MAX98088 데이터 시트보기 (PDF) - Maxim Integrated

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MAX98088

Stereo Audio Codec with FLEXSOUND Technology

Maxim Integrated 

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

MIN TYP MAX UNITS

STEREO AUDIO MODE FIR LOWPASS FILTER (MODE1 = 1, DHF1/DHF2 = 1 for LRCLK > 50kHz)

Passband Cutoff

Ripple limit cutoff

fPLP

-3dB cutoff

0.24 x fS

Hz

0.31 x fS

Passband Ripple

f < fPLP

-0.1

+0.1 dB

Stopband Cutoff

fSLP

0.477 x fS Hz

Stopband Attenuation

(Note 6)

f < fSLP

60

dB

STEREO AUDIO MODE DC BLOCKING HIGHPASS FILTER

Passband Cutoff

(-3dB from Peak)

fDHPPB

DC Attenuation

DCATTEN

AUTOMATIC LEVEL CONTROL

Dual Band Lowpass Corner

Frequency

DVFLT ≠ 000 (DAI1), DCB2 = 1 (DAI2)

DVFLT ≠ 000 (DAI1), DCB2 = 1 (DAI2)

ALCMB = 1

0.000104

x fS

Hz

90

dB

5

kHz

Dual Band Highpass Corner

Frequency

ALCMB = 1

5

kHz

Gain Range

Low-Signal Threshold

Release Time

PARAMETRIC EQUALIZER

Number of Bands

Per Band Gain Range

Preattenuator Gain Range

Preattenuator Step Size

DAC TO RECEIVER AMPLIFIER PATH

Dynamic Range

DR

Total Harmonic Distortion +

Noise

THD+N

Power-Supply Rejection Ratio PSRR

Click-and-Pop Level

KCP

ALCTH = 111 to 001

ALCRLS = 101

ALCRLS = 000

(Note 5)

fS = 48kHz, f = 1kHz (Note 4)

f = 1kHz, POUT = 15mW, RREC = 32I

VSPKLVDD = 2.8V to 5.5V, TA = +25NC

f = 217Hz, VRIPPLE = 200mVP-P

f = 1kHz, VRIPPLE = 200mVP-P

f = 10kHz, VRIPPLE = 200mVP-P

Peak voltage, A-weighted, 32 Into shutdown

samples per second, AVREC =

0dB

Out of shutdown

0

12

dB

-48

-12 dBFS

0.25

s

8

5

Bands

-12

+12 dB

-15

0

dB

1

dB

96

dB

-70 -63

dB

64

75

-59

dB

-59

-59

-68

dBV

-72

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