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ADC082S021 Datasheet(数据表) 2 Page - Texas Instruments

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部件型号  ADC082S021
说明  ADC082S021 2 Channel, 50 ksps to 200 ksps, 8-Bit A/D Converter
下载  28 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 

 
 2 page
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IN1
IN2
MUX
T/H
SCLK
VA
GND
CS
DIN
DOUT
CONTROL
LOGIC
8-BIT
SUCCESSIVE
APPROXIMATION
ADC
GND
ADC082S021
SNAS282D – APRIL 2005 – REVISED MARCH 2013
www.ti.com
Block Diagram
Pin Descriptions and Equivalent Circuits
Pin No.
Pin Name
Description
ANALOG I/O
5,4
IN1 and IN2
Analog inputs. These signals can range from 0V to VA.
DIGITAL I/O
8
SCLK
Digital clock input. This clock directly controls the conversion and readout processes.
Digital data output. The output samples are clocked out at this pin on falling edges of the
7
DOUT
SCLK pin.
Digital data input. The ADC082S021's Control Register is loaded through this pin on rising
6
DIN
edges of the SCLK.
Chip select. On the falling edge of CS, a conversion process begins. Conversions continue
1
CS
as long as CS is held low.
POWER SUPPLY
Positive supply pin. This pin should be connected to a quiet +2.7V to +5.25V source and
2
VA
bypassed to GND with a 1 µF capacitor and a 0.1 µF monolithic capacitor located within 1
cm of the power pin.
3
GND
The ground return for the die.
2
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: ADC082S021




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