MAX9880A 데이터 시트보기 (PDF) - Maxim Integrated

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MAX9880A

Low-Power, High-Performance Dual I2S Stereo Audio Codec

Maxim Integrated 

Low-Power, High-Performance

Dual I2S Stereo Audio Codec

ELECTRICAL CHARACTERISTICS (continued)

(VAVDD = VPVDD = VMICVDD = VDVDD = VDVDDS1 = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN, dif-

ferential modes, CREF = 2.2µF, CMICBIAS = CPREG = CREG = 1µF, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB,

AVVOL = 0dB, AVLO = 0dB, fMCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP MAX UNITS

Line Input Mute

Attenuation

Input Resistance

Total Harmonic

Distortion + Noise

f = 1kHz

RIN_LINE AVLINE = +24dB

THD+N VIN = 0.1VP-P, f = 1kHz

100

dB

20

k

-74

dB

AUXIN INPUT

Input DC Voltage Range

AUXEN = 1

AUXIN Input Resistance RIN AUXEN = 1, 0V  VAUXIN  0.738V

JACK DETECT

0

0.738

V

10

40

M

JACKSNS High

Threshold

JACKSNS Low

Threshold

JACKSNS Sense

Voltage

VTH1

SHDN = 1

SHDN = 0

VTH2

SHDN = 1

SHDN = 0

VSENSE SHDN = 0

0.92 x 0.95 x 0.98 x

VMICBIAS VMICBIAS VMICBIAS

V

0.95 x

VMICVDD

D

0.06 x 0.10 x 0.17 x

VMICBIAS VMICBIAS VMICBIAS

V

0.08 x

VMICVDD

VMICVDD

V

JACKSNS Sense

Resistance

RSENSE SHDN = 0

1.9

2.3

3.1

k

JACKSNS Deglitch

Period

tGLITCH

12

300

ms

Headphone Sense

Threshold

8

1-BIT SPDM OUTPUT

Dynamic Range

(Note 5)

DR

fS = 48kHz, A-weighted, 20Hz to 20kHz,

AVVOL = 0dB; master or slave mode, TA = +25°C

90

dB

Output Operational

Range

0dB signal 1’s density

25

75

%

DIGITAL SIDETONE (MODE = 1 IIR Voice Mode Only)

Sidetone Gain Adjust

Range

Voice Path Phase Delay

AVSTGA Differential output mode

PDLY

MIC input to headphone

output, f = 1kHz, HP filter

disabled

fS = 8kHz

fS = 16kHz

-60

2.2

1.1

0

dB

ms

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