Datasheet

LTC2492
12
2492fd
FUNCTIONAL BLOCK DIAGRAM
TEST CIRCUITS
AUTOCALIBRATION
AND CONTROL
DIFFERENTIAL
3RD ORDER
Δ∑ MODULATOR
DECIMATING FIR
ADDRESS
INTERNAL
OSCILLATOR
SERIAL
INTERFACE
GND
V
CC
CH0
CH1
CH2
CH3
COM
MUX
IN
+
IN
–
SDO
SCK
REF
+
REF
–
CS
SDI
f
O
(INT/EXT)
2492 BD
+
–
TEMP
SENSOR
1.69k
SDO
2492 TC01
Hi-Z TO V
OH
V
OL
TO V
OH
V
OH
TO Hi-Z
C
LOAD
= 20pF
1.69k
SDO
2492 TC02
Hi-Z TO V
OL
V
OH
TO V
OL
V
OL
TO Hi-Z
C
LOAD
= 20pF
V
CC
Figure 1. Functional Block Diagram