MAX4295 Maxim, MAX4295 Datasheet - Page 8

• Manufacturer Part Number: MAX4295
• Description: Mono/Stereo 2W Switch-Mode (Class-D) Audio Power Amplifiers
• Manufacturer: Maxim

Mono/Stereo 2W Switch-Mode (Class-D)
Audio Power Amplifiers
8
(V
CC
100
100
100
_______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
= PV
0
0
0
CC
vs. OUTPUT POWER (f
vs. OUTPUT POWER (f
vs. OUTPUT POWER (f
125kHz
125kHz
125kHz
500kHz
0.5
0.5
= +3V, input amplifier gain = -1, SHDN = V
MAX4295 EFFICIENCY
MAX4295 EFFICIENCY
MAX4297 EFFICIENCY
250kHz
0.2
1MHz
500kHz
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
250kHz
250kHz
1.0
1.0
1MHz
0.4
1.5
1.5
V
R
IN
IN
IN
CC
L
500kHz
= 4Ω
= 1kHz)
= 1kHz)
= 1kHz)
0.6
V
V
= +5V
R
R
CC
L
CC
L
2.0
2.0
= 4Ω
= 4Ω
1MHz
= +3V
= +5V
2.5
2.5
0.8
100
100
100
Typical Operating Characteristics (continued)
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
0
0
500kHz
vs. OUTPUT POWER (f
vs. OUTPUT POWER (f
vs. OUTPUT POWER (f
CC
125kHz
500kHz
125kHz
0.3
0.3
125kHz
MAX4295 EFFICIENCY
MAX4295 EFFICIENCY
, T
MAX4297 EFFICIENCY
0.2
250kHz
1MHz
250kHz
1MHz
A
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
0.6
= +25°C, unless otherwise noted.)
250kHz
0.6
0.9
0.4
0.9
1MHz
1.2
IN
IN
IN
500kHz
= 1kHz)
= 1kHz)
0.6
= 1kHz)
V
V
R
R
V
R
CC
L
CC
L
CC
L
1.2
= 8Ω
1.5
= 8Ω
= 8Ω
= +5V
= +3V
= +5V
0.8
1.8
1.5
100
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
0
0
250kHz
250kHz
vs. OUTPUT POWER (f
vs. OUTPUT POWER (f
vs. OUTPUT POWER (f
125kHz
0.1
0.1
MAX4295 EFFICIENCY
MAX4297 EFFICIENCY
MAX4295 EFFICIENCY
0.05
125kHz
125kHz
OUTPUT POWER (W)
OUTPUT POWER (W)
OUTPUT POWER (W)
1MHz
0.2
0.2
500kHz
1MHz
250kHz
0.10
500kHz
500kHz
0.3
0.3
1MHz
IN
IN
IN
= 1kHz)
= 1kHz)
0.15
= 1kHz)
V
R
V
R
V
R
CC
L
CC
L
CC
0.4
0.4
L
= 32Ω
= 32Ω
= 32Ω
= +5V
= +5V
= +3V
0.5
0.20
0.5