MAX98304 데이터 시트보기 (PDF) - Maxim Integrated
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MAX98304 Datasheet PDF : 12 Pages
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MAX98304
Mono 3.2W Class D Amplifier
Typical Operating Characteristics (continued)
(VPVDD = VSHDN = 5.0V, VPGND = 0V, AV = 6dB, RL = J, RL connected between OUT+ to OUT-, AC measurement bandwidth 20Hz
to 22kHz, TA = +25NC, unless otherwise noted.)
100
90
80
70
60
50
40
30
20
10
0
0
EFFICIENCY vs. OUTPUT POWER
VPVDD = 3.7V
ZLOAD = 8I + 68µH
ZLOAD = 4I + 33µH
0.5
1.0
1.5
2.0
OUTPUT POWER (W)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
POWER-SUPPLY REJECTION
RATIO vs. FREQUENCY
0
-10
VRIPPLE = 200mVP-P
ZLOAD = 8I + 68µH
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
100
1k
10k
100k
FREQUENCY (Hz)
POWER-SUPPLY REJECTION
RATIO vs. SUPPLY VOLTAGE
0
-10
f = 1kHz
VRIPPLE = 200mVP-P
-20
-30
-40
-50
-60
-70
-80
-90
-100
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
COMMON-MODE REJECTION RATIO
vs. FREQUENCY
100
ZLOAD = 8I + 68µH
90
80
AV = 9dB
AV = 6dB
70
60
50
AV = 12dB AV = 3dB AV = 0dB
40
30
20
10
0
10
100
1k
10k
100k
FREQUENCY (Hz)
STARTUP RESPONSE
MAX98304 toc24
VSHDN
2V/div
SHUTDOWN RESPONSE
MAX98304 toc25
VSHDN
2V/div
ISPEAKER
100mA/div
ISPEAKER
100mA/div
1ms/div
6
1ms/div
Maxim Integrated
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