ltc2220cup-trpbf Linear Technology Corporation, ltc2220cup-trpbf Datasheet - Page 15

• Manufacturer Part Number: ltc2220cup-trpbf
• Description: Ltc2221 - 12-bit, 135msps Adcs
• Manufacturer: Linear Technology Corporation

FUNCTIONAL BLOCK DIAGRA
SENSE
2.2µF
U
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.6V
U
REF
BUF
FIRST PIPELINED
ADC STAGE
AMP
DIFF
REF
0.1µF
1µF
REFLB
SECOND PIPELINED
Figure 1. Functional Block Diagram
REFH
ADC STAGE
REFHA
2.2µF
W
REFL
REFLA REFHB
1µF
0.1µF
INTERNAL CLOCK SIGNALS
THIRD PIPELINED
DIFFERENTIAL
ENC
LOW JITTER
ADC STAGE
DRIVER
CLOCK
INPUT
+
ENC
–
M0DE
LVDS SHDN
FOURTH PIPELINED
CONTROL
LOGIC
ADC STAGE
LTC2220/LTC2221
OE
AND CORRECTION
FIFTH PIPELINED
SHIFT REGISTER
ADC STAGE
DRIVERS
OUTPUT
OGND
22201 F01
•
•
•
15
GND
OV
+
–
+
–
+
– +
–
V
DD
22201fa
DD
OF
D11
D0
CLKOUT