LT1394IS8#PBF Linear Technology, LT1394IS8#PBF Datasheet - Page 10

• Manufacturer Part Number: LT1394IS8#PBF
• Description: IC COMPARATOR LOW PWR 7NS 8-SOIC
• Manufacturer: Linear Technology
• Series: UltraFast™r
• Type: General Purposer

Specifications of LT1394IS8#PBF

• Number Of Elements: 1
• Output Type: CMOS, Complementary, TTL
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Comparator Type: General Purpose
• No. Of Comparators: 1
• Response Time: 7ns
• Ic Output Type: CMOS, MOS, Open-Collector / Drain, TTL
• Supply Current: 6mA
• Rohs Compliant: Yes
• Number Of Elements: 1
• Input Offset Voltage: 2.5mV
• Input Bias Current (typ): 4.5uA
• Supply Current (max): 8.5@±5VmA
• Power Supply Requirement: Single/Dual
• Common Mode Rejection Ratio: 100dB
• Voltage Gain In Db: 64.08dB
• Power Supply Rejection Ratio: 100dB
• Single Supply Voltage (max): 12V
• Dual Supply Voltage (max): ±6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC N
• Lead Free Status / RoHS Status: Lead free / RoHS 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