MAX97220A 查看數據表（PDF） - Unspecified
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MAX97220A Datasheet PDF : 19 Pages
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Differential Input DirectDrive
Line Drivers/Headphone Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(VPVDD = VSVDD = VSVDD2 = 5V, VPGND = VSGND = 0V, CBIAS = 0.1µF, C1 = C2 = 1µF, RIN = 20kω, RF = 20kω (MAX97220A/
MAX97220B/MAX97220E), typical values tested at TA = +25°C, unless otherwise noted.) (Notes 2 and 3)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
VPVDD = VSVDD_ =
2.5V to 5.5V
A/B/E versions
74
90
Power-Supply Rejection Ratio
PSRR
VPVDD = VSVDD_ =
2.5V to 5.5V
C/D versions
73
90
dB
fIN = 217Hz, 200mVP-P ripple
78
fIN = 10kHz, 200mVP-P ripple
63
-VPVDD/2 P VCM P
+VPVDD/2
A/B/E versions 70
86
Common-Mode Rejection Ratio
CMRR
dB
-0.75 x VPVDD P VCM P
+0.75 x VPVDD
C/D versions
45
60
1kHz, 600I load, THD+N < 0.1%
3
Output Voltage Swing
Output Power
VOUT
1kHz, RL = 600I load,
VPVDD = VSVDD_ = 3.3V, THD+N < 0.1%
2.15
1kHz, RL = 10kI load, THD+N < 0.1%
3.5
POUT
RL = 16I, THD+N = 1%
RL = 32I, THD+N = 1%
40
110
125
1kHz, 22Hz to 22kHz BW, VOUT = 3VRMS,
RL = 10kI
103
VRMS
mW
10kHz, 22Hz to 22kHz BW,
VOUT = 3VRMS, RL = 10kI
90
dB
Total Harmonic Distortion Plus
Noise
THD+N
1kHz, 22Hz to 22kHz BW, VOUT = 2VRMS,
RL = 600I
80
105
10kHz, 22Hz to 30kHz BW,
VOUT = 2VRMS, RL = 600I
94
1kHz, 22Hz to 22kHz BW, POUT = 20mW,
RL = 32I
0.0035
%
Signal-to-Noise Ratio
VOUT = 3VRMS, THD+N =
0.1%, A-weighted, RIN = RF
112.5
= 10kI, RL = 1kI
A/B/E
versions
VOUT = 2VRMS, VPVDD
= 3.3V, THD+N = 0.1%,
A-weighted, RIN = RF =
109
SNR
10kI, RL = 600I
dB
VOUT = 3VRMS, THD+N =
0.1%, A-weighted,
106
C/D
RL = 1kI
versions
VOUT = 2VRMS, VPVDD
= 3.3V, THD+N = 0.1%,
103
A-weighted, RL = 600I
3
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