Datasheet

LTC2293/LTC2292/LTC2291
13
229321fa
FUNCTIONAL BLOCK DIAGRA
UU
W
Figure 1. Functional Block Diagram (Only One Channel is Shown)
SHIFT REGISTER
AND CORRECTION
DIFF
REF
AMP
REF
BUF
2.2µF
1µF1µF
0.1µF
INTERNAL CLOCK SIGNALSREFH REFL
CLOCK/DUTY
CYCLE
CONTROL
RANGE
SELECT
1.5V
REFERENCE
FIRST PIPELINED
ADC STAGE
FIFTH PIPELINED
ADC STAGE
SIXTH PIPELINED
ADC STAGE
FOURTH PIPELINED
ADC STAGE
SECOND PIPELINED
ADC STAGE
REFH
REFL
CLK
OEMODE
OGND
OV
DD
229321 F01
INPUT
S/H
SENSE
V
CM
A
IN
–
A
IN
+
2.2µF
THIRD PIPELINED
ADC STAGE
OUTPUT
DRIVERS
CONTROL
LOGIC
SHDN
OF
D11
D0
•
•
•