參數(shù)資料
型號(hào)： MAX195BCPE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 16-Bit, 85ksps ADC with 10レA Shutdown
中文描述： 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDIP16
封裝： 0.300 INCH, PLASTIC, DIP-16
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 311K
代理商： MAX195BCPE
M
16-Bit, 85ksps ADC with 10μA S hutdown
______________________________________________________________________________________
23
Even better than oversampling and averaging is over-
sampling and digital filtering. Averaging is just a rough
(but computationally simple) type of digital filter. Finite
impulse response (and other) digital filter algorithms are
readily available, and are useful even with slow proces-
sors if the data rate is low or the data does not need to
be processed in real-time. When using averaging, be
sure to average an odd number of samples to avoid
small offset errors caused by asymmetrical rounding.
Whether simple averaging or more complex digital fil-
tering is used, the effect of oversampling is to spread
the noise across a wider bandwidth. Digital filtering or
averaging then eliminates the portion of this noise that
lies above the filter’s passband, leaving less noise in
the passband than if oversampling was not used. An
additional benefit of oversampling is that it simplifies
the design or choice of an anti-aliasing pre-filter for the
input. You can use a filter with a more gradual rolloff,
because the sample rate is much higher than the fre-
quency of interest.
CK
(2 x CLK)
J
Q
+5V
K
CLK
BP/UP/SHDN
CK
2 x CLK
1/2 74HC73
Q
(CLK)
J
(CLOCK SHUTDOWN)
MAX195
CLOCK SHUTDOWN
Figure 24. Circuit to Stop Free-Running Asynchronous CLK
-150
-130
-110
-90
0
5
10
20
25
40
-30
-50
-70
-10
FREQUENCY (kHz)
S
15
30
35
f
IN
= 1kHz
f
S
= 85kHz
T
A
= +25°C
Figure 25. MAX195 FFT Plot
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX195BCPE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 85ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX195BCPE+T 制造商:Maxim Integrated Products 功能描述:16-BIT, 85KSPS ADC WITH 10UA SHUTDOWN - Tape and Reel
MAX195BCWE 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX195BCWE+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 85ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX195BCWE+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 16-Bit 85ksps 5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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