ADC104S021

更新时间： 2024-01-20 00:06:56

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
27页	1299K
描述
ADC084S021 4-Channel, 50 ksps to 200 Ksps, 8-Bit A/D Converter

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技术参数
数据手册

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ADC104S021 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.72	转换器类型：	ADC, SUCCESSIVE APPROXIMATION
输出位码：	OFFSET BINARY	Base Number Matches：	1

ADC104S021 数据手册

ADC084S021

www.ti.com

SNAS279E –APRIL 2005–REVISED MARCH 2013

Figure 3. Timing Test Circuit

CONVERT

ACQ

SCLK

ACC

DIS

Tri-State

DB7

DB6

DB1

DB0

Zero

DOUT

DIN

DB5

DB4

Zero

DONTC

DONT DONTC ADD2 ADD1 ADD0

DONTC DONTC

Figure 4. ADC084S021 Serial Timing Diagram

CSU

SCLK

CLH

Figure 5. SCLK and CS Timing Parameters

Specification Definitions

ACQUISITION TIME is the time required to acquire the input voltage. That is, it is time required for the hold

capacitor to charge up to the input voltage.

APERTURE DELAY is the time between the fourth falling SCLK edge of a conversion and the time when the

input signal is acquired or held for conversion.

CONVERSION TIME is the time required, after the input voltage is acquired, for the ADC to convert the input

voltage to a digital word.

CROSSTALK is the coupling of energy from one channel into the other channel, or the amount of signal energy

from one analog input that appears at the measured analog input.

DIFFERENTIAL NON-LINEARITY (DNL) is the measure of the maximum deviation from the ideal step size of 1

LSB.

DUTY CYCLE is the ratio of the time that a repetitive digital waveform is high to the total time of one period. The

specification here refers to the SCLK.

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