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参数资料
型号： MAX98314EWL+T
厂商： Maxim Integrated Products
文件页数： 10/14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 5
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)
Note 2: All devices are 100% production tested at TA = +25NC. Specifications over temperature limits are guaranteed by design.
Note 3: Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For RL = 4I,
L = 33FH. For RL = 8I, L = 68FH.
Note 4: Amplifier inputs AC-coupled to ground.
Note 5: Mode transitions controlled by SHDN control pin.
Typical Operating Characteristics
(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.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Thermal Hysteresis
15
N
C
DIGITAL INPUT (SHDN)
Input Voltage High
VINH
VPVDD = 2.5V to 5.5V
1.4
V
Input Voltage Low
VINL
VPVDD = 2.5V to 5.5V
0.4
V
Input Leakage Current
TA = +25NC
Q
1
F
A
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX98314
toc01
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VPVDD = 5V
ZLOAD = 4I + 33H
POUT = 2W
POUT = 1.5W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX98314
toc02
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VPVDD = 4.2V
ZLOAD = 4I + 33H
POUT = 1W
POUT = 0.5W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX98314
toc03
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VPVDD = 3.7V
ZLOAD = 4I + 33H
POUT = 0.8W
POUT = 0.2W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX98314
toc04
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VPVDD = 5V
ZLOAD = 8I + 68H
POUT = 1.2W
POUT = 0.2W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX98314
toc05
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VPVDD = 4.2V
ZLOAD = 8I + 68H
POUT = 0.6W
POUT = 0.3W
TOTAL HARMONIC DISTORTION PLUS
NOISE vs. FREQUENCY
MAX98314
toc06
FREQUENCY (Hz)
THD+N
(%)
10k
1k
100
0.01
0.1
1
10
0.001
10
100k
VPVDD = 3.7V
ZLOAD = 8I + 68H
POUT = 0.2W
POUT = 0.4W
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