TLC3574IDW 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 WITH 10-V INPUTS

TLC3574, TLC3578, TLC2574, TLC2578
5ĆV ANALOG, 3Ć/5ĆV DIGITAL, 14Ć/12ĆBIT, 200ĆKSPS, 4Ć/8ĆCHANNEL
SERIAL ANALOGĆTOĆDIGITAL CONVERTERS WITH ±10ĆV INPUTS
SLAS262C − OCTOBER 2000 − 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
ÌÌÌÌÌÌ ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌ _SDI
ID15 ID14 ID13 1D12
ID15
INT
t_(SAMPLE)
t(conv)
EOC
OR
SDO
Previous Conversion Result
OD15 OD14 OD13 OD12 OD11 OD10 OD9
ÌÌÌÌ ^{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.
ÌÌÌÌ Don’t Care
Figure 11. Mode 00, CS Initiates Operation
SDO goes to Hi−Z 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
ÌÌÌÌÌÌ ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌ _SDI
ID15 1D14 ID13 1D12
ID15
INT
OR
t_(SAMPLE)
t_(conv)
EOC
SDO
ÌÌÌ ^{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.
ÌÌÌDon’t Care
ÌÌÌ _{Figure 12. Mode 00, FS Initiates Operation}
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