LTC2492 Linear Technology, LTC2492 Datasheet - Page 12

• Manufacturer Part Number: LTC2492
• Description: 24-Bit 2-/4-Channel ADC
• Manufacturer: Linear Technology

www.DataSheet4U.com
FUNCTIONAL BLOCK DIAGRAM
LTC2492
TEST CIRCUITS
12
GND
V
CC
SDO
REF
REF
COM
CH0
CH1
CH2
CH3
+
–
Hi-Z TO V
V
V
1.69k
OL
OH
TO V
TO Hi-Z
OH
OH
SENSOR
TEMP
MUX
C
LOAD
IN
IN
2492 TC01
+
–
= 20pF
Figure 1. Functional Block Diagram
Δ∑ MODULATOR
–
DIFFERENTIAL
3RD ORDER
+
AUTOCALIBRATION
DECIMATING FIR
AND CONTROL
ADDRESS
SDO
Hi-Z TO V
V
V
OH
OL
OSCILLATOR
V
TO Hi-Z
TO V
INTERFACE
INTERNAL
CC
SERIAL
1.69k
C
OL
OL
LOAD
2492 BD
2492 TC02
= 20pF
F
(INT/EXT)
SDI
SCK
SDO
CS
O
2492fb