Datasheet

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MAX98307/MAX98308
3.3W Mono Class DG Multilevel Audio Amplifier
Typical Operating Characteristics (continued)
(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.)
OUTPUT POWER vs. LOAD RESISTANCE
(MAX98307)
MAX98307 toc13
LOAD RESISTANCE (I)
OUTPUT POWER (W)
10010
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
11
k
V
PVDD
= 3.6V
f
IN
= 1kHz
THD+N = 1%
THD+N = 10%
MAX98307 toc16
0.2
0.6
0.8
0
1.0
1.2
1.4
1.6
0
OUTPUT POWER (W)
LOAD RESISTANCE (I)
10010
11
k
V
PVDD
= 3.6V
f
IN
= 1kHz
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
(MAX98308)
OUTPUT POWER (W)
0.5
1.0
1.5
2.0
2.5
0
MAX98307 toc14
LOAD RESISTANCE (I)
10010
11
k
V
PVDD
= 4.2V
f
IN
= 1kHz
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
(MAX98307)
OUTPUT POWER vs. LOAD RESISTANCE
(MAX98308)
LOAD RESISTANCE (I)
OUTPUT POWER (W)
10010
0.5
1.0
1.5
2.0
2.5
0
11
k
THD+N = 10%
THD+N = 1%
MAX98307 toc17
V
PVDD
= 4.2V
f
IN
= 1kHz
MAX98307 toc15
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
OUTPUT POWER (W)
LOAD RESISTANCE (I)
10010
11
k
V
PVDD
= 5V
f
IN
= 1kHz
THD+N = 1%
THD+N = 10%
OUTPUT POWER vs. LOAD RESISTANCE
(MAX98307)
OUTPUT POWER vs. LOAD RESISTANCE
(MAX98308)
LOAD RESISTANCE (I)
OUTPUT POWER (mW)
10010
11
k
THD+N = 10%
THD+N = 1%
MAX98307 toc18
V
PVDD
= 5V
f
IN
= 1kHz
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0