Datasheet

MAX4295
Mono, 2W, Switch-Mode (Class D)
Audio Power Amplifier
_______________________________________________________________________________________ 5
Typical Operating Characteristics (continued)
(V
CC
= PV
CC
= +3V, input amplifier gain = -1, SHDN = V
CC
, T
A
= +25°C, unless otherwise noted.)
10 1k 100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT FREQUENCY (V
IN
= 1.5V
P-P
)
MAX4295 toc11
INPUT FREQUENCY (Hz)
THD+N (%)
10
1
0.01
0.1
V
CC
= +3V
R
L
= 8
1MHz
125kHz
250kHz
500kHz
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (f
IN
= 1kHz)
MAX4295 toc14
OUTPUT POWER (W)
THD+N (%)
100
10
1
0.10
0.1
V
CC
= +3V
R
L
= 8
250kHz
500kHz
125kHz
1MHz
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (f
IN
= 20kHz)
MAX4295 toc17
OUTPUT POWER (W)
THD+N (%)
100
10
1
0.10
0.1
V
CC
= +3V
R
L
= 8
125kHz
1MHz
500kHz
250kHz
10 1k 100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT FREQUENCY (V
IN
= 1.5V
P-P
)
MAX4295 toc10
INPUT FREQUENCY (Hz)
THD+N (%)
10
1
0.01
0.1
V
CC
= +3V
R
L
= 4
1MHz
125kHz
250kHz
500kHz
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (f
IN
= 1kHz)
MAX4295 toc13
OUTPUT POWER (W)
THD+N (%)
100
10
0.1
1
V
CC
= +3V
R
L
= 4
1MHz
250kHz
500kHz
125kHz
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (f
IN
= 20kHz)
MAX4295 toc16
OUTPUT POWER (W)
THD+N (%)
100
10
1
0.10
0.1
V
CC
= +3V
R
L
= 4
125kHz
250kHz
500kHz
1MHz
10 1k 100k
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. INPUT FREQUENCY (V
IN
= 1.5V
P-P
)
MAX4295 toc12
INPUT FREQUENCY (Hz)
THD+N (%)
10
1
0.01
0.1
V
CC
= +3V
R
L
= 32
1MHz
125kHz
250kHz
500kHz
0 0.05 0.10 0.15 0.20
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (f
IN
= 1kHz)
MAX4295 toc15
OUTPUT POWER (W)
THD+N (%)
100
10
1
0.10
0.1
V
CC
= +3V
R
L
= 32
250kHz
125kHz
500kHz
1MHz
0 0.05 0.10 0.15 0.20
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER (f
IN
= 20kHz)
MAX4295 toc18
OUTPUT POWER (W)
THD+N (%)
100
10
1
0.10
0.1
V
CC
= +3V
R
L
= 32
250kHz
500kHz
1MHz
125kHz