Dual I2S Stereo Audio Codec 8 _____________" />
參數(shù)資料
型號: MAX9880AETM+T
廠商: Maxim Integrated Products
文件頁數(shù): 69/70頁
文件大?。?/td> 0K
描述: IC CODEC AUDIO STEREO 48TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 立體聲音頻
數(shù)據(jù)接口: I²C,I²S,串行,SPI?
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 82 / 96
電壓 - 電源,模擬: 1.65 V ~ 1.95 V
電壓 - 電源,數(shù)字: 1.65 V ~ 1.95 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFN-EP(6x6)
包裝: 帶卷 (TR)
MAX9880A
Low-Power, High-Performance
Dual I2S Stereo Audio Codec
8
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VMICVDD = VDVDD = VDVDDS1 = +1.8V, RL =
∞, headphone load (RL) connected between _OUTP and _OUTN, dif-
ferential modes, CREF = 2.2F, CMICBIAS = CPREG = CREG = 1F, 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
MICROPHONE AMPLIFIER
PALEN/PAREN = 01
-0.5
0
+0.5
PALEN/PAREN = 10
19.5
20
20.5
Preamplifier Gain
AVPRE
PALEN/PAREN = 11
29.3
30
30.5
dB
PGAML/PGAMR = 0x1F
-0.5
0
+0.6
MIC PGA Gain
AVPGAM
PGAML/PGAMR = 0x00
19.3
19.9
20.4
dB
Common-Mode
Rejection Ratio
CMRR
VIN = 100mVP-P, f = 217Hz
50
dB
MIC Input Resistance
RIN_MIC
All gain settings
30
50
k
AVPRE = 0dB
VIN = 1VP-P, f = 1kHz, A-weighted
-80
Total Harmonic
Distortion + Noise
THD+N
AVPRE = +30dB
VIN = 32mVP-P, f = 1kHz, A-weighted
-65
dB
VAVDD = 1.65V to 1.95V, input referred
60
80
f = 217Hz, VRIPPLE = 100mV, AVADC = 0dB, input
referred
80
f = 1kHz, VRIPPLE = 100mV, AVADC = 0dB, input
referred
78
Power-Supply Rejection
Ratio
PSRR
f = 10kHz, VRIPPLE = 100mV, AVADC = 0dB, input
referred
72
dB
MICROPHONE BIAS
VMICVDD = 1.8V, MBIAS = 0
1.48
1.52
1.56
MICBIAS Output Voltage
VMICBIAS ILOAD = 1mA
VMICVDD = 3V, MBIAS = 0
2.15
2.2
2.25
V
Load Regulation
ILOAD = 1mA to 2mA, MBIAS = 0
0.6
10
V/A
Line Regulation
VAVDD = 1.8V, VMICVDD = 1.65V to 1.95V, MBIAS = 0
1.55
mV/V
f = 217Hz, VRIPPLE = 100mVP-P
100
Power-Supply Rejection
Ratio
PSRR
f = 10kHz, VRIPPLE = 100mVP-P
90
dB
Noise Voltage
A-weighted
9.5
VRMS
LINE INPUT
Full-Scale Input
VIN
AVLINE = 0dB
1.0
VP-P
LIGL/LIGR = 0x00
22.8
23.9
24.9
LIGL/LIGR = 0x01
20.7
21.9
22.9
LIGL/LIGR = 0x02
18.9
20
20.9
LIGL/LIGR = 0x04
14.9
16
16.9
Line Input Level Adjust
AVLINE
LIGL/LIGR = 0x08
6.9
8
8.9
dB
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