LTC2242IUP-12 Linear Technology, LTC2242IUP-12 Datasheet - Page 11

• Manufacturer Part Number: LTC2242IUP-12
• Description: IC,A/D CONVERTER,SINGLE,12-BIT,CMOS,LLCC,64PIN
• Manufacturer: Linear Technology

FUNCTIONAL BLOCK DIAGRAM
SENSE
2.2μF
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.25V
BUF
REF
FIRST PIPELINED
ADC STAGE
DIFF
AMP
REF
0.1μF
REFLB
1μF
SECOND PIPELINED
Figure 1. Functional Block Diagram
REFH
ADC STAGE
REFHA
2.2μF
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
OE
AND CORRECTION
FIFTH PIPELINED
SHIFT REGISTER
LTC2242-12
ADC STAGE
DRIVERS
OUTPUT
OGND
224212 F01
•
•
•
GND
OV
+
–
+
–
+
– +
–
V
11
DD
DD
OF
D11
D0
CLKOUT
224212fb