DAC161S997_15 Datasheet, PDF (3/39 Pages) Texas Instruments – DAC161S997 16-Bit SPI-Programmable DAC for 4-20 mA Loops

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6 Pin Configuration and Functions
RGH Package
16-Pin WQFN
(Top View)
DAC161S997
SNAS621A – JUNE 2013 – REVISED DECEMBER 2014
COMA 1
COMD 2
VD
3
SCLK 4
DAP=COMA
12 C3
11
NC
10 ERRLVL
9
OUT
NAME
BASE
COMA
COMD
CSB
C1
C2
C3
EERB
ERRLVL
NC
OUT
SCLK
SDI
SDO
VA
VD
DAP
PIN
NO.
16
1
2
6
14
13
12
7
10
11
9
4
5
8
15
3
DAP
TYPE ⁽¹⁾
A
P
P
I
A
A
A
O
I
–
A
I
I
O
P
P
P
Pin Functions
DESCRIPTION
External NPN base drive
Analog-block negative supply rail (local COMMON)
Digital-block negative supply rail (local COMMON)
SPI chip select
External capacitor
External capacitor, HART input
External capacitor
Error flag output, open drain, active LOW
Sets output-current level at power up and under-error conditions.
Do not connect to this pin.
Loop output current source output
SPI clock input
SPI data input
SPI data output
Analog-block positive supply rail
Digital-block positive supply rail.
Die attach pad. Connect directly to local COMMON (COMA, COMD).
(1) G = Ground, I = Digital Input, O = Digital Output, P = Power, A = Analog
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