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参数资料
| 型号： | MAX98314EWL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/14页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 3.2W MONO D 9WLP |
| 标准包装： | 2,500 |
| 类型： | D 类 |
| 输出类型： | 1-通道（单声道） |
| 在某负载时最大输出功率 x 通道数量： | 3.2W x 1 @ 4 欧姆 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，短路和热保护，关闭 |
| 安装类型： | * |
| 供应商设备封装： | * |
| 封装/外壳： | * |
| 包装： | * |
Maxim Integrated Products 4
MAX98314
Mono 3.2W Class D Amplifier
with Integrated Input Coupling Capacitors
ELECTRICAL CHARACTERISTICS (continued)
(VPVDD = VSHDN = VGAIN = 5V, VPGND = 0V, AV = 6dB (GAIN = PVDD), RL = J, RL connected between OUT+ to OUT-, AC measure-
ment bandwidth 20Hz to 22kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25NC.) (Note 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Common-Mode Rejection Ratio
CMRR
fIN = 1kHz, input referred
67
dB
Output Offset Voltage
VOS
TA = +25NC (Note 4)
Q
1
Q
3
mV
Click-and-Pop Level
KCP
RL = 8I + 68FH, peak
voltage, TA = +25NC,
A-weighted, 32
samples per second,
TA = +25NC (Notes 4, 5)
Into shutdown
-59
dBV
Out of shutdown
-82
Power-Supply Rejection Ratio
(Note 4)
PSRR
VPVDD = 2.5V to 5.5V, TA = +25NC
70
90
dB
VRIPPLE = 200mVP-P
f = 217Hz
74
f = 1kHz
72
f = 20kHz
49
Output Power
POUT
THD+N = 10%
f = 1kHz
RL = 4I + 33FH
VPVDD = 5.0V
3.2
W
VPVDD = 4.2V
2.2
VPVDD = 3.7V
1.7
THD+N = 1%
f = 1kHz
RL = 4I + 33FH
VPVDD = 5.0V
2.6
VPVDD = 4.2V
1.8
VPVDD = 3.7V
1.4
THD+N = 10%
f = 1kHz
RL = 8I + 68FH
VPVDD = 5.0V
1.8
VPVDD = 4.2V
1.2
VPVDD = 3.7V
0.96
THD+N = 1%
f = 1kHz
RL = 8I + 68FH
VPVDD = 5.0V
1.4
VPVDD = 4.2V
1
VPVDD = 3.7V
0.8
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz
RL = 4I,
POUT = 1W
0.03
0.1
%
RL = 8I
POUT = 0.725W
0.03
Output Noise
VN
A-weighted (Note 4)
AV = 12dB
31
F
VRMS
AV = 9dB
26
AV = 6dB
23
AV = 3dB
21
AV = 0dB
19
Efficiency
E
RL = 8I, POUT = 1.8W, f = 1kHz
93
%
Oscillator Frequency
fOSC
300
kHz
Spread-Spectrum Bandwidth
20
kHz
Current Limit
2.8
A
Thermal Shutdown Level
155
N
C
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