Datasheet

MAX9718/MAX9719
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
8 _______________________________________________________________________________________
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.)
CROSSTALK
vs. FREQUENCY
MAX9718 toc31
FREQUENCY (Hz)
CROSSTALK (dB)
10k1k100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
-110
-120
10 100k
CHANNEL 2
CHANNEL 1
V
CC
= 3V
V
RIPPLE
= 200mV
P-P
R
L
= 8Ω
C
BIAS
= 1μF
ENTERING SHUTDOWN
MAX9718 toc32
100μs/div
C
BIAS
= 0.1μF
V
CC
= 3V
R
L
= 8Ω
SHDN
2V/div
OUT+
1V/div
OUT-
1V/div
OUT+ - OUT-
200mV/div
EXITING SHUTDOWN
MAX9718 toc33
4ms/div
C
BIAS
= 0.1μF
V
CC
= 3V
R
L
= 8Ω
SHDN
2V/div
OUT+
1V/div
OUT-
1V/div
OUT+ - OUT-
200mV/div
ENTERING POWER-DOWN
MAX9718 toc34
100μs/div
C
BIAS
= 0.1μF
V
CC
= 3V
R
L
= 8Ω
SHDN
1V/div
OUT+
1V/div
OUT-
1V/div
OUT+ - OUT-
200mV/div
EXITING POWER-DOWN
MAX9718 toc35
SHDN
2V/div
OUT+
1V/div
OUT-
1V/div
4ms/div
C
BIAS
= 0.1μF
V
CC
= 3V
R
L
= 8Ω
OUT+ - OUT-
200mV/div
CROSSTALK
vs. FREQUENCY
MAX9718 toc30
FREQUENCY (Hz)
CROSSTALK (dB)
10k1k100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
-110
-120
10 100k
CHANNEL 2
CHANNEL 1
V
CC
= 5V
V
RIPPLE
= 200mV
P-P
R
L
= 8Ω
C
BIAS
= 1μF