LTC2757 Linear Technology, LTC2757 Datasheet - Page 14

• Manufacturer Part Number: LTC2757
• Description: 18-Bit SoftSpan IOUT DAC
• Manufacturer: Linear Technology

LTC2757
OPERATION—EXAMPLES
2. Load ±10V range with the output at 5V, changing to –5V.
3. Write and update mid-scale code in 0V to 5V range (V
14
and DAC registers before updating.
READ = LOW
DATA I/O
DATA I/O
OUTPUT
SPAN I/O
DATA I/O
INPUT
READ
V
UPD
INPUT
INPUT
WR
D/S
OUT
V
UPD
WR
D/S
OUT
HI-Z
0V
0V
20000
H
30000
HI-Z
H
INPUT REGISTER
20000
H
OUT
011
= 2.5V) using readback to check the contents of the input
DAC REGISTER
00000
UPDATE (5V)
H
+5V
UPDATE (2.5V)
UPDATE (–5V)
10000
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H
2757 TD05
+2.5V
2757 TD04
–5V
2757f