MAX4295ESE(2005) View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX4295ESE Datasheet PDF : 15 Pages
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Mono, 2W, Switch-Mode (Class D)
Audio Power Amplifier
Typical Operating Characteristics (continued)
(VCC = PVCC = +3V, input amplifier gain = -1, SHDN = VCC , TA = +25°C, unless otherwise noted.)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY
vs. OUTPUT POWER (fIN = 1kHz)
500kHz
250kHz
1MHz
125kHz
VCC = +5V
RL = 4Ω
0.5
1.0
1.5
2.0 2.5
OUTPUT POWER (W)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY
vs. OUTPUT POWER (fIN = 1kHz)
500kHz
250kHz
1MHz
125kHz
VCC = +5V
RL = 8Ω
0.3 0.6 0.9 1.2 1.5 1.8
OUTPUT POWER (W)
EFFICIENCY
vs. OUTPUT POWER (fIN = 1kHz)
100
250kHz
90
80
70
500kHz 1MHz
60
50
40
125kHz
30
20
10
0
0
VCC = +5V
RL = 32Ω
0.1 0.2 0.3 0.4 0.5
OUTPUT POWER (W)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY
vs. OUTPUT POWER (fIN = 1kHz)
500kHz
250kHz
1MHz
125kHz
VCC = +3V
RL = 4Ω
0.2
0.4
0.6
0.8
OUTPUT POWER (W)
EFFICIENCY
vs. OUTPUT POWER (fIN = 1kHz)
100
500kHz
90
80
70
250kHz
1MHz
60
50
40
30
125kHz
20
10
0
0
VCC = +3V
RL = 8Ω
0.2
0.4
0.6
0.8
OUTPUT POWER (W)
EFFICIENCY
vs. OUTPUT POWER (fIN = 1kHz)
100
90 250kHz
80
70
60
1MHz 500kHz
50
40
30
125kHz
20
10
0
0
VCC = +3V
RL = 32Ω
0.05
0.10
0.15
0.20
OUTPUT POWER (W)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10 A: fOSC = 125kHz
B: fOSC = 250kHz
D
8 C: fOSC = 500kHz
D: fOSC = 1MHz
6
C
4
B
2
A
0
0
1
2
3
4
5
SUPPLY VOLTAGE (V)
6 _______________________________________________________________________________________
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