MAX98088 데이터 시트보기 (PDF) - Maxim Integrated
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MAX98088 Datasheet PDF : 123 Pages
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MAX98088
Stereo Audio Codec
with FlexSound Technology
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VDVDD = VDVDDS1 = VDVDDS2 = +1.8V, VSPKLVDD = VSPKRVDD = 3.7V. Speaker loads (ZSPK) connected between
SPK_P and SPK_N. Receiver load (RREC) connected between RECP and RECN. Headphone loads (RHP) connected from HPL or HPR
to HPGND. Line out loads (RLOAD) connected from LOUTL or LOUTR to SPKLGND. RLOAD = RHP = J, RREC = J, ZSPK = J, CREF
= 2.2FF, CMICBIAS = CREG = 1FF, CC1N-C1P = 1FF, CHPVDD = CHPVSS = 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN
= 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB, AVADCGAIN = 0dB, AVPGAIN_ = 0dB, AVHP_ = 0dB, AVREC = 0dB, AVSPK_ = 0dB,
MCLK = 12.288MHz, LRCLK = 48kHz, MAS = 1. TA = TMIN to TMAX, unless otherwise noted. Typical values are at +25NC.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
DAC DIGITAL FILTERS
VOICE MODE IIR LOWPASS FILTER (MODE1 = 0)
Passband Cutoff
Ripple limit cutoff
fPLP -3dB cutoff
Passband Ripple
f < fPLP
Stopband Cutoff
fSLP
Stopband Attenuation (Note 6)
f > fSLP
VOICE MODE IIR HIGHPASS FILTER (MODE1 = 0)
DVFLT = 0x1 (Elliptical tuned for fS = 16kHz +
217Hz notch)
DVFLT = 0x2 (500Hz Butterworth tuned for fS =
16kHz)
Passband Cutoff
(-3dB from Peak)
fDHPPB
DVFLT = 0x3 (Elliptical tuned for fS = 8kHz +
217Hz notch)
DVFLT = 0x4 (500Hz Butterworth tuned for fS =
8kHz)
DVFLT = 0x5 (fs/240 Butterworth)
DVFLT = 0x1 (Elliptical tuned for fS = 16kHz +
217Hz notch)
MIN TYP MAX UNITS
0.448 x fS
Hz
0.451 x fS
-0.1
+0.1 dB
0.476 x fS Hz
75
dB
0.0139 x fS
0.0161
x fS
0.0312
x fS
0.0321
x fS
Hz
0.0625
x fS
0.0042
x fS
DVFLT = 0x2 (500Hz Butterworth tuned for fS =
16kHz)
0.0156 x fS
Stopband Cutoff
(-30dB from Peak)
fDHPSB DVFLT = 0x3 (Elliptical tuned for fS = 8kHz +
217Hz notch)
0.0279 x fS
Hz
DVFLT = 0x4 (500Hz Butterworth tuned for fS =
8kHz)
0.0312 x fS
DVFLT = 0x5 (fS/240 Butterworth)
0.0021 x fS
DC Attenuation
DCATTEN DVFLT ≠ 000
85
dB
STEREO AUDIO MODE FIR LOWPASS FILTER (MODE1 = 1, DHF1/DHF2 = 0, LRCLK < 50kHz)
Ripple limit cutoff
Passband Cutoff
fPLP -3dB cutoff
-6.02dB cutoff
Passband Ripple
f < fPLP
Stopband Cutoff
fSLP
Stopband Attenuation (Note 6)
f > fSLP
0.43 x fS
0.47 x fS
0.5 x fS
-0.1
60
Hz
+0.1 dB
0.58 x fS Hz
dB
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