參數資料
型號: ADC08032
廠商: National Semiconductor Corporation
元件分類: 串行ADC
英文描述: 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function(8位高速串行輸入/輸出A/D轉換器帶多路選擇,電壓基準和跟蹤/保持功能)
中文描述: 8位高速串行I /辦公自動化/ D的多路復用器選項,電壓參考,并跟蹤轉換器/保持功能(8位高速串行輸入/輸出的A / D轉換器帶多路選擇,電壓基準和跟蹤/保持功能)
文件頁數: 10/24頁
文件大?。?/td> 552K
代理商: ADC08032
ADC08038 Functional Block Diagram
Functional Description
1.0 MULTIPLEXER ADDRESSING
The design of these converters utilizes a comparator struc-
ture with built-in sample-and-hold which provides for a differ-
ential analog input to be converted by a successive-
approximation routine.
The actual voltage converted is always the difference be-
tween an assigned “+” input terminal and a “” input terminal.
The polarity of each input terminal of the pair indicates which
line the converter expects to be the most positive. If the as-
signed “+” input voltage is less than the “” input voltage the
converter responds with an all zeros output code.
A unique input multiplexing scheme has been utilized to pro-
vide multiple analog channels with software-configurable
single-ended, differential, or pseudo-differential (which will
convert the difference between the voltage at any analog in-
put and a common terminal) operation. The analog signal
conditioning required in transducer-based data acquisition
systems is significantly simplified with this type of input flex-
ibility. One converter package can now handle ground refer-
enced inputs and true differential inputs as well as signals
with some arbitrary reference voltage.
A particular input configuration is assigned during the MUX
addressing sequence, prior to the start of a conversion. The
MUX address selects which of the analog inputs are to be
D
*
F
A
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相關PDF資料
PDF描述
ADC08032CIWM 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function
ADC08038CIWM 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function
ADC08038CIN 8-Bit High-Speed Serial I/O A/D Converters with Multiplexer Options, Voltage Reference, and Track/Hold Function
ADC0804 8-BitμP Compatible A/D Converters(8位μP 兼容A/D轉換器)
ADC0805LCN 8-Bit uP Compatible A/D Converters
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