参数资料
型号: MAX98400AETX+
厂商: Maxim Integrated Products
文件页数: 22/26页
文件大小: 0K
描述: IC AMP AUDIO STEREO D 36TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: D 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 20W x 2 @ 8 欧姆
电源电压: 8 V ~ 28 V
特点: 消除爆音,差分输入,短路和热保护,关闭
安装类型: 表面贴装
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
封装/外壳: 36-WFQFN 裸露焊盘
包装: 管件
Stereo, High-Power, Class D Amplifiers
MAX98400A/MAX98400B
5
ELECTRICAL ChARACTERISTICS (continued)
(VPVDD = 18V, CIN = 1FF, VSHDN = 5V, LIM_TH = VS, TEMPLOCK = unconnected; G1 = GND, G2 = open (gain = 20.1dB), CREL
= 1FF, C1 = C2 = 1FF, RL = J, AC measurement bandwidth 20Hz to 20kHz, differential input signal, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25NC.) (Notes 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER STAGE
Shutdown to Full Operation
tSON
11
ms
Gain Accuracy
Q
0.8
Q
4
%
Left-to-Right Gain Matching
All gain settings
Q
2
%
Crosstalk
1kHz
-85
dB
10kHz
-68
Output Offset Voltage
VOS
TA = +25NC
Q
8
Q
45
mV
Click-and-Pop Level
KCP
Peak voltage,
32 samples/s,
A-weighted,
TA = +25NC (Notes 4, 5)
Into
shutdown
-47
dBV
Out of
shutdown
-56
PVDD Power-Supply Rejection
Ratio
PSRRPVDD
VPVDD = 8V to 28V
52
63
dB
1kHz, 100mVP-P ripple
67
10kHz, 100mVP-P ripple
57
VS Power-Supply Rejection Ratio
PSRRVS
VS = 4.75V to 5.5V
39
55
dB
1kHz, 100mVP-P ripple
50
10kHz, 100mVP-P ripple
40
MAX98400A Output Power
POUT
Stereo, RL = 8I, 10% THD+N,
fIN = 1kHz (Note 3)
22
W
Mono, RL = 4I, 10% THD+N,
fIN = 1kHz (Note 3)
44
MAX98400B Output Power
POUT
Stereo, RL = 8I, 10% THD+N,
fIN = 1kHz (Note 3)
15
Total Harmonic Distortion Plus
Noise
THD+N
POUT = 0.1W to POUT/2, fIN = 20Hz to
20kHz, RL = 8I
0.3
%
POUT/2, fIN = 1kHz, RL = 8I
0.03
Output Noise
VN
A-weighted
100
F
VRMS
Efficiency
E
POUT = 2x20W, RL = 8I (MAX98400A)
fIN = 1kHz (Note 3)
90
%
Current Limit
ILIM
3.5
5
A
Output FET Resistance
RDSON
0.4
I
Switching Frequency
fSW
265
330
395
kHz
Peak Output Voltage
VPVDD = 28V
20
26
V
LIMITER
Attack Time
VLIM_TH = 0V
240
500
F
s
Release Time
VLIM_TH = 0V
0.8
s
Maximum Trigger Level
VPVDD = 14V (Note 6)
4
dBFS
Minimum Trigger Level
(Note 7)
-6
dBFS
Trigger Level
VLIM_TH = 0V
-1
0
+1
dBFS
Compression Range
VLIM_TH = 0V
-12
dB
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