Datasheet

13
LTC1090
1090fc
8-Bit Word Length
10-Bit Word Length
12-Bit Word Length
16-Bit Word Length
Figure 2. Data Output (D
OUT)
Timing with Different Word Lengths
APPLICATIO S I FOR ATIO
WUUU
(SB)
SCLK
D
OUT
MSB FIRST
D
OUT
LSB FIRST
18
B9 B8 B7 B6 B5 B4 B3
B0 B1 B2 B3 B4 B5 B6
B2
B7
CS
t
SMPL
t
CONV
THE LAST TWO BITS
ARE TRUNCATED
LTC1090 • AI08A
(SB)
(SB)
SCLK
D
OUT
MSB FIRST
D
OUT
LSB FIRST
1
10
B9 B8 B7 B6 B5 B4 B3
B0 B1 B2 B3 B4 B5 B6
B2 B1 B0
B7 B8 B9
CS
t
SMPL
t
CONV
LTC1090 • AI08B
(SB)
(SB)
SCLK
D
OUT
MSB FIRST
D
OUT
LSB FIRST
1
1210
B9 B8 B7 B6 B5 B4 B3
B0 B1 B2 B3 B4 B5 B6
B2 B1 B0
B7 B8 B9
CS
t
SMPL
t
CONV
FILL
ZEROES
**
LTC1090 • AI08C
(SB)
(SB)
SCLK
D
OUT
MSB FIRST
D
OUT
LSB FIRST
1
16
10
B9 B8 B7 B6 B5 B4 B3
B0 B1 B2 B3 B4 B5 B6
B2 B1 B0
B7 B8 B9
CS
t
SMPL
t
CONV
FILL
ZEROES
** * ***
*IN UNIPOLAR MODE, THESE BITS ARE FILLED WITH ZEROES.
IN BIPOLAR MODE, THE SIGN BIT IS EXTENDED INTO THESE LOCATIONS
LTC1090 • AI08D