Datasheet

SWIF
6'
+
-
CONTROLLER
OSC
POR
VA
C3C2C1
NC
DBACK
DIN
ERRLVL
ERRB
ACKB
BASE
OUT
COMD
COMA
VD
DACCODE
LCK
CONFIG1 CONFIG2 CONFIG3
ERR_HIGH
ERR_LOW
LOW
COMA
40
80k
15k 15k 15k
I
REF
VA
COMD
COMD
COMA
BASE
OUT
C2
DBACK
LOW
C3
DIN
C1
VD
ERRLVL
ACKB
VA
COMD
40
µC
Sensor
GPIO
IN
HART Modulator
LDO
Industrial 4-20mA Transmitter
0-24 mA Loop
+
-
LOOP
SUPPLY
LOOP
RECEIVER
Single Wire Interface
(SWIF)
and
Controller
80k
I
DAC
ÐÂ DAC
16
DAC161P997
LOOP+
LOOP-
NC
ERRB
XFRMR
+
COM
Circuit common
return node
-
Galvanic Boundary
DAC161P997
SNAS515E –JULY 2011–REVISED OCTOBER 2013 www.ti.com
Typical Application - Conceptual Schematic
Block Diagram
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Product Folder Links: DAC161P997