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參數(shù)資料
| 型號： | AD9289BBC |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/32頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT QUAD 65MSPS 64CSPBGA |
| 標準包裝： | 1 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 65M |
| 數(shù)據(jù)接口： | 串行 |
| 轉換器數(shù)目： | 4 |
| 功率耗散（最大）： | 625mW |
| 電壓電源： | 模擬和數(shù)字 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LFBGA，CSPBGA |
| 供應商設備封裝： | 64-CSPBGA（8x8） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 8 個單端，單極；4 個差分，單極 |
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AD9289
Rev. 0 | Page 12 of 32
TERMINOLOGY
Analog Bandwidth
Analog Bandwidth is the analog input frequency at which the
spectral power of the fundamental frequency (as determined by
the FFT analysis) is reduced by 3 dB from full scale.
Aperture Delay
Aperture delay is a measure of the sample-and-hold amplifier
(SHA) performance and is measured from the 50% point rising
edge of the clock input to the time at which the input signal is
held for conversion.
Aperture Uncertainty (Jitter)
Aperture jitter is the variation in aperture delay for successive
samples and can be manifested as frequency-dependent noise
on the ADC input.
Clock Pulse Width and Duty Cycle
Pulse width high is the minimum amount of time that the clock
pulse should be left in the Logic 1 state to achieve a rated
performance. Pulse width low is the minimum time the clock
pulse should be left in the low state. At a given clock rate, these
specifications define an acceptable clock duty cycle.
Crosstalk
Crosstalk is defined as the coupling of a channel when all
channels are driven by a full-scale signal.
Differential Analog Input Capacitance
The complex impedance simulated at each analog input port.
Differential Analog Input Voltage Range
The peak-to-peak differential voltage that must be applied to
the converter to generate a full-scale response. Peak differential
voltage is computed by observing the voltage on a pin and
subtracting the voltage from a second pin that is 180° out of
phase. Peak-to-peak differential is computed by rotating the
input phase 180° and taking the peak measurement again. The
difference is computed between both peak measurements.
Differential Nonlinearity (DNL, No Missing Codes)
An ideal ADC exhibits code transitions that are exactly 1 LSB
apart. DNL is the deviation from this ideal value. Guaranteed no
missing codes to an 8-bit resolution indicates that all 256 codes,
respectively, must be present over all operating ranges.
Effective Number of Bits (ENOB)
For a sine wave, SINAD can be expressed in terms of the
number of bits. Using the following formula, it is possible to
obtain a measure of performance expressed as N, the effective
number of bits:
N = (SINAD – 1.76)/6.02
Thus, the effective number of bits for a device for sine wave
inputs at a given input frequency can be calculated directly
from its measured SINAD.
Gain Error
The largest gain error is specified and is considered the
difference between the measured and ideal full-scale input
voltage range.
Gain Matching
Expressed in %FSR. Computed using the following equation:
%
100
2
min
max
min
max
×
+
=
FSR
ng
GainMatchi
where FSRMAX is the most positive gain error of the ADCs, and
FSRMIN is the most negative gain error of the ADCs.
Second and Third Harmonic Distortion
The ratio of the rms signal amplitude to the rms value of the
second or third harmonic component, reported in dBc.
Integral Nonlinearity (INL)
INL refers to the deviation of each individual code from a line
drawn from negative full scale through positive full scale The
point used as negative full scale occurs 1/2 LSB before the first
code transition. Positive full scale is defined as a level 1 1/2 LSB
beyond the last code transition. The deviation is measured from
the middle of each particular code to the true straight line.
Offset Error
The largest offset error is specified and is considered the
difference between the measured and ideal voltage at the analog
input that produces the midscale code at the outputs.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AD9289BBC-65 | 制造商:Analog Devices 功能描述:- Bulk |
| AD9289BBC-65EB | 制造商:AD 制造商全稱:Analog Devices 功能描述:Quad 8-Bit, 65 MSPS Serial LVDS 3V A/D Converter |
| AD9289BBCZ | 制造商:Analog Devices 功能描述:ADC Quad Pipelined 65Msps 8-bit Serial 64-Pin CSP-BGA |
| AD9300 | 制造商:AD 制造商全稱:Analog Devices 功能描述:4 x 1 Wideband Video Multiplexer |
| AD9300KP | 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:4-CHANNEL, VIDEO MULTIPLEXER, PQCC20 |
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