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 DIAGRA
SENSE
2.2µF
U
A
A
V
IN
IN
CM
+
–
INPUT
REFERENCE
S/H
SELECT
RANGE
1.25V
U
REF
BUF
FIRST PIPELINED
ADC STAGE
DIFF
AMP
REF
0.1µF
REFLB
1µF
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
LOW JITTER
ENC
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
•
•
•
11
GND
OV
+
–
+
–
+
– +
–
V
DD
OF
DD
D11
D0
224212f
CLKOUT