参数资料
型号: MAX9880AETM+
厂商: Maxim Integrated Products
文件页数: 45/70页
文件大小: 0K
描述: IC CODEC AUDIO STEREO 48TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 立体声音频
数据接口: I²C,I²S,串行,SPI?
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 82 / 96
电压 - 电源,模拟: 1.65 V ~ 1.95 V
电压 - 电源,数字: 1.65 V ~ 1.95 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(6x6)
包装: 管件
MAX9880A
Low-Power, High-Performance
Dual I2S Stereo Audio Codec
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Total Harmonic
Distortion
THD
f = 1kHz, fS = 8kHz, TA = +25°C, -20dB input
-80
-70
dB
ADC Level Adjust
AVADC
AVL/AVR = 0xF to 0x0
-12
+3
dB
VAVDD = 1.65V to 1.95V, input referred
60
80
f = 217Hz, VRIPPLE = 100mVP-P, AVADC = 0dB,
input referred
80
f = 1kHz, VRIPPLE = 100mVP-P, AVADC = 0dB, input
referred
78
Power-Supply Rejection
Ratio
PSRR
f = 10kHz, VRIPPLE = 100mVP-P, AVADC = 0dB,
input referred
72
dB
ADC VOICE MODE DIGITAL IIR LOWPASS FILTER
With respect to fS within ripple; fS = 8kHz to 48kHz
0.445 x fS
Passband Cutoff
fPLP
-3dB cutoff
0.449 x fS
Hz
Passband Ripple
f < fPLP
±0.1
dB
Stopband Cutoff
fSLP
With respect to fS; fS = 8kHz to 48kHz
0.469 x fS
Hz
Stopband Attenuation
f > fSLP, f = 20Hz to 20kHz
74
dB
ADC VOICE MODE DIGITAL 5th-ORDER IIR HIGHPASS FILTER
AVFLT = 0x1
(Elliptical tuned for 16kHz GSM + 217Hz notch)
0.0161 x
fS
AVFLT = 0x2
(500Hz Butterworth tuned for 16kHz)
0.0312 x
fS
AVFLT = 0x3
(Elliptical tuned for 8kHz GSM + 217Hz notch)
0.0321 x
fS
AVFLT = 0x4
(500Hz Butterworth tuned for 8kHz)
0.0625 x
fS
Passband Cutoff
(-3dB from Peak)
fAHPPB
AVFLT = 0x5 (fS/240 Butterworth)
0.0042 x fS
Hz
AVFLT = 0x1 (Elliptical tuned for 16kHz GSM +
217Hz notch)
0.0139 x
fS
AVFLT = 0x2 (500Hz Butterworth tuned for 16kHz)
0.0156 x fS
AVFLT = 0x3 (Elliptical tuned for 8kHz GSM +
217Hz notch)
0.0279 x
fS
AVFLT = 0x4 (500Hz Butterworth tuned for 8kHz)
0.0312 x fS
Stopband Cutoff
(-30dB from Peak)
fAHPSB
AVFLT = 0x5 (fS/240 Butterworth)
0.0021 x fS
Hz
DC Attenuation
DCATTEN AVFLT
000
90
dB
ADC STEREO AUDIO MODE DIGITAL FIR LOWPASS FILTER
With respect to fS within ripple; fS = 8kHz to 48kHz
0.43 x fS
-3dB cutoff
0.48 x fS
Passband Cutoff
fPLP
-6.02dB cutoff
0.5 x fS
Hz
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)
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