Datasheet

LTC2498
12
2498ff
test circuits
1.69k
SDO
2498 TC01
Hi-Z TO V
OH
V
OL
TO V
OH
V
OH
TO Hi-Z
C
LOAD
= 20pF
1.69k
SDO
2498 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
AUTOCALIBRATION
AND CONTROL
DIFFERENTIAL
3RD ORDER
ΔΣ MODULATOR
DECIMATING FIR
ADDRESS
INTERNAL
OSCILLATOR
SERIAL
INTERFACE
GND
V
CC
CH0
CH1
•
•
•
CH15
COM
MUX
MUXOUTP
MUXOUTN
ADCINP
ADCINN
SDO
SCK
REF
+
REF
–
CS
SDI
f
O
(INT/EXT)
2498 BD
+
–
TEMP
SENSOR
Functional block DiagraM