Typical operating characteristics – Rainbow Electronics MAX9704 User Manual
Page 4
MAX9703/MAX9704
15W, Filterless, Spread-Spectrum
Mono/Stereo Class D Amplifiers
4
_______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9703/04 toc01
FREQUENCY (Hz)
THD+N (%)
10k
1k
100
0.1
1
10
0.01
10
100k
V
DD
= 15V
R
L
= 4Ω
A
V
= 16dB
P
OUT
= 4W
P
OUT
= 500mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9703/04 toc02
FREQUENCY (Hz)
THD+N (%)
10k
1k
100
0.1
1
10
0.01
10
100k
V
DD
= 15V
R
L
= 8Ω
A
V
= 16dB
P
OUT
= 500mW
P
OUT
= 8W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9703/04 toc03
FREQUENCY (Hz)
THD+N (%)
10k
1k
100
0.1
1
10
0.01
10
100k
V
DD
= 20V
R
L
= 8Ω
A
V
= 16dB
P
OUT
= 8W
P
OUT
= 500mW
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX9703/04 toc04
FREQUENCY (Hz)
THD+N (%)
10k
1k
100
0.1
1
10
0.01
10
100k
V
DD
= 20V
R
L
= 8Ω
A
V
= 16dB
P
OUT
= 8W
SSM
FFM
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9703/04 toc07
OUTPUT POWER (W)
THD+N (%)
4
2
6
8
10 12 14 16 18
0.1
1
10
100
0.01
0
20
V
DD
= 20V
R
L
= 8Ω
A
V
= 16dB
f = 100Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9703/04 toc05
OUTPUT POWER (W)
THD+N (%)
6
4
5
2
3
1
0.1
1
10
100
0.01
0
10
9
7
8
V
DD
= 15V
R
L
= 4Ω
A
V
= 16dB
f = 10kHz
f = 1kHz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9703/04 toc06
OUTPUT POWER (W)
THD+N (%)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
0.1
1
10
0.01
0
15
V
DD
= 15V
R
L
= 8Ω
A
V
= 16dB
f = 100Hz
f = 1kHz
f = 10kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX9703/04 toc08
OUTPUT POWER (W)
THD+N (%)
1 2 3 4 5 6 7 8 9 10111213141516171819
0.1
1
10
0.01
0
20
FFM (335kHz)
SSM
V
DD
= 20V
R
L
= 8Ω
A
V
= 16dB
f = 1kHz
EFFICIENCY vs. OUTPUT POWER
MAX9703/04 toc09
OUTPUT POWER (W)
EFFICIENCY (%)
8
6
4
2
3
5
7
9
1
10
20
30
40
50
60
70
80
90
100
0
0
10
V
DD
= 12V
A
V
= 16dB
f = 1kHz
R
L
= 4Ω
R
L
= 8Ω
Typical Operating Characteristics
(33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to 22kHz, unless otherwise noted.)