LTC2172-12 Linear Technology, LTC2172-12 Datasheet - Page 9

• Manufacturer Part Number: LTC2172-12
• Description: (LTC217x-12) 65Msps/40Msps/ 25Msps Low Power Quad ADCs
• Manufacturer: Linear Technology

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TIMING DIAGRAMS
ANALOG
OUT#A
OUT#A
OUT#B
*D
INPUT
VERSIONS OF THESE A/Ds. DURING NORMAL NON-OVERRANGED OPERATION D
LOGIC 0. SEE THE DATA FORMAT SECTION FOR MORE DETAILS.
DCO
DCO
ENC
ENC
X
FR
FR
AND D
–
+
–
+
–
+
–
+
+
, OUT#B
SAMPLE N-6
Y
D
ARE EXTRA NON-DATA BITS FOR COMPLETE SOFTWARE COMPATIBILITY WITH THE 14-BIT
X
*
–
ARE DISABLED
D
Y
N
*
t
0
PD
t
AP
0
ANALOG
OUT#A
OUT#A
OUT#B
OUT#B
INPUT
DCO
DCO
ENC
ENC
FR
FR
SAMPLE N-5
D11
–
+
–
+
+
–
–
+
–
+
t
ENCH
SAMPLE N-6
D10
D7
D6
t
FRAME
D9
D5
D4
N
t
D8
FRAME
t
D3
D2
2-Lane Output Mode, 12-Bit Serialization
1-Lane Output Mode, 16-Bit Serialization
ENCH
t
PD
t
AP
D7
D1
D0
SAMPLE N-5
D6
D11
D10
t
DATA
D5
D9
D8
t
ENCL
X
AND D
D4
D7
D6
Y
ARE SET TO
N + 1
t
D3
SER
D5
D4
t
DATA
t
ENCL
t
SER
D2
D3
D2
LTC2171-12/LTC2170-12
t
SER
D1
D1
D0
t
t
SER
SER
SAMPLE N-4
D0
D11
D10
t
SER
D
D9
D8
X
*
D
N + 1
D7
D6
Y
*
217212 TD03
0
LTC2172-12/
0
D11
SAMPLE N-4
D10
D9
D8
217212 TD04
21721012f
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