參數(shù)資料
型號(hào)： MAX1031ACEG-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 10-Bit 300ksps ADCs with FIFO, Temp Sensor, Internal Reference
中文描述： 16-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO24
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137AE, QSOP-24
文件頁(yè)數(shù)： 20/23頁(yè)
文件大?。?/td> 254K
代理商： MAX1031ACEG-T
M
Definitions
Integral Nonlinearity
Integral nonlinearity (INL) is the deviation of the values
on an actual transfer function from a straight line. This
straight line can be either a best-straight-line fit or a line
drawn between the end points of the transfer function,
once offset and gain errors have been nullified. INL for
the MAX1027/MAX1029/MAX1031 is measured using
the end-point method.
Differential Nonlinearity
Differential nonlinearity (DNL) is the difference between
an actual step width and the ideal value of 1 LSB. A
DNL error specification of less than 1 LSB guarantees
no missing codes and a monotonic transfer function.
Aperture Jitter
Aperture jitter (t
AJ
) is the sample-to-sample variation in
the time between the samples.
Aperture Delay
Aperture delay (t
AD
) is the time between the rising
edge of the sampling clock and the instant when an
actual sample is taken.
Signal-to-Noise Ratio
For a waveform perfectly reconstructed from digital
samples, signal-to-noise ratio (SNR) is the ratio of the
full-scale analog input (RMS value) to the RMS quanti-
zation error (residual error). The ideal, theoretical mini-
mum analog-to-digital noise is caused by quantization
error only and results directly from the ADC’s resolution
(N bits):
SNR = (6.02 x N + 1.76)dB
In reality, there are other noise sources besides quanti-
zation noise, including thermal noise, reference noise,
clock jitter, etc. Therefore, SNR is calculated by taking
the ratio of the RMS signal to the RMS noise, which
includes all spectral components minus the fundamen-
tal, the first five harmonics, and the DC offset.
Signal-to-Noise Plus Distortion
Signal-to-noise plus distortion (SINAD) is the ratio of the
fundamental input frequency’s RMS amplitude to the
RMS equivalent of all other ADC output signals:
SINAD (dB) = 20 x log (Signal
RMS
/ Noise
RMS
)
10-Bit 300ksps ADCs with FIFO,
Temp Sensor, Internal Reference
20
______________________________________________________________________________________
OUTPUT CODE
FULL-SCALE
TRANSITION
11
. . .
111
11
. . .
110
11
. . .
101
00
. . .
011
00
. . .
010
00
. . .
001
00
. . .
000
1
2
3
0
(COM)
FS
FS - 3/2 LSB
FS = V
REF
+ V
COM
ZS = V
COM
1 LSB = V
REF
INPUT VOLTAGE (LSB)
1024
Figure 9. Bipolar Transfer Function, Full Scale (±FS) = ±V
REF
/ 2
011
. . .
111
011
. . .
110
000
. . .
010
000
. . .
001
000
. . .
000
111
. . .
111
111
. . .
110
111
. . .
101
100
. . .
001
100
. . .
000
- FS
COM*
INPUT VOLTAGE (LSB)
OUTPUT CODE
ZS = COM
+FS - 1 LSB
*V
COM
≥
V
REF
/ 2
+
V
COM
FS
= V
REF
2
-FS = -V
REF
2
1 LSB = V
REF
1024
Figure 8. Unipolar Transfer Function, Full Scale (FS) = V
REF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1031AEEG 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1031AEEG-T 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:10-Bit 300ksps ADCs with FIFO,Temp Sensor, Internal Reference
MAX1031BCEG 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
MAX1031BCEG+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10Bit 300ksps w/FIFO Temp Sensor Int Ref 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
MAX1031BCEG+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10Bit 300ksps w/FIFO Temp Sensor Int Ref 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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