XTR111_07 BURR-BROWN [Burr-Brown Corporation], XTR111_07 Datasheet - Page 17

• Manufacturer Part Number: XTR111_07
• Description: Precision Voltage-to-Current Converter/Transmitter
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

Figure 11. Precision Current Output with Signal from 16-Bit DAC. Input Offset Shifted (R4) by 10mV for
Digital I/O
www.ti.com
NOTE: Calculate R
Voltage Reference
5V
16− Bit Digital−to−Analog
REF3040
4096mV
Converter
DAC8551
Figure 12. 0V to 10V or 0mA to 20mA Output Selected by Jumper (SW1)
SE T
for R
C
470nF
Signal Input
0V to 10V
2
4
Parallel to R
R
2kΩ
R
3k Ω
2k Ω
1
2
R
5
4
6
S ET
3
.
5
4
6
REGF
REGS
3V
VIN
10
GND
REGF
REGS
3V
VIN
817.2kΩ
R
4
Zero Adjustment Range
1
VSP
7
1
VSP
SET
7
R
5kΩ
S E T
Current
Mirror
SET
R
2k Ω
(1.995kΩ)
Current
SE T
Mirror
Voltage (close) Output
Current (open) or
SW1
10
GND
OD
VG
EF
IS
OD
VG
EF
IS
9
8
2
3
G
9
8
2
3
G
S
D
D
S
Q
C
1
LO AD
Q
C
Load
1
LO AD
Load
R
LO A D
R
L OA D
SBOS375 − NOVEMBER 2006
0mA to 20mA output
for 10mV to 4096mV input
or a code of 160b to 65536b
XTR111
17