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參數(shù)資料
| 型號： | ADC12191 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 12-Bit, 10 MHz Self-Calibrating, Pipelined A/D Converter with Internal Sample & Hold(12位10 MHz可自行校對的管線式帶內(nèi)部采樣和保持功能A/D轉(zhuǎn)換器) |
| 中文描述： | 12位，10 MHz的自校準(zhǔn)，流水線A / D轉(zhuǎn)換器，內(nèi)置采樣 |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 278K |
| 代理商： | ADC12191 |
Specification Definitions
(Continued)
FULL SCALE ERROR
is the difference between the input
voltage just causing a transition to positive full scale and
V
REF
-1.5 LSB.
INTEGRAL NON-LINEARITY (INL)
is a measure of the
deviation of each individual code from a line drawn from
negative full scale (
1
2
LSB below the first code transition)
through positive full scale (1
1
2
LSB above the last code
transition). The deviation of any given code from this straight
line is measured from the center of that code value.
INTERMODULATION DISTORTION (IMD)
is the creation of
additional spectral components as a result of two sinusoidal
frequencies being applied to theADC input at the same time.
It is defined as the ratio of the power in the intermodulation
products to the total power in the original frequencies. IMD is
usually expressed in dB.
PIPELINE DELAY (LATENCY)
is the number of clock cycles
between initiation of conversion and the availability of that
conversion result at the output. New data is available at
every clock cycle, but the data lags the conversion by the
pipeline delay.
Timing Diagrams
SIGNAL TO NOISE PLUS DISTORTION (S/(N+D) or
SINAD)
is the ratio expressed in dB, of the rms value of the
input signal to the rms value of all of the other spectral
components below half the clock frequency, including
harmonics but excluding dc.
SIGNAL TO NOISE RATIO (SNR)
is the ratio of the rms
value of the input signal to the rms value of the other spectral
components below one-half the sampling frequency, not
including harmonics or dc.
SPURIOUS FREE DYNAMIC RANGE (SFDR)
is the
difference, expressed in dB, between the rms values of the
input signal and the peak spurious signal, where a spurious
signal is any signal present in the output spectrum that is not
present at the input.
TOTAL HARMONIC DISTORTION (THD)
is the ratio of the
rms total of the first six harmonic components, to the rms
value of the input signal.
ZERO ERROR
is the difference between the ideal input
voltage (
1
2
LSB) and the actual input voltage that causes an
output code transition from zero to one.
DS101040-21
FIGURE 3. Data Output Timing
A
www.national.com
10
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADC12191CIVT | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit, 10 MHz Self-Calibrating, Pipelined A/D Converter with Internal Sample & Hold |
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| ADC121C021CIMK | 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 |
| ADC121C021CIMK/NOPB | 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 |
| ADC121C021CIMKX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:I2C-Compatible, 12-Bit Analog-to-Digital Converter (ADC) with Alert Function |
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