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
DAC TO SPEAKER AMPLIFIER PATH
CONDITIONS
Total Harmonic Distortion +
Noise
THD+N f = 1kHz, POUT = 200mW, ZSPK = 8I + 68FH
Crosstalk
Output Noise
SPKL to SPKR and SPKR to SPKL,
POUT = 640mW, f = 1kHz
Click-and-Pop Level
Peak voltage, A-weighted,
KCP 32 samples per second,
AVSPK_ = 0dB
Into shutdown
Out of shutdown
MIC INPUT TO SPEAKER AMPLIFIER PATH
Dynamic Range (Note 4)
DR Referenced to full-scale output level, AVSPK_ = 0dB
Total Harmonic Distortion +
Noise
THD+N f = 1kHz, POUT = 200mW, RL = 8I + 68FH
Click-and-Pop Level
Peak voltage, A-weighted, 32 Into shutdown
KCP samples per second, AVSPK_
= 0dB
Out of shutdown
SPEAKER AMPLIFIER
Output Power
Full-Scale Output
Volume Control
Volume Control Step Size
Mute Attenuation
Output Offset Voltage
POUT
AVSPK_
VOS
f = 1kHz,
THD = 1%,
ZSPK = 8I +
68FH
VSPKLVDD = VSPKRVDD = 5.0V
VSPKLVDD = VSPKRVDD = 4.2V
VSPKLVDD = VSPKRVDD = 3.7V
VSPKLVDD = VSPKRVDD = 3.2V
(Note 7)
(Note 5)
SPVOLL/SPVOLR = 0x00
SPVOLL/SPVOLR = 0x1F
+8dB to +6dB
+6dB to +0dB
0dB to -14dB
-14dB to -38dB
-38dB to -64dB
f = 1kHz
AVSPK_ = -61dB, TA = +25NC
MIN TYP MAX UNITS
-68
dB
-88
dB
53
FVRMS
65
dBV
66
82
dB
71
dB
55
dBV
52
1323
914
mW
700
514
2
VRMS
-62
dB
+8
0.5
1
2
dB
3
4
86
dB
Q0.5 Q3
mV
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