Rainbow-electronics MAX1314 Manuel d'utilisateur télécharger pdf (Page 25)

MAX1304–MAX1306/MAX1308–MAX1310/MAX1312–MAX1314

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs

with ±10V, ±5V, and 0 to +5V Analog Input Ranges

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CONVST

CLK

EOC

CS*

EOLC

ACQ

DUMMY

CONVERSION

START

CONFIGURATION REGISTER

POWERS UP ONE OR

MORE CHANNELS

FIRST ACCURATE

CONVERSION

START

CONFIGURATION

UPDATES

12345 1213 1

WAKE

≥ 1ms

D0–D7

*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.

DATA

Figure 10. Powering Up an Analog Input Channel with a Dummy Conversion and Wake-Up Time (

CHSHDN

= 0, External-Clock

Mode, One Channel Selected)

CONVST

CLK

EOC

CS*

EOLC

ACQ

FIRST ACCURATE

CONVERSION START

CONFIGURATION REGISTER

POWERS UP ONE OR

MORE CHANNELS

SECOND ACCURATE

CONVERSION START

CONFIGURATION

UPDATES

12345 1213 1

D0–D7

*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.

DATA

Figure 11. Powering Up an Analog Input Channel Directly (

CHSHDN

= 1, External-Clock Mode, One Channel Selected)

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 35 36

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Rainbow-electronics MAX1314 Manuel d'utilisateur Page 25

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