80
RIGHT TO LEFT
-100
-120
10
100
1k
10k
100k
FREQUENCY (Hz)
OUTPUT FREQUENCY SPECTRUM
20
FFM MODE
0
UNWEIGHTED
fIN = 1kHz
-20
POUT = 5W
-40
-60
-80
-100
-120
-140
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (kHz)
OUTPUT FREQUENCY SPECTRUM
20
SSM MODE
0
UNWEIGHTED
fIN = 1kHz
-20
POUT = 5W
-40
-60
-80
-100
-120
-140
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (kHz)
OUTPUT FREQUENCY SPECTRUM
20
SSM MODE
0
A-WEIGHTED
fIN = 1kHz
-20
POUT = 5W
-40
-60
-80
-100
-120
-140
0 2 4 6 8 10 12 14 16 18 20
FREQUENCY (kHz)
WIDEBAND OUTPUT SPECTRUM
(FFM MODE)
0
RBW = 10kHz
-20
-40
-60
-80
-100
-120
100k
1M
10M
FREQUENCY (Hz)
100M
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