LTC2233 Linear Technology, LTC2233 Datasheet - Page 13

• Manufacturer Part Number: LTC2233
• Description: 10-Bit 105Msps/80Msps ADCs
• Manufacturer: Linear Technology

FUNCTIONAL BLOCK DIAGRA
TI I G DIAGRA S
W U
U
SENSE
2.2µF
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
U
SELECT
RANGE
1.6V
BUF
REF
CLOCKOUT
D0-D9, OF
W
ANALOG
FIRST PIPELINED
INPUT
ENC
ENC
ADC STAGE
–
+
DIFF
AMP
REF
N
0.1µF
t
H
REFLB
1µF
t
t
t
Figure 1. Functional Block Diagram
AP
D
C
SECOND PIPELINED
N – 5
REFH
ADC STAGE
REFHA
t
L
2.2µF
W
N + 1
REFL
Timing Diagram
REFLA REFHB
1µF
N – 4
0.1µF
INTERNAL CLOCK SIGNALS
THIRD PIPELINED
DIFFERENTIAL
N + 2
ENC
LOW JITTER
ADC STAGE
DRIVER
CLOCK
INPUT
+
ENC
N – 3
–
N + 3
M0DE
FOURTH PIPELINED
CONTROL
LOGIC
SHDN
N – 2
ADC STAGE
LTC2232/LTC2233
OE
N + 4
22323 TD02
N – 1
AND CORRECTION
FIFTH PIPELINED
SHIFT REGISTER
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ADC STAGE
DRIVERS
OUTPUT
OGND
22323 F01
•
•
•
13
OF
D9
D0
CLKOUT
OV
22323fa
DD