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TLC2578IDW Datasheet, PDF (28/49 Pages) Texas Instruments – 5-V ANALOG,3-/5-V DIGITAL, 14-/12-BIT, 200-KSPS, 4-/8-CHANNEL SERIAL ANALOG-TO-DIGITAL CONVERTERS WIRH 10-V INPUTS | |||
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TLC3574, TLC3578, TLC2574, TLC2578
5ÄV ANALOG, 3Ä/5ÄV DIGITAL, 14Ä/12ÄBIT, 200ÄKSPS, 4Ä/8ÄCHANNEL
SERIAL ANALOGÄTOÄDIGITAL CONVERTERS WITH ±10ÄV INPUTS
SLAS262C â OCTOBER 2000 â REVISED MAY 2003
conversion operation
48 SCLKs for Long Sampling
16 SCLKs for Short Sampling
12 345
67
12 13 14 15 16
1
CS
FS in High
Select Channel
ÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ SDI
ID15 ID14 ID13 1D12
ID15
INT
t(SAMPLE)
t(conv)
EOC
OR
SDO
Previous Conversion Result
OD15 OD14 OD13 OD12 OD11 OD10 OD9
ÃÃÃÃ OD4 OD3 OD2
HiâZ
OD15
The dotted line means signal may or may not exist.
OD[15:2] (for TLC3574/78) or OD [15:4] (for TLC2574/78) is the result of previous conversion.
ÃÃÃÃ Donât Care
Figure 11. Mode 00, CS Initiates Operation
SDO goes to HiâZ after 16th SCLK
48 SCLKs for Long Sampling
16 SCLKs for Short Sampling
12 345 67
12 13 14 15 16
1
SCLK
CS
FS
Select Channel
ÃÃÃÃÃÃ ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ SDI
ID15 1D14 ID13 1D12
ID15
INT
OR
t(SAMPLE)
t(conv)
EOC
SDO
ÃÃÃ Previous Conversion Result
SDO Goes Through Hi-Z After 16 SCLK
OD15 OD14 OD13 OD12 OD11 OD10 OD9
OD4 OD3 OD2
Hi-Z
OD15
The dotted line means signal may or may not exist.
OD[15:2] (for TLC3574/78) or OD[15:4](for TLC2574/78) is the result of previous conversion.
ÃÃÃDonât Care
ÃÃÃ Figure 12. Mode 00, FS Initiates Operation
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