LT1394CS8#TR Linear Technology, LT1394CS8#TR Datasheet - Page 10

• Manufacturer Part Number: LT1394CS8#TR
• Description: IC COMPARATOR 7NS LOW PWR 8SOIC
• Manufacturer: Linear Technology
• Series: UltraFast™r
• Type: General Purposer

Specifications of LT1394CS8#TR

• Number Of Elements: 1
• Output Type: CMOS, Complementary, TTL
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LT1394
APPLICATIONS
10
Figure 6. Figure 5’s Compensated vs Uncompensated
Temperature Dependence. First Order Compensation
Reduces Oscillator Drift to 0.05ppm/ C
5V
–10
–20
–30
–40
–50
–60
–70
2k
0
0
10
390
(VARACTOR CORRECTION
10M
U
DISABLED) –1ppm/ C
20
TEMPERATURE ( C)
XTAL AT-CUT, 35 25 ANGLE
* 1% FILM RESISTOR
UNCOMPENSATED
1 F
INFORMATION
30
U
0.01 F
40
COMPENSATED
0.068 F
+
–
0.05ppm/ C
VARACTOR
LT1394
MV-209
DIODE
Figure 5. Temperature-Compensated 10MHz Crystal Oscillator.
Temperature-Dependent Varactor Bias Reduces Drift by 20:1
50
W
2k
60
10MHz
1394 F06
70
2M
U
2M
0.01 F
4.7k
BAT-85
+INPUT
–INPUT
Figure 7. Parallel Preamplified Paths Allow 18ns Comparator
Response to 500 V Overdrive
200pF
5.8M*
LT1077
A1
+
1 F
2k
–
+
50k
2k
200pF
470k*
+
–
–
+
+
–
1/2 LT1126
1/2 LT1126
LT1004-1.2
A = 100
LM733
1M*
1M*
–5V
5V
A1
A2
A3
–5V
5V
FREQ SET
200
+
–
10k
10k
1 F
1 F
1M
226 *
100k
1k
1k
5V
10k*
LM134
+
–
LT1394
10mV/ C
10MHz
0.05ppm/ C
1394 F05
OUTPUT
1394 F07