Datasheet

9
LTC1402
TI I G DIAGRA S
UW
W
Nap Mode and Sleep Mode Waveforms
SCK to D
OUT
Delay
SCK
CONV
NAP
SLEEP
V
REF
t
1
t
12
t
11
t
1
REFRDY
NOTE: NAP AND SLEEP ARE INTERNAL SIGNALS. REFRDY APPEARS AS A BIT IN THE D
OUT
WORD.
1402 TD02
t
8
t
10
SCK
D
OUT
1402 TD03
V
IH
V
OH
V
OL
t
9
SCK
D
OUT
V
IH
90%
10%
SCK
CONV
INTERNAL
S/H STATUS
D
OUT
t
7
t
3
12345678910111213
14
15 16 1 2
t
2
t
6
t
8a
t
4
t
5
t
8
t
0
SAMPLE SAMPLEHOLD HOLD
Hi-Z Hi-Z
t
CONV
REFRDY BIT + 12-BIT DATA WORD
D
OUT
REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION
t
THROUGHPUT
1402 TD01
REF D11 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0D10
REF