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MCP3204 Datasheet(Fiches technique) 4 Page - Microchip Technology

Numéro de pièce MCP3204
Description  2.7V 4-Channel/8-Channel 12-Bit A/D Converters with SPI Serial Interface
Télécharger  20 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
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MCP3204 Datasheet(HTML) 4 Page - Microchip Technology

 
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MCP3204/3208
DS21298B-page 4
Preliminary
© 1999 Microchip Technology Inc.
FIGURE 1-1:
Serial Interface Timing.
FIGURE 1-2:
Test Circuits.
CS
CLK
D
IN
MSB IN
t
SU
t
HD
t
SUCS
t
CSH
t
HI
t
LO
D
OUT
t
EN
t
DO
t
R
t
F
LSB
MSB OUT
t
DIS
NULL BIT
90%
10%
*
Waveform 1 is for an output with internal condi-
tions such that the output is high, unless dis-
abled by the output control.
† Waveform 2 is for an output with internal condi-
tions such that the output is low, unless disabled
by the output control.
Test Point
1.4V
D
OUT
Load circuit for t
R, tF
, tDO
3K
C
L = 100pF
Test Point
D
OUT
Load circuit for t
DIS and tEN
3K
100pF
t
DIS Waveform 2
t
DIS Waveform 1
CS
CLK
D
OUT
t
EN
12
B11
Voltage Waveforms for t
EN
t
EN Waveform
V
DD
V
DD/2
V
SS
3
4
D
OUT
t
R
Voltage Waveforms for t
R, tF
CLK
D
OUT
t
DO
Voltage Waveforms for t
DO
t
F
V
OH
V
OL
Voltage Waveforms for t
DIS
D
OUT
D
OUT
CS
V
IH
T
DIS
Waveform 1*
Waveform 2†


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