LTC1290BIJ Linear Technology, LTC1290BIJ Datasheet - Page 14

• Manufacturer Part Number: LTC1290BIJ
• Description: 12-BIT SERIAL I/O ADC W/8 CH MUX
• Manufacturer: Linear Technology
• Type: Data Acquisition System (DAS), ADCr

Specifications of LTC1290BIJ

• Resolution (bits): 12 b
• Sampling Rate (per Second): 50k
• Data Interface: Serial, Parallel
• Voltage Supply Source: Dual ±
• Voltage - Supply: ±5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1290
14
A
PPLICATI
MSB-FIRST
MSB-FIRST
MSB-FIRST
8-Bit Word Length
12-Bit Word Length
16-Bit Word Length
LSB-FIRST
LSB-FIRST
LSB-FIRST
SCLK
O
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
8
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
LTC1290 F02
t CONV
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