MAX1242 Maxim, MAX1242 Datasheet - Page 9

• Manufacturer Part Number: MAX1242
• Description: +2.7V to %.25V / Low-Power / 10-Bit Serial ADCs in SO-8
• Manufacturer: Maxim

Figure 9. Detailed Serial-Interface Timing
Figure 8a. Interface Timing Sequence
Figure 8b. Interface Timing Sequence—Minimum Cycle Time
INTERNAL
TRACK/HOLD
STATE
DOUT
INTERFACE IDLE
CYCLE TIME
SCLK
DOUT
SCLK
CS
T/H
CS
TRACK
(TRACK/ACQUIRE)
DOUT
INTERFACE IDLE
CYCLE TIME
SCLK
TRACK/HOLD
STATE
CS
_______________________________________________________________________________________
TRACK
t
t
t
DV
AP
CONVERSION
IN PROGRESS
7.5 s (t
CS0
HOLD
CONV
)
CONVERSION
IN PROGRESS
7.5 s (t
+2.7V to +5.25V, Low-Power, 10-Bit
HOLD
(HOLD)
CONV
t
EOC
CONV
0 s
EOC
)
1
B9
EOC
0 s
EOC
B8
t
STR
1
B7
CLOCK OUT SERIAL DATA
4
B9
12.5 0.476 s = 5.95 s
B6
TOTAL = 13.7 s
B8
TOTAL = 12.74 s
t
B5
DO
B7
CLOCK OUT SERIAL DATA
4
B4
10.5 0.476 s = 5 s
B6
TRACK
B3
TRACK
8
B5
B2
Serial ADCs in SO-8
t
CH
B0
(TRACK/ACQUIRE)
B4
B1
t
B3
CL
8
B0
B2
S1
S1
12
BITS
SUB
B1
S0
B0
S0
0.24 s
TRAILING
ZEROS
(t
0 s
CS
IDLE
)
16
t
TR
HOLD
0.24 s
t
CS
(t
CS
IDLE
)
HOLD
9