参数资料
型号: MAX9856ETL+T
厂商: Maxim Integrated Products
文件页数: 23/46页
文件大小: 0K
描述: IC AUDIO CODEC 40TQFN-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 音频编解码器
数据接口: 串行
分辨率(位): 18 b
ADC / DAC 数量: 2 / 2
三角积分调变:
S/N 比,标准 ADC / DAC (db): 77 / 91
动态范围,标准 ADC / DAC (db): 85 / 91
电压 - 电源,模拟: 1.71 V ~ 3.6 V
电压 - 电源,数字: 1.71 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(5x5)
包装: 带卷 (TR)
MAX9856
Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
STEREO DAC (Note 3)
Gain Error
±1
±5
%
Channel Gain Mismatch
±1
%
DAC DYNAMIC SPECIFICATIONS
fS = 44.1kHz, A-weighted, DRATE = 10
80
91
DRATE = 00
87
Dynamic Range (Note 4)
fS = 8kHz to 96kHz,
A-weighted
DRATE =10
91
dB
Total Harmonic Distortion
THD
fIN = 1kHz, fS = 8kHz to 96kHz, 0dBFS
82
dB
DRATE = 00
87
Signal-to-Noise Ratio
SNR
fS = 8kHz to 96kHz,
A-weighted (Note 5)
DRATE = 10
91
dB
Crosstalk
Driven channel at -1dBFS, fIN = 1kHz,
fS = 8kHz
78
dB
f = 217Hz, VRIPPLE = 100mV, AVPGA = 0dB
93
Power-Supply Rejection Ratio
PSRR
f = 10kHz, VRIPPLE = 100mV, AVPGA = 0dB
60
dB
DAC DIGITAL FILTER (8x interpolation, FIR (fS = 7.8kHz to 50kHz))
Passband Cutoff
fP
-0.2dB from peak
0.44
fS
Passband Ripple
f < 0.44 x fS
±0.1
dB
Stopband Cutoff
fS
0.58
fS
Stopband Attenuation
f > fS
58
dB
Attenuation at fS/2
-6.02
dB
DAC DIGITAL FILTER (4x interpolation, FIR (fS = 50kHz to 100kHz))
Passband Cutoff
fP
-0.2dB from peak
0.24
fS
Passband Ripple
f < 0.23 x fS
±0.1
dB
Stopband Cutoff
fS
0.5
fS
Stopband Attenuation
f > fS
54
dB
Attenuation at fS/2
-60
dB
DAC HIGHPASS FILTER
DACHP = 000
Disabled
DACHP = 001; LRCLK/1598
28
DACHP = 010; LRCLK/798
55
DACHP = 011; LRCLK/398
111
DACHP = 100; LRCLK/197
224
DACHP = 101; LRCLK/97
455
DACHP = 110; LRCLK/47
938
-3dB Corner Frequency
(fS = 44.1kHz)
HPFILT
DACHP = 111; LRCLK/22
2004
Hz
DC Attenuation
DCATTEN
DACHP
≠ 000
60
dB
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)
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