Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
Typical Operating Characteristics (continued)
(VCC = 5V, CBIAS = 0.1µF, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
CROSSTALK
vs. FREQUENCY
0
-10
VCC = 5V
VRIPPLE = 200mVP-P
-20 RL = 8Ω,
-30 CBIAS = 1µF
-40
-50
-60
-70
CHANNEL 2
-80
-90
-100
CHANNEL 1
-110
-120
10
100
1k
10k
100k
FREQUENCY (Hz)
CROSSTALK
vs. FREQUENCY
0
-10
VCC = 3V
VRIPPLE = 200mVP-P
-20 RL = 8Ω
-30 CBIAS = 1µF
-40
-50
-60
-70
CHANNEL 2
-80
-90
-100
-110
-120
10
CHANNEL 1
100
1k
10k
100k
FREQUENCY (Hz)
ENTERING SHUTDOWN
MAX9718 toc33
CBIAS = 0.1µF
VCC = 3V
RL = 8Ω
SHDN
2V/div
OUT+
1V/div
100µs/div
OUT-
1V/div
OUT+ - OUT-
200mV/div
EXITING SHUTDOWN
MAX9718 toc34
CBIAS = 0.1µF
VCC = 3V
RL = 8Ω
SHDN
2V/div
OUT+
1V/div
OUT-
1V/div
4ms/div
OUT+ - OUT-
200mV/div
ENTERING POWER-DOWN
MAX9718 toc35
CBIAS = 0.1µF
VCC = 3V
RL = 8Ω
SHDN
1V/div
OUT+
1V/div
100µs/div
OUT-
1V/div
OUT+ - OUT-
200mV/div
EXITING POWER-DOWN
MAX9718 toc36
CBIAS = 0.1µF
VCC = 3V
RL = 8Ω
4ms/div
SHDN
2V/div
OUT+
1V/div
OUT-
1V/div
OUT+ - OUT-
200mV/div
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