MAX1304_11 Datasheet, PDF (25/37 Pages) Maxim Integrated Products – 8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs with ±10V, ±5V

8-/4-/2-Channel, 12-Bit, Simultaneous-Sampling ADCs
with ±10V, ±5V, and 0 to +5V Analog Input Ranges
CS*
CONVST
CONFIGURATION
REGISTER
UPDATES
WR
D0–D7
DATA
IN
CLK
EOC
t_ACQ
DUMMY
CONVERSION
START
CONFIGURATION REGISTER
POWERS UP ONE OR
MORE CHANNELS
t_WAKE ≥ 1ms
1
2
3
4
5
t_ACQ
FIRST ACCURATE
CONVERSION
START
12
13
1
EOLC
*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.
Figure 10. Powering Up an Analog Input Channel with a Dummy Conversion and Wake-Up Time (CHSHDN = 0, External-Clock
Mode, One Channel Selected)
CS*
CONVST
CONFIGURATION
REGISTER
UPDATES
WR
D0–D7
DATA
IN
t_ACQ
FIRST ACCURATE
CONVERSION START
CONFIGURATION REGISTER
POWERS UP ONE OR
MORE CHANNELS
1
2
3
4
5
CLK
t_ACQ
SECOND ACCURATE
CONVERSION START
12
13
1
EOC
EOLC
*CS CAN BE LOW AT ALL TIMES, LOW DURING THE RD CYCLES, OR THE SAME AS RD.
Figure 11. Powering Up an Analog Input Channel Directly (CHSHDN = 1, External-Clock Mode, One Channel Selected)
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