LTC1289 Linear Technology, LTC1289 Datasheet - Page 13

• Manufacturer Part Number: LTC1289
• Description: 3 Volt Single Chip 12-Bit Data Acquisition System
• Manufacturer: Linear Technology

A
PPLICATI
MSB-FIRST
MSB-FIRST
MSB-FIRST
12-Bit Word Length
16-Bit Word Length
8-Bit Word Length
LSB-FIRST
LSB-FIRST
LSB-FIRST
O
SCLK
SCLK
SCLK
D
D
D
D
D
D
OUT
OUT
OUT
OUT
OUT
OUT
CS
CS
CS
U
* IN UNIPOLAR MODE, THESE BITS ARE FILLED WITH ZEROS.
IN BIPOLAR MODE, THE SIGN BIT IS EXTENDED INTO THESE LOCATIONS.
S
I FOR ATIO
U
(SB)
(SB)
(SB)
B11
B11
B11
B0
B0
B0
1
1
1
Figure 2. Data Output (D
B10
B10
B10
B1
B1
B1
W
B9
B2
B9
B2
B9
B2
B8
B3
B8
B3
B8
B3
B7
B4
B7
B4
B7
B4
U
B6
B5
B6
B5
B6
B5
OUT
t SMPL
B5
B6
B5
B6
B5
B6
) Timing with Different Word Lengths
B4
B7
B4
B7
B4
B7
t SMPL
B3
B8
B3
B8
t CONV
B2
B9
B2
B9
THE LAST FOUR BITS
ARE TRUNCATED
10
t SMPL
B10
B10
B1
B1
(SB)
(SB)
B11
B11
B0
B0
12
12
ZEROS
FILL
t CONV
*
*
*
16
LTC1289 AIF02
t CONV
LTC1289
13