LTC1274 Linear Technology, LTC1274 Datasheet - Page 18

• Manufacturer Part Number: LTC1274
• Description: 12-Bit/ 10mW/ 100ksps ADCs with 1uA Shutdown
• Manufacturer: Linear Technology

LTC1274/LTC1277
18
A
PPLICATI
HBEN (LTC1277)
HBEN (LTC1277)
LTC1274 DATA
LTC1277 DATA
LTC1274 DATA
LTC1277 DATA
CS = RD = 0
CONVST
CONVST
CS = 0
BUSY
BUSY
RD
O
DATA (N – 1)
DB7 TO DB0
U
S
Figure 14. Mode 1b. CONVST Starts a Conversion. Data Outputs Always Enabled
(CONVST =
t
I FOR ATIO
5
U
(SAMPLE N)
t
12
Figure 15. Mode 2. CONVST Starts a Conversion. Data is Read by RD
DB11 TO DB8
DATA (N – 1)
t
DB11 TO DB0
DATA (N – 1)
4
t
CONV
t
5
W
(SAMPLE N)
t
DATA (N – 1)
DB7 TO DB0
17
t
CONV
t
8
)
U
t
9
t
t
12
7
t
11
t
6
DB11 TO DB8
DB7 TO DB0
DATA N
DATA N
t
DB11 TO DB0
16
DATA N
t
15
t
7
t
10
DB7 TO DB0
DB11 TO DB0
DATA N
DB11 TO DB8
DATA N
DATA N
(SAMPLE N + 1)
t
16
t
5
(SAMPLE N + 1)
DB7 TO DB0
DATA N
DATA (N + 1)
DB7 TO DB0
DB11 TO DB0
DATA (N + 1)
LTC1274/77 • F15
LTC1274/77 • F14