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參數(shù)資料
| 型號(hào)： | AD9032 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 12-Bit 25 MSPS A/D Converter(25MSPS 12位A/D轉(zhuǎn)換器) |
| 中文描述： | 12位25 MSPS的A / D轉(zhuǎn)換（25Msps時(shí)12位的A / D轉(zhuǎn)換器） |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 249K |
| 代理商： | AD9032 |
AD9032
REV. 0
–4–
DEFINITIONS OF SPECIFICATIONS
Analog Bandwidth
The analog input frequency at which the spectral power of the
fundamental frequency (as determined by FFT analysis) is re-
duced by 3 dB.
Aperture Delay (t
A
)
The delay between 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.
Data Ready Delay (t
DR
)
The delay between the 50% point of the change in output data
and the 50% point of the rising edge of DATA READY.
Differential Nonlinearity (DNL)
The deviation of any code width from an ideal 1 LSB step, as
determined by a histogram.
Harmonic Distortion
The rms value of the fundamental divided by the rms value of
the worst harmonic.
Integral Nonlinearity (INL)
The deviation of the transfer function from a reference line mea-
sured in fractions of 1 LSB using a “best straight line” deter-
mined by a least square curve fit, as determined by a histogram.
Output Delay (t
OD
)
The delay between the 50% point of the rising edge of the
ENCODE command and the 50% point of the next change in
output data.
Output Time Skew
Bit-to-bit time variations among D
0
to D
11
outputs. Time skew
includes HIGH-to-LOW and LOW-to-HIGH transitions of the
digital output bits.
Overvoltage Recovery Time
The amount of time required for the converter to recover to
12-bit accuracy after an analog input signal 150% of full scale is
reduced to the midscale of the converter.
Power Supply Rejection Ratio
The ratio of a change in power supply voltage which results in a
change in input offset voltage.
Pulse Width (High and Low)
Rated performance of the ADC is assured when stated restric-
tions on ENCODE pulse width shown in Specifications table
are observed.
Signal-to-Noise Ratio (SNR)
The ratio of the rms signal amplitude to the rms value of
“noise,” which is defined as the sum of all other spectral compo-
nents, including harmonics but excluding dc, with an analog in-
put signal 1 dB below full scale.
Spurious Free Dynamic Range (SFDR)
The rms value of the fundamental divided by the rms value of
the highest spurious signal. This is generally specified as a func-
tion of input signal level.
Transient Response
The time required for the converter to achieve 12-bit accuracy
when a full-scale step function is applied to the analog input.
Two-Tone Intermodulation Distortion (IMD) Rejection
The ratio of the power of either of two input signals to the
power of the strongest third-order IMD signal.
N
N + 1
N – 2
N – 1
ENCODE
DATA
OUTPUT
N
ANALOG
IN
T/H
HOLD
DATA
READY
TRACK
t
A
t
A
= 3ns TYPICAL
t
OD
t
OD
= 13ns TYPICAL
t
DR
t
DR
= 7.5ns TYPICAL
Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AD9032AD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9032AZ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9032BD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9032BZ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD9032TD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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