Datasheet

MAX9710/MAX9711
3W Mono/Stereo BTL Audio Power Amplifiers
with Shutdown
4 _______________________________________________________________________________________
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9710/11 toc10
OUTPUT POWER (W)
THD+N (%)
2.5 3.01.5 2.01.00.5
0.01
0.1
1
10
100
0.001
0 3.5
A
V
= -4V/V
R
L
= 4Ω
f = 20Hz
f = 10kHz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9710/11 toc11
OUTPUT POWER (W)
THD+N (%)
1.5 2.01.00.5
0.01
0.1
1
10
100
0.001
0
A
V
= -2V/V
R
L
= 8Ω
f = 20Hz
f = 10kHz
f = 1kHz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs. OUTPUT POWER
MAX9710/11 toc12
OUTPUT POWER (W)
THD+N (%)
1.5 2.01.00.5
0.01
0.1
1
10
100
0.001
0
A
V
= -4V/V
R
L
= 8Ω
f = 20Hz
f = 10kHz
f = 1kHz
OUTPUT POWER
vs. TEMPERATURE
MAX9710/11 toc13
TEMPERATURE (°C)
OUTPUT POWER (W)
603510-15
1
2
3
4
0
-40 85
THD+N = 10%
THD+N = 1%
f = 1kHz
R
L
= 3Ω
OUTPUT POWER
vs. TEMPERATURE
MAX9710/11 toc14
TEMPERATURE (°C)
OUTPUT POWER (W)
603510-15
1
2
3
4
0
-40 85
THD+N = 10%
THD+N = 1%
f = 1kHz
R
L
= 4Ω
OUTPUT POWER
vs. TEMPERATURE
MAX9710/11 toc15
TEMPERATURE (°C)
OUTPUT POWER (W)
603510-15
0.5
1.0
1.5
2.0
0
-40 85
THD+N = 10%
THD+N = 1%
f = 1kHz
R
L
= 8Ω
OUTPUT POWER vs. LOAD RESISTANCE
(FORCED-AIR COOLING)
MAX9710/11 toc16
LOAD RESISTANCE (Ω)
OUTPUT POWER (W)
10010
1
2
3
4
5
0
1 1000
THD+N = 10%
THD+N = 1%
V
DD
= 5V
f = 1kHz
POWER DISSIPATION
vs. OUTPUT POWER
MAX9710/11 toc17
OUTPUT POWER (W)
POWER DISSIPATION (W)
2.01.50.5 1.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0
0 2.5
R
L
= 4Ω
f = 1kHz
POWER DISSIPATION
vs. OUTPUT POWER
MAX9710/11 toc18
OUTPUT POWER (W)
POWER DISSIPATION (W)
1.000.750.25 0.50
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
0 1.501.25
R
L
= 8Ω
f = 1kHz
Typical Operating Characteristics (continued)
(V
DD
= 5V, THD+N measurement bandwidth = 22Hz to 22kHz, T
A
= +25°C, unless otherwise noted.)