User Manual

MAX9713/MAX9714
6W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
6 _______________________________________________________________________________________
OUTPUT FREQUENCY SPECTRUM
MAX9713 toc19
FREQUENCY (Hz)
OUTPUT MAGNITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
-140
0 20k
SSM MODE
P
OUT
= 5W
f = 1kHz
R
L
= 8Ω
UNWEIGHTED
OUTPUT FREQUENCY SPECTRUM
MAX9713 toc20
FREQUENCY (Hz)
OUTPUT MAGNITUDE (dB)
15k10k5k
-120
-100
-80
-60
-40
-20
0
20
0 20k
SSM MODE
P
OUT
= 5W
f = 1kHz
R
L
= 8Ω
A-WEIGHTED
RBW = 10kHz
0
-100
1M 10M 100M
WIDEBAND OUTPUT SPECTRUM
(FFM MODE)
-80
MAX1973toc21
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dB)
-60
-40
-20
-30
-50
-70
-90
-10
RBW = 10kHz
0
-100
1M 10M 100M
WIDEBAND OUTPUT SPECTRUM
(SSM MODE)
-80
MAX9713toc22
FREQUENCY (Hz)
OUTPUT AMPLITUDE (dB)
-60
-40
-20
-30
-50
-70
-90
-10
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9713 toc25
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
18161412
0.10
0.05
0.15
0.20
0.25
0.30
0.35
0
10 20
TURN-ON/TURN-OFF RESPONSE
MAX9713 toc23
20ms/div
MAX9714
OUTPUT
1V/div
5V/div
SHDN
f = 1kHz
R
L
= 8Ω
C
SS
= 180pF
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9713 toc24
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
18161412
5
10
15
20
25
0
10 20
Typical Operating Characteristics (continued)
(136µH with 16Ω, 68µH with 8Ω, part in SSM mode, unless otherwise noted.)