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參數(shù)資料
| 型號(hào)： | AD9289BBC-65EB |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Quad 8-Bit, 65 MSPS Serial LVDS 3V A/D Converter |
| 中文描述： | 四8位，65 MSPS的串行LVDS 3V的A / D轉(zhuǎn)換 |
| 文件頁(yè)數(shù)： | 8/16頁(yè) |
| 文件大?。?/td> | 1376K |
| 代理商： | AD9289BBC-65EB |
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AD9289 Prelimnary Technical Data
MAXIMUM CONVERSION RATE
Rev. PrJ | Page 8 of 16
6/25/2004
The encode rate at which parametric testing is performed.
OFFSET ERROR
Offset error is the difference between the measured and ideal
voltage at the analog input that produces the midscale code at the
outputs. Offset error is given for the worst ADC.
OFFSET MATCHING
Expressed in mV. Computed using the following equation:
min
max
OFF
OFF
hing
OffsetMatc
=
where OFF
is the most positive offset error and OFF
min
is the
most negative offset error.
OUTPUT PROPAGATION DELAY
The delay between a differential crossing of CLK+ and CLK- and
the time when all output data bits are within valid logic levels.
NOISE (FOR ANY RANGE WITHIN THE ADC)
=
10
10
*
001
.
dBFS
dBc
dBm
Signal
SNR
FS
noise
Z
V
Where Z is the input impedance, FS is the full scale of the device
for the frequency in question, SNR is the value for the particular
input level and Signal is the signal level within the ADC reported
in dB below full scale. This value includes both thermal and
quantization noise.
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 1 dB below full scale) to
the rms value of the sum of all other spectral components,
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 components,
excluding the first five harmonics and dc.
SPURIOUS-FREE DYNAMIC RANGE (SFDR)
The ratio of the rms signal amplitude to the rms value of the peak
spurious spectral component. The peak spurious component may
or may not be a harmonic. It also may be reported in dBc (i.e.,
degrades as signal level is lowered) or dBFS (i.e., always related
back to converter full scale).
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; reported in dBc.
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. It also may be reported in dBc (i.e.,
degrades as signal level is lowered) or in dBFS (i.e., always relates
back to converter full scale).
WORST OTHER SPUR
The ratio of the rms signal amplitude to the rms value of the worst
spurious component (excluding the second and third harmonic)
reported in dBc.
TRANSIENT RESPONSE TIME
Transient response time is defined as the time it takes for the ADC
to reacquire the analog input after a transient from 10% above
negative full scale to 10% below positive full scale.
OUT-OF-RANGE RECOVERY TIME
Out of range recovery time is the time it takes for the ADC to
reacquire the analog input after a transient from 10% above
positive full scale to 10% above negative full scale, or from 10%
below negative full scale to 10% below positive full scale.
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