Rainbow Electronics MAX9700 - Manual (Page 4)

100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc04
OUTPUT POWER (W)
THD+N (%)
V DD = 5V
R
L
= 8 Ω
f = 1kHz
f = 10kHz
f = 100Hz
100
0 0.2 0.4 0.6 0.8 1.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc05
OUTPUT POWER (W)
THD+N (%)
V DD = 5V
R L = 16 Ω
f = 10kHz
f = 1kHz f = 100Hz
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc06
OUTPUT POWER (W)
THD+N (%)
V DD = 5V
R
L
= 6 Ω
f = 1kHz
f = 10kHz
f = 100Hz
100
0 0.1 0.2 0.3 0.4 0.5
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc07
OUTPUT POWER (W)
THD+N (%)
V DD = 2.5V
R L = 8 Ω
V CM = 1.25V
NO INPUT CAPACITORS
DIFFERENTIAL
INPUT
SINGLE ENDED
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc08
OUTPUT POWER (W)
THD+N (%)
V DD = 5V
f = 1kHz
R
L = 8 Ω
FFM
(SYNC FLOATING)
SSM
FFM
(SYNC = GND)
100
0 0.5 1.0 1.5 2.0
10
1
0.1
0.01
0.001
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9700 toc09
OUTPUT POWER (W)
THD+N (%)
V DD = 5V
f = 1kHz
R
L = 8 Ω
f SYNC = 800kHz
f SYNC = 2MHz
f SYNC = 1.4MHz
MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= 3.3V, SYNC = GND (SSM), T
A
= +25°C, unless otherwise noted.)
0.001
10 100k 10k 100 1k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
0.1
0.01
MAX9700 toc01
FREQUENCY (Hz)
THD+N (%)
V DD = +5V
R L = 8 Ω
P OUT = 300mW
P OUT = 125mW
0.001
10 100k 10k 100 1k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
0.1
0.01
MAX9700 toc02
FREQUENCY (Hz)
THD+N (%)
V DD = +3.3V
R L = 8 Ω
P OUT = 300mW
P OUT = 125mW
0.001
10 100k 10k 100 1k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. FREQUENCY
1
0.1
0.01
MAX9700 toc03
FREQUENCY (Hz)
THD+N (%)
V DD = +3.3V
R L = 8 Ω
P OUT = 125mW
SSM MODE
FFM MODE