LTC2355-12_09 LINER [Linear Technology], LTC2355-12_09 Datasheet - Page 9

• Manufacturer Part Number: LTC2355-12_09
• Description: Serial 12-Bit/14-Bit, 3.5Msps Sampling ADCs with Shutdown
• Manufacturer: LINER [Linear Technology]

timing Diagram
S/H STATUS
S/H STATUS
INTERNAL
INTERNAL
SLEEP
CONV
CONV
CONV
V
SCK
SLK
SDO
NAP
SCK
SDO
REF
NOTE: NAP AND SLEEP ARE INTERNAL SIGNALS
SAMPLE
SAMPLE
16
16
t
t
t
t
4
6
6
4
17
17
*BITS MARKED "X" AFTER D0 SHOULD BE IGNORED.
1
1
Hi-Z
Hi-Z
t
t
3
3
SDO
SCK
t
t
2
2
t
t
2
2
8
8
3
3
D13
D11
SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION
SDO REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION
4
4
t
1
D12
Nap Mode and Sleep Mode Waveforms
D10
t
10
t
8
5
5
D11
D9
LTC2355-12 Timing Diagram
LTC2355-14 Timing Diagram
6
6
D10
D8
SCK to SDO Delay
HOLD
HOLD
7
7
V
V
V
D9
D7
IH
OH
OL
8
8
t
t
1
1
t
t
CONV
CONV
t
t
D8
THROUGHPUT
D6
THROUGHPUT
14-BIT DATA WORD
14-BIT DATA WORD
9
9
D7
D5
SDO
SCK
t
t
10
10
10
10
D6
D4
11
11
LTC2355-12/LTC2355-14
D5
D3
12
12
D4
D2
t
9
13
13
D3
D1
t
1
14
14
2355 TD03
D2
D0
t
12
15
15
t
t
5
V
90%
10%
5
D1
IH
X
t
t
16
8
16
8
D0
X
17
17
SAMPLE
SAMPLE
t
t
7
7
t
t
9
9
18
18
Hi-Z
Hi-Z
1
1
2355 TD02
t
t
ACQ
ACQ
HOLD
HOLD
2355 TD01b
2355 TD01
2355fa