LT1720 Linear Technology, LT1720 Datasheet - Page 20

• Manufacturer Part Number: LT1720
• Description: 4ns/ 150MHz Dual Comparator with Independent Input/Output Supplies
• Manufacturer: Linear Technology

LT1720/LT1721
20
APPLICATIONS
COMMAND
SAMPLE
INPUT
10pF
2k
V
U
REF
COMP
SKEW
2k
C
2.5k
= CA3039 DIODE ARRAY
= 1N5711
0.1 F
Figure 17. Fast Waveform Sampler Using the LT1720 for Timing-Skew Compensation
IN
1.5k
(SUBSTRATE TO – 5V)
INFORMATION
U
+
1/4 LT1721
–
C
IN
U1A
3.6k
1/2 LT1720
1/2 LT1720
+
–
–
+
100mV FULL SCALE
909
W
V
CC
INPUT
Figure 16. 10ns Triple Overlap Generator
215
681
4.22k
U
1.1k
1.1k
820
MRF501
100pF
5V
V
CC
1k
750
453
2.2k
AC BALANCE
V
CC
10
11
51
1.37k
9
LM3045
681
3pF
–5V
6
13
MRF501
8
500
DC BALANCE
7
51
+
–
+
–
+
–
1/4 LT1721
1/4 LT1721
1/4 LT1721
U1B
U1C
U1D
2.2k
V
CC
1k
680
1720/21 F17
+
–
LT1227
5V
10ns
1.1k
820
1.1k
10ns
OUTPUTS
100
909
OUTPUT
1V FULL SCALE
1720/21 F16
10ns
10ns