Datasheet

MAX191
Low-Power, 12-Bit Sampling ADC
with Internal Reference and Power-Down
______________________________________________________________________________________ 11
DATA
HOLD*
TRACK
NEW DATA
D11–D8
*INTERNAL SIGNAL. TRACKING INPUT SIGNAL WHEN HOLD = Low, HOLDING WHEN HOLD = High.
t
8
t
CONV
BUSY
RD
CS
HBEN
t
1
t
2
t
3
t
12
NEW DATA
D7–D0
OLD DATA
D7–D0
t
6
t
7
t
3
t
7
t
10
t
11
t
10
t
12
t
4
t
1
t
5
t
5
t
9
t
8
t
9
Figure 7. Slow-Memory Mode Timing
HBEN
CS
RD
BUSY
DATA
HOLD*
TRACK
t
12
t
3
t
7
t
12
t
3
t
7
t
3
t
7
t
11
t
10
t
2
t
2
t
CONV
t
5
t
4
t
1
t
5
t
4
t
1
t
5
t
4
t
1
t
8
t
9
t
8
t
9
t
8
t
9
OLD DATA
D7–D0
NEW DATA
D11–D8
NEW DATA
D7–D0
*INTERNAL SIGNAL. TRACKING INPUT SIGNAL WHEN HOLD = Low, HOLDING WHEN HOLD = High.
Figure 8. ROM Mode Timing