参数资料
型号: ADS5413IPHP
厂商: Texas Instruments, Inc.
英文描述: SINGLE 12-BIT, 65-MSPS IF SAMPLING ANALOG-TO-DIGITAL CONVERTER
中文描述: 单12位,65 MSPS的中频采样模拟到数字转换器
文件页数: 7/18页
文件大小: 421K
代理商: ADS5413IPHP
ADS5413
SLWS153 DECEMBER 2003
www.ti.com
15
DEFINITION OF SPECIFICATIONS
Analog Bandwidth
The 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 in
respect to the value measured at low input frequencies.
Aperture Delay
The delay between the 50% point of the rising edge of the
CLK command and the instant at which the analog input
is sampled.
Aperture Uncertainity (Jitter)
The sample-to-sample variation in aperture delay.
Differential Nonlinearity
The average deviation of any single LSB transition at the
digital output from an ideal 1 LSB step at the analog input.
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.
Clock Pulse Width/Duty Cycle
Pulse width high is the minimum amount of time that the
CLK pulse should be left in logic 1 state to achieve rated
performance; pulse width low is the minimum time CLK
pulse should be left in low state. At a given clock rate, these
specifications define acceptable clock duty cycles.
Maximum Conversion Rate
The clock rate at which parametric testing is performed.
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 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 the sum of all other spectral
components, 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
component may or may not be a harmonic and it is
reported in dBc.
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.
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