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參數(shù)資料
| 型號(hào)： | AD9027 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 串行ADC |
| 英文描述： | High Speed 12-Bit Monolithic A/D Converters(高速12位單片A/D轉(zhuǎn)換器) |
| 中文描述： | 高速12位單片機(jī)的A / D轉(zhuǎn)換器（高速12位單片的A / D轉(zhuǎn)換器） |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 515K |
| 代理商： | AD9027 |
REV. 0
–6–
AD9026/AD9027
DEFINITION OF SPECIFICATIONS
Analog Bandwidth
The analog input frequency at which the spectral power of the
fundamental frequency (as determined by the FFT analysis) is
reduced by 3 dB.
Aperture Delay
The delay between the 50% point of the rising edge of the
ENCODE command and the instant at which the analog input
is sampled.
Aperture Uncertainty (Jitter)
The sample-to-sample variation in aperture delay.
Differential Nonlinearity
The deviation of any code from an ideal 1 LSB step.
Harmonic Distortion
The ratio of the rms signal amplitude to the rms value of the
worst harmonic component.
Integral Nonlinearity
The deviation of the transfer function from a reference line
measured in fractions of 1 LSB using a “best straight line”
determined by a least square curve fit.
Minimum Conversion Rate
The encode rate at which the SNR of the lowest analog signal
frequency drops by no more than 3 dB below the guaranteed limit.
Maximum Conversion Rate
The encode rate at which parametric testing is performed.
Output Propagation Delay
The delay between the 50% point of the rising edge of ENCODE
command and the time when all output data bits are within
valid logic levels.
Overvoltage Recovery Time
The amount of time required for the converter to recover to
0.2% accuracy after an analog input signal 150% of full scale is
reduced to midscale.
Power Supply Rejection Ratio
The ratio of a change in input offset voltage to a change in
power supply voltage.
Signal-to-Noise-and-Distortion (SINAD)
The ratio of the rms signal amplitude (set at 1 dB below full
scale) to the rms value of the sum of all other spectral compo-
nents, including harmonics but excluding dc.
Signal-to-Noise Ratio (Without Harmonics)
The ratio of the rms signal amplitude (set at 1 dB below full
scale) to the rms value of the sum of all other spectral compo-
nents, excluding the first five harmonics and dc.
Spurious-Free Dynamic Range
The ratio of the rms signal amplitude to the rms value of the
peak spurious spectral component. The peak spurious compo-
nent may or may not be a harmonic.
Transient Response
The time required for the converter to achieve 0.2% accuracy when
a one-half full-scale step function is applied to the analog input.
Two-Tone Intermodulation Distortion Rejection
The ratio of the rms value of either input tone to the rms value
of the worst third order intermodulation product.
Two-Tone SFDR
The ratio of the rms value of either input tone to the rms value
of the peak spurious component. The peak spurious component
may or may not be an IMD product.
EQUIVALENT CIRCUITS
Bypass AD9027 Encode Input AD9027 Output Stage
ANALOG
INPUT
+V
S
180
120
5pF
+V
S
–V
S
20pF
50
BYPASS
–V
S
–V
S
–V
S
+V
S
D11 – D0
12k
11k
–V
S
ENCODE
+V
S
100
900
3400
3400
ENCODE
ENCODE
–V
S
–V
S
D11 – D0
1200
Analog Input Stage AD9026 Encode Input AD9026 Output Stage
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD9032 | 12-Bit 25 MSPS A/D Converter(25MSPS 12位A/D轉(zhuǎn)換器) |
| AD9040A | 10-Bit 40 MSPS A/D Converters(40MSPS 10位A/D轉(zhuǎn)換器) |
| AD9054A | 8-Bit, 200 MSPS A/D Converter |
| AD9054ABST-200 | 8-Bit, 200 MSPS A/D Converter |
| AD9202 | Complete 10-Bit, 32 MSPS, 90 mW CMOS A/D Converter(32MSPS,10位A/D轉(zhuǎn)換器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD9027/PCB-E | 制造商:Analog Devices 功能描述: |
| AD9027AD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9027BD | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 12-Bit |
| AD9028/PCB | 制造商:Analog Devices 功能描述: |
| AD9028JE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog-to-Digital Converter， 8-Bit |
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