Typical operating characteristics (continued) – Rainbow Electronics MAX98314 User Manual
Page 6
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MAX98314
Mono 3.2W Class D Amplifier
with Integrated Input Coupling Capacitors
Typical Operating Characteristics (continued)
(V
PVDD
= V
SHDN
= 5.0V, V
PGND
= 0V, A
V
= 6dB, R
L
= J, R
L
connected between OUT+ to OUT-, AC measurement bandwidth 20Hz
to 22kHz, T
A
= +25NC, unless otherwise noted.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX98314 toc10
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
OUTPUT POWER (W)
THD+N (%)
1.5
1.0
0.5
0
0.01
0.1
1
10
100
0.001
2.0
V
PVDD
= 5V
Z
LOAD
= 8I + 68µH
f = 6kHz
f = 1kHz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX98314 toc11
OUTPUT POWER (W)
THD+N (%)
1.2
0.9
0.6
0.3
0.01
0.1
1
10
100
0.001
0
1.5
V
PVDD
= 4.3V
Z
LOAD
= 8I + 68µH
f = 6kHz
f = 1kHz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX98314 toc12
OUTPUT POWER (W)
THD+N (%)
0.9
0.6
0.01
0.1
1
10
100
0.001
0
1.2
V
PVDD
= 3.7V
Z
LOAD
= 8I + 68µH
f = 6kHz
f = 1kHz
f = 100Hz
0.3
OUTPUT POWER vs. LOAD RESISTANCE
MAX98314 toc13
R
LOAD
(I)
OUTPUT POWER (W)
100
10
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
1
1000
V
PVDD
= 5V
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. LOAD RESISTANCE
MAX98314 toc14
R
LOAD
(I)
OUTPUT POWER (W)
100
10
0.5
1.0
1.5
2.0
2.5
0
1
1000
V
PVDD
= 3.7V
THD+N = 10%
THD+N = 1%
OUTPUT POWER vs. SUPPLY VOLTAGE
MAX98314 toc15
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
5.0
4.5
4.0
3.5
3.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0
2.5
5.5
f = 1kHz
Z
LOAD
= 4I + 33µH
THD+N = 10%
THD+N = 1%
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX98314 toc07
OUTPUT POWER (W)
THD+N (%)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
4.0
V
PVDD
= 5V
Z
LOAD
= 4I + 33µH
f = 6kHz
f = 1kHz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX98314 toc08
OUTPUT POWER (W)
THD+N (%)
2.0
1.5
1.0
0.5
0.01
0.1
1
10
100
0.001
0
2.5
V
PVDD
= 4.2V
Z
LOAD
= 4I + 33µH
f = 6kHz
f = 1kHz
f = 100Hz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
MAX98314 toc09
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER
OUTPUT POWER (W)
THD+N (%)
1.5
1.0
0.5
0
0.01
0.1
1
10
100
0.001
2.0
V
PVDD
= 3.7V
Z
LOAD
= 4I + 33µH
f = 6kHz
f = 1kHz
f = 100Hz