參數(shù)資料
型號(hào)： 5962-9957701NXD
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 4-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO32
封裝： GREEN, PLASTIC, TSSOP-32
文件頁數(shù)： 31/43頁
文件大?。?/td> 426K
代理商： 5962-9957701NXD
THS1206
SLAS217H – MAY 1999 – REVISED JULY 2003#
www.ti.com
37
DEFINITIONS OF SPECIFICATIONS AND TERMINOLOGY
Integral Nonlinearity
Integral nonlinearity refers to the deviation of each individual code from a line drawn from zero through full scale. The point
used as zero occurs 1/2 LSB before the first code transition. The full-scale point is defined as level 1/2 LSB beyond the
last code transition. The deviation is measured from the center of each particular code to the true straight line between these
two points.
Differential Nonlinearity
An ideal ADC exhibits code transitions that are exactly 1 LSB apart. DNL is the deviation from this ideal value. A differential
nonlinearity error of less than
±1 LSB ensures no missing codes.
Zero Offset
The major carry transition should occur when the analog input is at zero volts. Zero error is defined as the deviation of the
actual transition from that point.
Gain Error
The first code transition should occur at an analog value 1/2 LSB above negative full scale. The last transition should occur
at an analog value 1 1/2 LSB below the nominal full scale. Gain error is the deviation of the actual difference between first
and last code transitions and the ideal difference between first and last code transitions.
Signal-to-Noise Ratio + Distortion (SINAD)
SINAD is the ratio of the rms value of the measured input signal to the rms sum of all other spectral components below
the Nyquist frequency, including harmonics but excluding dc. The value for SINAD is expressed in decibels.
Effective Number of Bits (ENOB)
For a sine wave, SINAD can be expressed in terms of the number of bits. Using the following formula,
N
+
(SINAD
* 1.76)
6.02
it is possible to get a measure of performance expressed as N, the effective number of bits. 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.
Total Harmonic Distortion (THD)
THD is the ratio of the rms sum of the first six harmonic components to the rms value of the measured input signal and is
expressed as a percentage or in decibels.
Spurious Free Dynamic Range (SFDR)
SFDR is the difference in dB between the rms amplitude of the input signal and the peak spurious signal.
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PDF描述
5962-9958302Q2A 0.1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, CQCC20
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
5962-9958101QXC 功能描述:LVDS 接口集成電路 RoHS:否 制造商:Texas Instruments 激勵(lì)器數(shù)量:4 接收機(jī)數(shù)量:4 數(shù)據(jù)速率:155.5 Mbps 工作電源電壓:5 V 最大功率耗散:1025 mW 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-16 Narrow 封裝:Reel
5962-9958301Q2A 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 20-Pin LCCC Tube
5962-9958301QPA 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 8-Pin CDIP Tube
5962-9958302Q2A 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 20-Pin LCCC Tube
5962-9958302QPA 制造商:Texas Instruments 功能描述:DC DC Cntrlr Single-OUT PWM DC to DC Controller 3.6V to 40V Input 8-Pin CDIP Tube
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