MAX9888 Просмотр технического описания (PDF) - Maxim Integrated

Номер в каталоге

Компоненты Описание

производитель

MAX9888

Stereo Audio CODEC with FLEXSOUND Technology

Maxim Integrated 

Stereo Audio CODEC

with FLEXSOUND Technology

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = VHPVDD = 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 GND. RHP = J, RREC = J, ZSPK = J, CREF = 2.2FF, CMICBIAS = CPREG = CREG = 1FF, CC1N-C1P = 1FF, CHPVSS

= 1FF. AVMICPRE_ = +20dB, AVMICPGA_ = 0dB, AVDACATTN = 0dB, AVDACGAIN = 0dB, AVADCLVL = 0dB, AVADCGAIN = 0dB,

AVPGAIN_ = 0dB, AVPGAOUT_ = 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 TA = +25NC.) (Note 1)

PARAMETER

Passband Ripple

SYMBOL

f < fPLP

CONDITIONS

Stopband Cutoff

fSLP

Stopband Attenuation

f < fSLP

ADC STEREO AUDIO MODE DC-BLOCKING HIGHPASS FILTER (MODE1 = 1)

MIN TYP MAX UNITS

-0.1

+0.1 dB

0.417

x fs

Hz

60

dB

Passband Cutoff

(-3dB from Peak)

fAHPPB AVFLT ≠ 000

0.000125

x fs

Hz

DC Attenuation

DCAtten AVFLT ≠ 000

MICROPHONE AUTOMATIC GAIN CONTROL

AGC Hold Duration

AGCHLD = 01

AGCHLD = 11

AGC Attack Time

AGCATK = 00

AGCATK = 11

AGC Release Time

AGCRLS = 000

AGCRLS = 111

AGC Threshold Level

AGCTH = 0x0 to 0xF

AGC Threshold Step Size

AGC Gain

(Note 5)

ADC NOISE GATE

NG Threshold Level

ANTH = 0x3 to 0xF, referred to 0dBFS

NG Attenuation

(Note 5)

ADC-TO-DAC DIGITAL SIDETONE (MODE = 0)

Sidetone Gain Adjust Range

DVST = 0x01

AVSTGA DVST = 0x1F

Sidetone Gain Adjust Step Size

Sidetone Path Phase Delay

1kHz, 0dB input, highpass 8kHz

filter disabled

16kHz

ADC-TO-DAC DIGITAL LOOP-THROUGH PATH

90

dB

50

ms

400

2

ms

123

0.078

s

10

-3

+18 dB

1

dB

0

20

dB

-64

-16

dB

0

12

dB

-0.5

dB

-60.5

2

dB

2.2

ms

1.1

Dynamic Range (Note 4)

DR

fS = 48kHz, MCLK = 12.288MHz, MODE = 1

(FIR audio)

89

dB

Total Harmonic Distortion

THD

f = 1kHz, fS = 48kHz, MCLK = 12.288MHz,

MODE = 1 (FIR audio)

-71

-66

dB

DAC LEVEL CONTROL

DAC Attenuation Range

DAC Attenuation Step Size

DAC Gain Adjust Range

DAC Gain Adjust Step Size

AVDACATTN DV1DV2 = 0xF to 0x0 (Note 5)

AVDACGAIN DV1G = 00 to 11 (Note 5)

-15

1

0

6

0

dB

dB

18

dB

dB

11

Share Link: