TLC2551_16 Datasheet, PDF (6/28 Pages) Texas Instruments – 5-V, LOW-POWER, 12-BIT, 175/360 KSPS, SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN

TLC2551, TLC2552, TLC2555
5-V, LOW-POWER, 12-BIT, 175/360 KSPS,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTOPOWER DOWN
SLAS276D – MARCH 2000 – REVISED MAY 2003
timing diagrams/conversion cycles
1234567
12 13 14 15 16
44
1
SCLK
CS
FS
SDO
SCLK
CS
FS
SDO
t(sample)
tc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _{OD11 OD10 OD9 OD8 OD7 OD6 OD5}
OD0
t(powerdown)
Figure 2. TLC2551 Timing: Control via CS (FS = 1)
123456
12 13 14 15 16
44
1
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ _OD11
t(sample)
OD10 OD9 OD8 OD7 OD6
OD0
t(powerdown)
tc
Figure 3. TLC2551 Timing: Control via CS and FS or FS Only
SCLK
12345
1 4 12
16
44
1 4 12
16
<8 SCLKs, MUX
CS
Resets to AIN0
>8 SCLKs, MUX Toggles to AIN1
t(powerdown)
t(sample)
t(sample)
SDO
ÎÎÎÎÎÎ ÎÎÎÎÎÎÎ ^tc
AIN0 Result
OD11
ÎÎÎ ^tc
OD0
SCLK
CS
Figure 4. TLC2552 Reset Timing
1234567
12 13 14 15 16
44
1
SDO
t(sample)
OD11 OD10 OD9
OD8
OD7
OD6
OD5
ÎÎÎÎÎÎ ^tc
OD0
t(powerdown)
OD11 OD10 OD9
Figure 5. TLC2552 and TLC2555 Timing
6
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265