9
LTC2420
UU
W
FU CTIO AL BLOCK DIAGRA
TEST CIRCUITS
AUTOCALIBRATION
AND CONTROL
DAC
DECIMATING FIR
INTERNAL
OSCILLATOR
SERIAL
INTERFACE
ADC
∑
∫∫∫
GND
V
CC
V
IN
SDO
SCK
V
REF
CS
F
O
(INT/EXT)
2420 FD
3.4k
SDO
2420 TC01
Hi-Z TO V
OH
V
OL
TO V
OH
V
OH
TO Hi-Z
C
LOAD
= 20pF
3.4k
SDO
2420 TC02
Hi-Z TO V
OL
V
OH
TO V
OL
V
OL
TO Hi-Z
C
LOAD
= 20pF
V
CC
