Datasheet

LTC2356-12/LTC2356-14
10
2356fb
TIMING DIAGRAM
Nap Mode and Sleep Mode Waveforms
SCK to SDO Delay
LTC2356-12 Timing Diagram
LTC2356-14 Timing Diagram
SCK
CONV
INTERNAL
S/H STATUS
SDO
t
7
t
3
t
1
11817 2 3 4 5 6 7 8 9 10 11 12 13
14
15 16 17 18
t
2
t
6
t
8
t
4
t
5
t
8
t
9
t
ACQ
SAMPLE HOLD HOLD
Hi-Z
Hi-Z
t
CONV
14-BIT DATA WORD
SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION
*BITS MARKED "X" AFTER D0 SHOULD BE IGNORED.
t
THROUGHPUT
2356 TD01
D11 D10 D8 D7 D6 D5 D4 D3 D2 D1 D0 X* X*D9
SAMPLE
1
SCK
CONV
INTERNAL
S/H STATUS
SDO
t
7
t
3
t
1
11817 2 3 4 5 6 7 8 9 10 11 12 13
14
15 16 17 18
t
2
t
6
t
8
t
4
t
5
t
8
t
9
t
ACQ
SAMPLE HOLD HOLD
Hi-Z
Hi-Z
t
CONV
14-BIT DATA WORD
SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION
t
THROUGHPUT
2356 TD01b
D13 D12 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0D11
SAMPLE
1
SCK
CONV
NAP
SLEEP
V
REF
t
1
t
12
t
1
NOTE: NAP AND SLEEP ARE INTERNAL SIGNALS
2356 TD02
t
8
t
10
SCK
SDO
2356 TD03
V
IH
V
OH
V
OL
t
9
SCK
SDO
V
IH
90%
10%