MAX98400A 데이터 시트보기 (PDF) - Maxim Integrated
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MAX98400A Datasheet PDF : 26 Pages
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Stereo, High-Power, Class D Amplifiers
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
Gain Accuracy
tSON
11
ms
Q0.8 Q4
%
Left-to-Right Gain Matching
All gain settings
Q2
%
Crosstalk
1kHz
10kHz
-85
dB
-68
Output Offset Voltage
VOS
TA = +25NC
Q8 Q45
mV
Click-and-Pop Level
Peak voltage,
Into
KCP
32 samples/s,
A-weighted,
shutdown
Out of
TA = +25NC (Notes 4, 5) shutdown
-47
-56
dBV
PVDD Power-Supply Rejection
Ratio
VS Power-Supply Rejection Ratio
PSRRPVDD
PSRRVS
VPVDD = 8V to 28V
1kHz, 100mVP-P ripple
10kHz, 100mVP-P ripple
VS = 4.75V to 5.5V
1kHz, 100mVP-P ripple
10kHz, 100mVP-P ripple
52
63
67
dB
57
39
55
50
dB
40
MAX98400A Output Power
POUT
Stereo, RL = 8I, 10% THD+N,
fIN = 1kHz (Note 3)
Mono, RL = 4I, 10% THD+N,
fIN = 1kHz (Note 3)
22
44
W
MAX98400B Output Power
POUT
Stereo, RL = 8I, 10% THD+N,
fIN = 1kHz (Note 3)
15
Total Harmonic Distortion Plus
Noise
Output Noise
THD+N
VN
POUT = 0.1W to POUT/2, fIN = 20Hz to
20kHz, RL = 8I
POUT/2, fIN = 1kHz, RL = 8I
A-weighted
0.3
%
0.03
100
FVRMS
Efficiency
E
POUT = 2x20W, RL = 8I (MAX98400A)
fIN = 1kHz (Note 3)
90
%
Current Limit
Output FET Resistance
Switching Frequency
Peak Output Voltage
LIMITER
ILIM
RDSON
fSW
VPVDD = 28V
3.5
5
A
0.4
I
265 330 395
kHz
20
26
V
Attack Time
Release Time
Maximum Trigger Level
Minimum Trigger Level
VLIM_TH = 0V
VLIM_TH = 0V
VPVDD = 14V (Note 6)
(Note 7)
240 500
Fs
0.8
s
4
dBFS
-6
dBFS
Trigger Level
Compression Range
VLIM_TH = 0V
VLIM_TH = 0V
-1
0
+1
dBFS
-12
dB
5
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