Datasheet

LT1720/LT1721
5
17201fc
TYPICAL PERFORMANCE CHARACTERISTICS
DIFFERENTIAL INPUT VOLTAGE (V)
–5
–7
INPUT CURRENT (μA)
–6
–4
–3
–2
1234
2
17201 G04
–5
–4 –3 –2 –1 0 5
–1
0
1
25°C
V
CC
= 5V
TEMPERATURE (˚C)
–50
QUIESCENT SUPPLY CURRENT PER COMPARATOR (mA)
5.5
25
17201 G05
4.0
3.0
–25 0 50
2.5
2.0
6.0
5.0
4.5
3.5
75 100 125
V
CC
= 5V
V
CC
= 3V
SUPPLY VOLTAGE (V)
0
0
SUPPLY CURRENT PER COMPARATOR (mA)
4
7
2
4
5
17201 G06
3
2
1
6
5
1
3
6
7
25°C
125°C
–55°C
OUTPUT LOAD CAPACITANCE (pF)
0
DELAY (ns)
30
50
17201 G07
10 20 40
9
8
7
6
5
4
3
2
1
0
25°C
V
STEP
= 100mV
OVERDRIVE = 20mV
V
CC
= 5V
RISING EDGE
(t
PDLH
)
FALLING EDGE
(t
PDHL
)
TEMPERATURE (°C)
–50
PROPAGATION DELAY (ns)
7.5
25
17201 G08
6.0
5.0
–25 0 50
4.5
4.0
8.0
7.0
6.5
5.5
75 100 125
V
CC
= 3V
V
CC
= 3V
V
CC
= 5V
V
CC
= 5V
t
PDLH
V
CM
= 1V
V
STEP
= 100mV
C
LOAD
= 10pF
OVERDRIVE = 5mV
OVERDRIVE = 20mV
SUPPLY VOLTAGE (V)
2.5
4.5
DELAY (ns)
5.0
4.0
4.0 5.0
17201 G09
3.0 3.5
4.5 5.5 6.0
RISING EDGE
(t
PDLH
)
FALLING EDGE
(t
PDHL
)
25°C
V
STEP
= 100mV
OVERDRIVE = 20mV
C
LOAD
= 10pF
OUTPUT SINK CURRENT (mA)
0
OUTPUT VOLTAGE (V)
0.3
0.4
16
17201 G10
0.2
0.1
4
8
12
20
0.5
125°C
25°C
125°C
V
CC
= 2.7V
V
CC
= 5V
V
CM
= 1V
V
IN
= –15mV
–55°C
OUTPUT SOURCE CURRENT (mA)
0
OUTPUT VOLTAGE RELATIVE TO V
CC
(V)
–0.4
–0.2
0.0
16
17201 G11
–0.6
–0.8
–1.0
4
8
12
20
125°C
–55°C
25°C
25°C
V
CC
= 2.7V
V
CC
= 5V
V
CM
= 1V
V
IN
= 15mV
FREQUENCY (MHz)
0
7
8
10
30
NO LOAD
17201 G12
6
5
10 20 40
4
3
9
SUPPLY CURRENT PER COMPARATOR (mA)
25°C
V
CC
= 5V
C
LOAD
= 20pF
Propagation Delay
vs Load Capacitance
Propagation Delay
vs Temperature
Propagation Delay
vs Supply Voltage
Output Low Voltage
vs Load Current
Output High Voltage
vs Load Current Supply Current vs Frequency
Input Current
vs Differential Input Voltage
Quiescent Supply Current
vs Temperature
Quiescent Supply Current
vs Supply Voltage