Rainbow Electronics MAX1314 - Manual (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
t ACQ t ACQ
DUMMY
CONVERSION
START
CONFIGURATION REGISTER
POWERS UP ONE OR
MORE CHANNELS
FIRST ACCURATE
CONVERSION
START
CONFIGURATION
REGISTER
UPDATES
1 2 3 4 5 12 13 1
t WAKE ≥ 1ms
WR
D0–D7
*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.
DATA
IN
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
t ACQ t ACQ
FIRST ACCURATE
CONVERSION START
CONFIGURATION REGISTER
POWERS UP ONE OR
MORE CHANNELS
SECOND ACCURATE
CONVERSION START
CONFIGURATION
REGISTER
UPDATES
1 2 3 4 5 12 13 1
WR
D0–D7
*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.
DATA
IN
Figure 11. Powering Up an Analog Input Channel Directly (CHSHDN = 1, External-Clock Mode, One Channel Selected)