MAX9715 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX9715 Datasheet PDF : 13 Pages
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2.8W, Low-EMI, Stereo, Filterless Class D
Audio Amplifier
Typical Operating Characteristics (continued)
(VDD = 5.0V, CVDD = 3 x 0.1μF, CBIAS = 1μF, CINL = CINR = 1μF, AV = +10.5dB, TA = +25°C, unless otherwise noted.) (See the
Typical Operating Circuit/Functional Diagram)
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. OUTPUT POWER
100
fIN = 1kHz
10
fIN = 20Hz
1
0.1
0.01
0.001
0
fIN = 10kHz
VDD = 5V
RL = 8Ω
0.5 1.0 1.5 2.0 2.5
OUTPUT POWER (W)
EFFICIENCY
vs. SUPPLY VOLTAGE
100
90
RL = 8Ω
80
70
RL = 4Ω
60
50
40
30
fIN = 1kHz
20 POUT = POUTL + POUTR
10
OUTPUTS IN-PHASE
THD+N = 1%
0
4.5
4.8
5.0
5.3
5.5
SUPPLY VOLTAGE (V)
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4.5
OUTPUT POWER
vs. SUPPLY VOLTAGE
THD+N = 10%
THD+N = 1%
fIN = 1kHz
RL = 4Ω
4.8
5.0
5.3
5.5
SUPPLY VOLTAGE (V)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY
vs. OUTPUT POWER
RL = 8Ω
RL = 4Ω
VDD = 5V
fIN = 1kHz
POUT = POUTL + POUTR
OUTPUTS IN-PHASE
1
2
34
5
6
OUTPUT POWER (W)
OUTPUT POWER
vs. LOAD RESISTANCE
4.0
3.5
VDD = 5V
fIN = 1kHz
3.0
LLOAD = 33μH
2.5
THD+N = 10%
2.0
1.5
1.0
0.5
THD+N = 1%
0
1
10
100
1k
LOAD RESISTANCE (Ω)
OUTPUT POWER
vs. SUPPLY VOLTAGE
2.5
THD+N = 10%
2.0
1.5
THD+N = 1%
1.0
0.5
0
4.5
fIN = 1kHz
RL = 8Ω
4.8
5.0
5.3
5.5
SUPPLY VOLTAGE (V)
4 _______________________________________________________________________________________
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