LTC1402 Linear Technology, LTC1402 Datasheet - Page 9

• Manufacturer Part Number: LTC1402
• Description: Serial 12-Bit/ 2.2Msps Sampling ADC with Shutdown
• Manufacturer: Linear Technology

TI I G DIAGRA S
REFRDY
W
SLEEP
S/H STATUS
CONV
SCK
V
NAP
INTERNAL
REF
U
CONV
D
SCK
OUT
SAMPLE
t
t
4
6
D
t
SCK
8a
OUT
1
Hi-Z
t
3
W
NOTE: NAP AND SLEEP ARE INTERNAL SIGNALS. REFRDY APPEARS AS A BIT IN THE D
t
2
2
REF
D
3
OUT
t
1
D11
REPRESENTS THE ANALOG INPUT FROM THE PREVIOUS CONVERSION
t
10
4
t
8
D10
Nap Mode and Sleep Mode Waveforms
5
D9
6
REFRDY BIT + 12-BIT DATA WORD
SCK to D
D8
V
V
V
HOLD
IH
OH
OL
7
t
CONV
D7
OUT
t
8
THROUGHPUT
D6
Delay
D
SCK
OUT
9
D5
10
D4
11
D3
t
9
12
t
5
D2
t
1
OUT
13
WORD.
D1
1402 TD03
14
D0
t
12
V
90%
10%
SAMPLE
t
IH
t
7
t
t
11
15
ACQ
8
16
Hi-Z
LTC1402
1
HOLD
REF
1402 TD01
2
1402 TD02
9