Datasheet

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MAX98307/MAX98308
3.3W Mono Class DG Multilevel Audio Amplifier
Typical Operating Characteristics
(V
PVDD
= V
CC
= V
SHDN
= 3.6V, V
PGND
= V
GND
= 0V, Z
L
= 8ω + 68FH between OUT+ and OUT-, A
V
= 14.5dB (MAX98307 R
IN+
=
R
IN-
= 10kω, R
FB+
= R
FB-
= 20kω), C
IN+
= C
IN-
= 0.33µF, AC measurement bandwidth 20Hz to 20kHz.)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (MAX98307)
MAX98307 toc01
OUTPUT POWER (W)
2.0
1.51.00.50 2.5
THD+N (%)
0.01
0.1
1
10
100
0.001
V
PVDD
= 3.6V
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (MAX98308)
MAX98307 toc04
OUTPUT POWER (W)
2.0
1.51.00.50 2.5
THD+N (%)
0.01
0.1
1
10
100
0.001
V
PVDD
= 3.6V
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 6kHz
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (MAX98307)
MAX98307 toc02
OUTPUT POWER (W)
3.0
2.52.01.51.00.50 3.5
THD+N (%)
0.01
0.1
10
100
0.001
1
V
PVDD
= 4.2V
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 6kHz
MAX98307 toc05
2.52.01.51.00.50 3.0
THD+N (%)
0.01
0.1
10
100
0.001
1
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (MAX98308)
V
PVDD
= 4.2V
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 6kHz
OUTPUT POWER (W)
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (MAX98307)
MAX98307 toc03
OUTPUT POWER (W)
4
321
05
THD+N (%)
0.01
0.1
1
10
100
0.001
V
PVDD
= 5V
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 6kHz
MAX98307 toc06
3.53.02.52.01.51.00.50 4.0
THD+N (%)
0.01
0.1
10
100
0.001
1
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. OUTPUT POWER (MAX98308)
V
PVDD
= 5V
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 6kHz
OUTPUT POWER (W)