2-Wire, 4–20mA
Smart Signal Conditioner
You may have to adapt various portions of the com-
pensation procedure if you are using a different pres-
sure controller, oven, or DVM than what the system was
designed to accommodate. Contact factory for pricing
and availability.
Customization
Maxim can customize the MAX1459 for high-volume
applications. With a dedicated cell library consisting of
more than 200 sensor-specific functional blocks, Maxim
can quickly provide customized MAX1459 solutions.
Please contact Maxim for further information.
BDRIVE
INP
INM
ISRC
Functional Diagram
Σ
VDD
VDD
MAX1459
NBIAS
PGA
OUT
OUTPUT
SELECT
AMP-
AMP+
AMPOUT
CS
WE
SCLK
DIO
RFTC
RISRC
128-BIT
VSS
EEPROM
DIGITAL
INTERFACE
TEMPIN
FSOTC
A=1
TEMP1
TEMP2
VSS
Chip Information
TRANSISTOR COUNT: 7792
SUBSTRATE CONNECTED TO VSS
22 ______________________________________________________________________________________