LTC2757 Datasheet, PDF (14/20 Pages) Linear Technology – 18-Bit SoftSpan IOUT DAC with Parallel I/O

LTC2757
OPERATION—EXAMPLES
2. Load ±10V range with the output at 5V, changing to –5V.
WR
SPAN I/O
INPUT
011
DATA I/O
INPUT
30000_H
UPD
D/S
READ = LOW
0V
V_OUT
UPDATE (5V)
10000_H
UPDATE (–5V)
+5V
–5V
2757 TD04
3. Write and update mid-scale code in 0V to 5V range (V_OUT = 2.5V) using readback to check the contents of the input
and DAC registers before updating.
WR
DATA I/O
INPUT
DATA I/O ^HI-Z
OUTPUT
UPD
D/S
READ
0V
V_OUT
HI-Z
20000_H
20000_H
INPUT REGISTER
00000_H
DAC REGISTER
UPDATE (2.5V)
+2.5V
2757 TD05
2757f
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