Datasheet

10
LTC1744
1744f
OF
14-BIT
PIPELINED ADC
14
S/H
CIRCUIT
±1V
DIFFERENTIAL
ANALOG INPUT
A
IN
+
A
IN
–
SENSE
V
CM
4.7µF
DIFF AMP
REFLA REFHB
GND
1744 BD
ENC
4.7µF
0.1µF0.1µF
1µF1µF
REFHAREFLB
BUFFER
RANGE
SELECT
2.5V
REF
CORRECTION
LOGIC AND
SHIFT
REGISTER
OUTPUT
LATCHES
CONTROL LOGIC
OV
DD
V
DD
OGND
0.5V TO 5V
5V
0.1µF
1µF 1µF 1µF
D13
D0
CLKOUT
•
•
•
ENC
DIFFERENTIAL
ENCODE INPUT
OEMSBINV
0.1µF
t
4
1744 TD
t
3
t
6
t
5
t
5
N
t
1
t
2
DATA (N – 5)
DB13 TO DB0
ANALOG
INPUT
ENCODE
DATA
CLKOUT
DATA (N – 4)
DB13 TO DB0
DATA (N – 3)
DB13 TO DB0
t
7
t
8
DATA N
DB13 TO DB0, OF AND CLKOUT
OE
DATA
TI I G DIAGRA
UWW
UU
W
FU CTIO AL BLOCK DIAGRA