
LTC2389-18
16
238918f
FuncTional block Diagram
18-BIT SAMPLING ADC
PARALLEL/
SERIAL
INTERFACE
SDI
SDO
SCK
CS
MODE1
MODE0
A1
A0
BUSY
238918 BD
18 BITS
1x BUFFER
REFOUT
REFIN
IN
–
IN
+
V
DD
OV
DD
LTC2389-18
VCM
REFSENSE
CONTROL LOGIC
4.096V
REFERENCE
CNVST PD/FD OB/2C RESET PD GND
18-BIT, 16-BIT OR
8-BIT BUS