參數(shù)資料
型號(hào): MAX9867ETJ+T
廠商: Maxim Integrated Products
文件頁數(shù): 45/55頁
文件大小: 0K
描述: IC STEREO AUD CODEC LP 32TQFN-EP
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,串行
分辨率(位): 18 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 85 / 90
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: 32-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
包裝: 帶卷 (TR)
MAX9867
Ultra-Low Power Stereo Audio Codec
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DAC STEREO AUDIO MODE DIGITAL DC BLOCKING HIGHPASS FILTER
Passband Cutoff
(-3dB from Peak)
fDHPPB
DVFLT = 0x1
0.000625
x fS
Hz
DC Attenuation
DCATTEN
DVFLT = 0x1
90
dB
ADC (Note 6)
fS = 8kHz, MODE = 0 (IIR voice)
75
84
Dynamic Range (Note 5)
DR
fS = 8kHz to 48kHz, MODE = 1 (FIR audio)
85
dB
Full-Scale Input
Differential MIC input or stereo-line inputs,
AVPRE = 0dB, AVPGAM = 0dB
1VP-P
Gain Error (Note 7)
DC accuracy, measured with respect to
80% of full-scale output
15%
fS = 8kHz
1.2
Voice Path Phase Delay
PDLY
f = 1kHz, 0dBFS, HP
filter disabled,
analog input to
digital output
fS = 16kHz
0.61
ms
Total Harmonic Distortion
THD
f = 1kHz, fS = 8kHz, TA = +25°C, 0dBFS
-81
-70
dB
ADC Level Adjust Range
AVADC
AVL/AVR = 0xF to 0x0
-12
+3
dB
VAVDD = 1.65V to 1.95V, input referred
60
85
f = 217Hz, VRIPPLE = 100mV, AVADC = 0dB,
input referred
85
f = 1kHz, VRIPPLE = 100mV, AVADC = 0dB,
input referred
80
Power-Supply Rejection Ratio
PSRR
f = 10kHz, VRIPPLE = 100mV, AVADC = 0dB,
input referred
80
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
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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