Datasheet

8
LTC1405
1405fa
CLK
1405 TD
ANALOG
INPUT
DATA
OUTPUT
t
CONV
t
CLOCK
t
H
t
L
N – 3
N
N + 1
N + 2
N + 3
N – 2 N – 1 N
t
ACQ
TI I G DIAGRA
UWW
FU CTIO AL BLOCK DIAGRA
UU
W
DIGITAL CORRECTION
LOGIC
OUTPUT
BUFFERS
1405 FBD
MODE SELECT
PIPELINED 12-BIT ADCS/H
0V OR –5V
V
CM
GAIN
5V
V
DD
(PIN 7)
V
DD
(PIN 23) OV
DD
OGND
OPTIONAL 3V
LOGIC SUPPLY
OF
D11 (MSB)
D0 (LSB)
CLK
SENSE
V
REF
–A
IN
+
A
IN
GND
(PIN 24)
GND
(PIN 8)
V
SS
GND
(PIN 6)
2.048V
2.5V
REFERENCE