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LT1720 Datasheet(PDF) 4 Page - Linear Technology

Part # LT1720
Description  Dual/Quad, 4.5ns, Single Supply 3V/5V Comparators with Rail-to-Rail Outputs
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1720 Datasheet(HTML) 4 Page - Linear Technology

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4
LT1720/LT1721
TYPICAL PERFORMANCE CHARACTERISTICS
SUPPLY VOLTAGE (V)
2.5
3
2
1
0
–1
–2
–3
4.0
5.0
1720/21 G01
3.0
3.5
4.5
5.5
6.0
VTRIP
+
VOS
VTRIP
25
°C
VCM = 1V
Input Offset and Trip Voltages
vs Supply Voltage
TEMPERATURE (
°C)
–50
3.6
3.8
4.2
25
75
1720/21 G03
0.2
0
–25
0
50
100
125
– 0.2
– 0.4
4.0
VCC = 5V
Input Common Mode Limits
vs Temperature
Input Offset and Trip Voltages
vs Temperature
TEMPERATURE (
°C)
–3
–1
1
3
–2
0
2
– 25
25
100
1720/21 G02
–50
0
50
75
125
VTRIP
+
VOS
VTRIP
Quiescent Supply Current
vs Supply Voltage
Quiescent Supply Current
vs Temperature
Input Current
vs Differential Input Voltage
DIFFERENTIAL INPUT VOLTAGE (V)
–5
–7
–6
–4
–3
–2
1234
2
1720/21 G04
–5
–4 –3 –2 –1
0
5
–1
0
1
25
°C
VCC = 5V
TEMPERATURE (˚C)
–50
5.5
25
1720/21 G05
4.0
3.0
–25
0
50
2.5
2.0
6.0
5.0
4.5
3.5
75
100
125
VCC = 5V
VCC = 3V
SUPPLY VOLTAGE (V)
0
0
4
7
2
4
5
1720/21 G06
3
2
1
6
5
1
3
6
7
25
°C
125
°C
–55
°C
Propagation Delay
vs Supply Voltage
Propagation Delay
vs Temperature
Propagation Delay
vs Load Capacitance
OUTPUT LOAD CAPACITANCE (pF)
0
30
50
1720/21 G07
10
20
40
9
8
7
6
5
4
3
2
1
0
25
°C
VSTEP = 100mV
OVERDRIVE = 20mV
VCC = 5V
RISING EDGE
(tPDLH)
FALLING EDGE
(tPDHL)
TEMPERATURE (
°C)
–50
7.5
25
1720/21 G08
6.0
5.0
–25
0
50
4.5
4.0
8.0
7.0
6.5
5.5
75
100
125
VCC = 3V
VCC = 3V
VCC = 5V
VCC = 5V
tPDLH
VCM = 1V
VSTEP = 100mV
CLOAD = 10pF
OVERDRIVE = 5mV
OVERDRIVE = 20mV
SUPPLY VOLTAGE (V)
2.5
4.5
5.0
4.0
4.0
5.0
1720/21 G09
3.0
3.5
4.5
5.5
6.0
RISING EDGE
(tPDLH)
FALLING EDGE
(tPDHL)
25
°C
VSTEP = 100mV
OVERDRIVE = 20mV
CLOAD = 10pF


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