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參數(shù)資料
| 型號(hào)： | ADC0819CCV |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | ADC |
| 英文描述： | 8-Bit Serial I/O A/D Converter with 19-Channel Multiplexer |
| 中文描述： | 19-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PQCC28 |
| 封裝： | PLASTIC, LCC-28 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 279K |
| 代理商： | ADC0819CCV |
TL/H/9287
A
December 1994
ADC0819 8-Bit Serial I/O A/D Converter
with 19-Channel Multiplexer
General Description
The ADC0819 is an 8-Bit successive approximation A/D
converter with simultaneous serial I/O. The serial input con-
trols an analog multiplexer which selects from 19 input
channels or an internal half scale test voltage.
An input sample-and-hold is implemented by a capacitive
reference ladder and sampled data comparator. This allows
the input signal to vary during the conversion cycle.
Separate serial I/O and conversion clock inputs are provid-
ed to facilitate the interface to various microprocessors.
Features
Y
Separate asynchronous converter clock and serial data
I/O clock.
Y
19-Channel multiplexer with 5-Bit serial address logic.
Y
Built-in sample and hold function.
Y
Ratiometric or absolute voltage referencing.
Y
No zero or full-scale adjust required.
Y
Internally addressable test voltage.
Y
0V to 5V input range with single 5V power supply.
Y
TTL/MOS input/output compatible.
Y
28-pin molded chip carrier or 28-pin molded DIP
Key Specifications
Y
Resolution
8-Bits
Y
Total unadjusted error
g
(/2
LSB and
g
1LSB
Y
Single supply
5V
DC
15 mW
16
m
s
Y
Low Power
Y
Conversion Time
Connection Diagrams
Molded Chip Carrier (PCC) Package
TL/H/9287–1
Top View
Order Number ADC0819BCV, CCV
See NS Package Number V28A
Dual-In-Line Package
TL/H/9287–20
Top View
Order Number ADC0819BCN, CIN
See NS Package Number N28B
Functional Diagram
TL/H/9287–2
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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