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Part Name
Description
LTC2272 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2272
16-Bit, 80Msps/65Msps Serial Output ADC
Linear Technology
'LTC2272' PDF : 44 Pages
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BLOCK DIAGRAM
LTC2273/LTC2272
A
IN+
+
S/H
AND PGA
A
IN–
–
FIRST
STAGE
PIPELINED ADC STAGES
SECOND
STAGE
THIRD
STAGE
FOURTH
STAGE
FIFTH
STAGE
FAM
8B/10B
ENCODER
16
SYNC
+
SYNC
–
DITHER SIGNAL
GENERATOR
20
CORRECTION
LOGIC
OV
DD
REFERENCE
CONTROL
SENSE
0.5x
V
CM
1x OR 2x
ADC
REFERENCE
2.5V
REFERENCE
CLOCK DRIVER
WITH DUTY CYCLE
CONTROL
ENC
+
ENC
–
PGA
CONTROL LOGIC
DITH
MSBINV SHDN
SERIALIZER
CMLOUT
+
CMLOUT
–
20X CLK
SCRAMBLER/
PATTERN
GENERATOR
PAT1 PAT0
SCRAM
V
DD
PLL
SRR1 SRR0 GND
22732 BD
Figure 1. Functional Block Diagram
22732f
17
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