Typical operating characteristics (continued) – Rainbow Electronics MAX9714 User Manual
Page 5
MAX9713/MAX9714
6W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
_______________________________________________________________________________________
5
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9713 toc10
OUTPUT POWER (W)
THD+N (%)
6
4
2
0.01
0.1
1
10
100
0.001
0
8
V
DD
= 15V
A
V
= 13dB
f = 1kHz
R
L
= 8
Ω
SSM
FFM
EFFICIENCY vs. OUTPUT POWER
MAX9713 toc11
OUTPUT POWER (W)
EFFICIENCY (%)
8
6
4
2
10
20
30
40
50
60
70
80
90
100
0
0
10
R
L
= 16
Ω
R
L
= 8
Ω
V
DD
= 15V
A
V
= 13dB
EFFICIENCY vs. OUTPUT POWER
MAX9713 toc12
OUTPUT POWER (W)
EFFICIENCY (%)
9
6
3
10
20
30
40
50
60
70
80
90
100
0
0
12
R
L
= 16
Ω
R
L
= 8
Ω
V
DD
= 20V
A
V
= 13dB
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9713 toc13
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
22
19
16
13
8
7
6
5
4
3
2
1
0
10
25
A
V
= 13dB
THD+N = 10%
R
L
= 8
Ω
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9713 toc16
FREQUENCY (Hz)
PSRR (dB)
10k
1k
100
-60
-50
-40
-30
-20
-10
0
-70
10
100k
V
DD
= 15V
A
V
= 13dB
V
RIPPLE
= 200mV
P-P
R
L
= 16
Ω
10
9
8
7
6
5
4
3
2
1
0
1
10
100
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9713 toc14
LOAD RESISTANCE (
Ω)
OUTPUT POWER (W)
V
DD
= 15V
A
V
= 13dB
THD+N = 10%
THD+N = 1%
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
MAX9713 toc15
FREQUENCY (Hz)
CMRR (dB)
10k
1k
100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10
100k
V
DD
= 15V
A
V
= 13dB
R
L
= 8
Ω
CROSSTALK vs. FREQUENCY
MAX9713 toc17
FREQUENCY (Hz)
CROSSTALK (dB)
10
1
0.1
-80
-100
-60
-40
-20
0
-120
0.01
100
LEFT TO RIGHT
RIGHT TO LEFT
OUTPUT REFERRED
A
V
= 13dB
OUTPUT FREQUENCY SPECTRUM
MAX9713 toc18
FREQUENCY (Hz)
OUTPUT MAGNITUDE (dB)
15
10
5
-120
-100
-80
-60
-40
-20
0
20
-140
0
20
FFM MODE
P
OUT
= 5W
f =1kHz
R
L
= 8
Ω
UNWEIGHTED
Typical Operating Characteristics (continued)
(136µH with 16
Ω, 68µH with 8Ω, part in SSM mode, unless otherwise noted.)