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ManualsBrandsMAXIM INTEGRATED ManualsLinear ICsLinear IC - Audio amplifier 1-channel (mono) Class AB uMAX 10
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MAX9718/MAX9719
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
6 _______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9718 toc13
OUTPUT POWER (mW)
THD+N (%)
100 300 400 500200
0.01
0.1
1
10
100
0.001
0600
f
IN
= 10kHz
f
IN
= 1kHz
f
IN
= 100Hz
V
CC
= 3V
R
L
= 4
Ω
A
V
= 2
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9718 toc14
OUTPUT POWER (mW)
THD+N (%)
100 300 400 500200
0.01
0.1
1
10
100
0.001
0600
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 10kHz
V
CC
= 3V
R
L
= 4
Ω
A
V
= 4
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9718 toc15
OUTPUT POWER (mW)
THD+N (%)
100 300 400 500200
0.01
0.1
1
10
100
0.001
0600
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 10kHz
V
CC
= 3V
R
L
= 8
Ω
A
V
= 2
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9718 toc16
OUTPUT POWER (mW)
THD+N (%)
100 300 400 500200
0.01
0.1
1
10
100
0.001
0
f
IN
= 1kHz
f
IN
= 100Hz
f
IN
= 10kHz
V
CC
= 3V
R
L
= 8
Ω
A
V
= 4
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. COMMON-MODE VOLTAGE
MAX9718 toc17
COMMON-MODE VOLTAGE (V)
THD+N (%)
13452
0.001
0.01
0.0001
0
V
CC
= 5V
P
O
= 200mW
A
V
= 2
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. COMMON-MODE VOLTAGE
MAX9718 toc18
COMMON-MODE VOLTAGE (V)
THD+N (%)
0.5 1.5 2.0 2.5 3.01.0
0.001
0.01
0.0001
0
V
CC
= 3V
P
O
= 200mW
A
V
= 2
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9718 toc19
SUPPLY VOLTAGE (V)
OUTPUT POWER
5.04.54.03.53.0
0.5
1.0
1.5
2.0
2.5
0
2.5 5.5
R
L
= 4
Ω
f = 1kHz
A
V
= 2
THD+N = 10%
THD+N = 1%
OUTPUT POWER
vs. SUPPLY VOLTAGE
MAX9718 toc20
SUPPLY VOLTAGE (V)
OUTPUT POWER (W)
5.04.54.03.53.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
2.5 5.5
R
L
= 8
Ω
f = 1kHz
A
V
= 2
THD+N = 10%
THD+N = 1%
OUTPUT POWER
vs. LOAD RESISTANCE
MAX9718 toc21
LOAD RESISTANCE (Ω)
OUTPUT POWER (W)
10010
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
1
V
CC
= 5V
f = 1kHz
A
V
= 2
THD+N = 10%
THD+N = 1%
Typical Operating Characteristics (continued)
(V
CC
= 5V, C
BIAS
= 0.1μF, THD+N measurement bandwidth = 22Hz to 22kHz, T
A
= +25°C, unless otherwise noted.)