LT1720IS8 Linear Technology, LT1720IS8 Datasheet - Page 18

• Manufacturer Part Number: LT1720IS8
• Description: IC COMP R-RINOUT DUAL 8-SOIC
• Manufacturer: Linear Technology
• Series: UltraFast™r
• Type: General Purposer

Specifications of LT1720IS8

• Number Of Elements: 2
• Output Type: CMOS, Rail-to-Rail, TTL
• Voltage - Supply: 2.7 V ~ 6 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIONS INFORMATION
LT1720/LT1721
18
0.1μF
Y
X
51Ω*
51Ω*
R9
487Ω*
X
Y
Z
1V
0V
1V
0V
5V
0V
RESULT OF X AND NOT Y
1/4 LT1721
–
4.53k
1/4 LT1721
+
+
–
R8*
U1A
U1B
DELAY DETECTOR
5V
Figure 12. 3ns Delay Detector with Logarithmic Pulse Stretcher
Figure 13. Output Pulse Due to Delay of Y Input Pulse
301Ω*
301Ω*
301Ω*
5V
R5
1.82k*
R7
261Ω*
5.6pF
C1
301Ω*
R6
1/4 LT1721
–
+
U1C
Z
* 1% METAL FILM RESISTOR
** 270pF 2 FOR REDUCED LEAD INDUCTANCE
V
IN
1N5711
OPTIONAL LOGARITHMIC PULSE STRETCHER (SEE TEXT)
V
C
CAPTURE
540pF
499Ω*
R1
C2
**
DECAY
1k*
R2
5V
+
–
475Ω*
R3
1Ω*
R4
30Ω*
V
OFF
1/4 LT1721
+
–
U1D
5V
0.33μF
17201 F12
L
17201fc