參數(shù)資料
型號: MAX9856ETL+T
廠商: Maxim Integrated Products
文件頁數(shù): 34/46頁
文件大?。?/td> 0K
描述: IC AUDIO CODEC 40TQFN-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: 音頻編解碼器
數(shù)據(jù)接口: 串行
分辨率(位): 18 b
ADC / DAC 數(shù)量: 2 / 2
三角積分調(diào)變:
S/N 比,標(biāo)準(zhǔn) ADC / DAC (db): 77 / 91
動(dòng)態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db): 85 / 91
電壓 - 電源,模擬: 1.71 V ~ 3.6 V
電壓 - 電源,數(shù)字: 1.71 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 40-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 40-TQFN-EP(5x5)
包裝: 帶卷 (TR)
MAX9856
Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VAVDD = VCPVDD = VDVDDS2 = VDVDD = 1.8V, RHP = 32Ω, RLINE = 10kΩ, C1 = 4.7F, C2 = 4.7F, CREF = CMBIAS = CPREG =
CNREG = 1F, AVPRE = +20dB, CMICBIAS = 1F, AVMIGPGA = 0dB, fMCLK = 11.2896MHz, DRATE = 00, TA = TMIN to TMAX, unless
otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
STEREO ADC (Note 6)
Gain Error
±1
±5
%
Full-Scale Conversion
0dBFS
fIN = 1kHZ, line input PGA = 0dB
2
VP-P
Channel Gain Mismatch
±1
%
ADC DYNAMIC SPECIFICATIONS
fS = 8kHz to 32kHz, BW = 22Hz to fS/2
80
fS = 44.1kHz, BW = 22Hz to 20kHz,
A-weighted
78
84
Dynamic Range (Note 4)
fS = 48kHz, BW = 22Hz to 20kHz,
A-weighted
85
dB
1kHz, 0dBFS, fS = 8kHz
-63
Total Harmonic Distortion
THD
1kHz, 0dBFS, fS = 48kHz
-68
dB
1kHz, 0dBFS, fS = 8kHz, BW = 22Hz to
20kHz, A-weighted
77
Signal-to-Noise Ratio
SNR
1kHz, 0dBFS, fS = 48kHz, BW = 22Hz to
20kHz, A-weighted
77
dB
Channel Crosstalk
Driven channel at -1dBFS, fIN = 1kHz,
fS = 8kHz
65
dB
VAVDD = 1.71V to 3.6V
60
100
f = 1kHz, VRIPPLE = 100mV
80
Power-Supply Rejection Ratio
(Note 7)
PSRR
f = 10kHz, VRIPPLE = 100mV
50
dB
ADC DIGITAL FILTER PATH
Passband Cutoff
fP
-0.2dB from peak
0.44
fS
Passband Ripple
f < fP
±0.1
dB
Stopband Cutoff
fS
0.56
fS
Stopband Attenuation
f > fS
60
dB
Attenuation at fS/2
-6.02
dB
ADC HIGHPASS FILTER
ADCHP = 000
Disabled
ADCHP = 001; LRCLK/1598
28
ADCHP = 010; LRCLK/798
55
ADCHP = 011; LRCLK/398
111
ADCHP = 100; LRCLK/197
224
ADCHP = 101; LRCLK/97
455
ADCHP = 110; LRCLK/47
938
-3dB Corner Frequency
(fS = 44.1kHz)
HPFILT
ADCHP = 111; LRCLK/22
2004
Hz
DC Attenuation
DCATTEN
ADCHP anything other than 000
90
dB
DC Output Offset
ADCHP = 000
-40
dBFS
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