参数资料
型号: MAX9867ETJ+T
厂商: Maxim Integrated Products
文件页数: 34/55页
文件大小: 0K
描述: IC STEREO AUD CODEC LP 32TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 立体声音频
数据接口: I²C,串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
动态范围,标准 ADC / DAC (db): 85 / 90
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: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
MAX9867
Ultra-Low Power Stereo Audio Codec
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DAC VOICE MODE DIGITAL 5th ORDER IIR HIGHPASS FILTER
DVFLT = 0x1
(elliptical tuned for 16kHz GSM + 217Hz
notch)
0.0161
x fS
DVFLT = 0x2
(500Hz Butterworth tuned for 16kHz)
0.0312
x fS
DVFLT = 0x3
(elliptical tuned for 8kHz GSM + 217Hz
notch)
0.0321
x fS
DVFLT = 0x4
(500Hz Butterworth tuned for 8kHz)
0.0625
x fS
5th Order Passband Cutoff
(-3dB from Peak, I
2C Register
Programmable)
fDHPPB
DVFLT = 0x5
(fS/240 Butterworth)
0.0042
x fS
Hz
DVFLT = 0x1
(elliptical tuned for 16kHz GSM + 217Hz
notch)
0.0139
x fS
DVFLT = 0x2
(500Hz Butterworth tuned for 16kHz)
0.0156
x fS
DVFLT = 0x3
(elliptical tuned for 8kHz GSM + 217Hz
notch)
0.0279
x fS
DVFLT = 0x4
(500Hz Butterworth tuned for 8kHz)
0.0312
x fS
5th Order Stopband Cutoff
(-30dB from Peak, I
2C Register
Programmable)
fDHPSB
DVFLT = 0x5
(fS/240 Butterworth)
0.0021
x fS
Hz
DC Attenuation
DCATTEN
DVFLT
≠ 000
90
dB
DAC STEREO AUDIO MODE DIGITAL FIR LOWPASS FILTER
With respect to fS within ripple;
fS = 8kHz to 48kHz
0.43 x
fS
-3dB cutoff
0.47 x
fS
Passband Cutoff
fPLP
-6.02dB cutoff
0.50 x
fS
Hz
Passband Ripple
f < fPLP
±0.1
dB
Stopband Cutoff
fSLP
With respect to fS; fS = 8kHz to 48kHz
0.58 x
fS
Hz
Stopband Attenuation
60
dB
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VPVDD = VDVDD = VDVDDIO = +1.8V, RL = ∞, headphone load (RL) connected between _OUTP and _OUTN in differential
mode, CREF = 2.2F, CMICBIAS = CPREG = CREG = 1F, AVPRE = +20dB, AVPGAM = 0dB, AVDAC = 0dB, AVLINE = +20dB, AVVOL =
0dB, MCLK = 13MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
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