LTC1283_15 Datasheet, PDF (12/24 Pages) Linear Technology – 3V Single Chip 10-Bit Data Acquisition System

LTC1283
APPLICATI S I FOR ATIO
8-Bit Word Length
CS
tSMPL
tCONV
SCLK
D_OUT
MSB-FIRST
D_OUT
LSB-FIRST
1
8
(SB)
B9 B8 B7 B6 B5 B4 B3 B2
B0 B1 B2 B3 B4 B5 B6 B7
10-Bit Word Length
CS
tSMPL
THE LAST TWO BITS
ARE TRUNCATED
tCONV
SCLK
D_OUT
MSB-FIRST
D_OUT
LSB-FIRST
1
10
(SB)
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
(SB)
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9
12-Bit Word Length
CS
tSMPL
tCONV
SCLK
D_OUT
MSB-FIRST
D_OUT
LSB-FIRST
1
10
12
(SB)
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
FILL
ZEROES
(SB)
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 * *
16-Bit Word Length
CS
tSMPL
tCONV
SCLK
1
10
16
D_OUT
MSB-FIRST
D_OUT
LSB-FIRST
(SB)
B9 B8 B7 B6 B5 B4 B3 B2 B1 B0
FILL
ZEROES
(SB)
B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 _{* * * * * *}
* IN UNIPOLAR MODE, THESE BITS ARE FILLED WITH ZEROES.
IN BIPOLAR MODE, THE SIGN BIT IS EXTENDED INTO THESE LOCATIONS.
LTC1283 • F02
Figure 2. Data Output (D_OUT) Timing with Different Word Lengths
12
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