Datasheet

5
®
DAC7714
PIN CONFIGURATION—U Package
Top View SO
PIN DESCRIPTIONS—U Package
PIN LABEL DESCRIPTION
1V
CC
Positive Analog Supply Voltage, +15V nominal.
2V
OUTD
DAC D Voltage Output
3V
OUTC
DAC C Voltage Output
4V
REFL
Reference Input Voltage Low. Sets minimum
output voltage for all DACs.
5V
REFH
Reference Input Voltage High. Sets maximum
output voltage for all DACs.
6V
OUTB
DAC B Voltage Output
7V
OUTA
DAC A Voltage Output
8V
SS
Negative Analog Supply Voltage, 0V or –15V
nominal.
9 GND Ground
10 SDI Serial Data Input
11 CLK Serial Data Clock
12 CS Chip Select Input
13 NIC Not Internally Connected
14 LOADDACS The selected DAC register becomes transparent
when LOADDACS is LOW. It is in the latched
state when LOADDACS is HIGH.
15 RESET Asynchronous Reset Input. Sets all DAC
registers to either zero-scale (000
H
) or mid-
scale (800
H
) when LOW. RESETSEL determines
which code is active.
16 RESETSEL When LOW, a LOW on RESET will cause all
DAC registers to be set to code 000
H
. When
RESETSEL is HIGH, a LOW on RESET will set
the registers to code 800
H
.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
CC
V
OUTD
V
OUTC
V
REFL
V
REFH
V
OUTB
V
OUTA
V
SS
RESETSEL
RESET
LOADDACS
NIC
CS
CLK
SDI
GND
DAC7714U