Datasheet

LTC2364-18
9
236418f
FUNCTIONAL BLOCK DIAGRAM
TIMING DIAGRAM
Conversion Timing Using the Serial Interface
REF = 5V
IN
+
V
DD
= 2.5V
OV
DD
= 1.8V to 5V
IN
–
CHAIN
CNV
GND
BUSY
SDO
SCK
RDL/SDI
CONTROL LOGIC
18-BIT SAMPLING ADC
SPI
PORT
+
–
236418 BD
POWER-DOWN
CONVERT
ACQUIRE
HOLD
D15D17 D16 D2 D1 D0
SDO
SCK
CNV
CHAIN, RDL/SDI = 0
BUSY
236418 TD01