
LTC2754
23
2754f
Figure 5. Optional Circuits for Driving IOUT2 from GND with a Force/Sense Amplier.
APPLICATIONS INFORMATION
–
+
–
+
1/2 LT1469
DAC A
LTC2754-16
VREF
5V
2
1
3
48
49
50
2
1
52
1
51
IOUT1A
15pF
IOUT2A
RFBA
VOSADJA
REFA
RCOMA
RINA
ROFSA
VOUTA
3
47
–
+
6
1
23
IOUT2
2
3
*SCHOTTKY BARRIER DIODE
ZETEX*
BAT54S
LT1001
2754 F05
1000pF
ALTERNATE AMPLIFIER FOR OPTIMUM SETTLING TIME PERFORMANCE
6
1
23
3, 12, 29, 38
–
+
LT1468
3
ZETEX
BAT54S
2
200Ω
200
IOUT2
150pF
3
2
DAC B
DAC C
DAC D
–
+
–
+
–
+
GEADJA