Datasheet

4
LT1671
Propagation Delay vs
Load Capacitance
DIFFERENTIAL INPUT VOLTAGE (mV)
–3 3
OUTPUT VOLTAGE (V)
–1–2
0
1
1671 G01
2
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
S
= ±5V
R
L
= 1M
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
Gain Characteristics
OUTPUT LOAD CAPACITANCE (pF)
0
TIME (ns)
100
90
80
70
60
50
10 20 30 40
1671 G02
50
V
S
= ±5V
V
STEP
= 100mV
V
OD
= 5mV
T
A
= 25°C
R
L
= 1M
FALLING EDGE (t
PDHL
)
RISING EDGE (t
PDLH
)
Propagation Delay vs
Source Resistance
Propagation Delay vs
Input Overdrive
OVERDRIVE (mV)
0
TIME (ns)
140
120
100
80
60
40
20
10 20 30 40
1671 TA02
50
V
S
= ±5V
V
STEP
= 100mV
T
A
= 25°C
R
L
= 1M
FALLING EDGE (t
PDHL
)
RISING EDGE (t
PDLH
)
SOURCE RESISTANCE (kΩ)
0
TIME (ns)
51015
1671 G05
200
180
160
140
120
100
80
60
40
V
S
= ±5V
R
L
= 1M
V
OD
= 20mV
T
A
= 25°C
STEP SIZE = 800mV
STEP SIZE = 100mV
400mV
200mV
TEMPERATURE (°C)
–50
TIME (ns)
100
90
80
70
60
50
40
30
20
10
0
0
50
75
1671 G06
–25
25
100
125
t
PDHL
t
PDLH
V
S
= ±5V
V
STEP
= 100mV
V
OD
= 5mV
R
L
= 1M
POSITIVE SUPPLY VOLTAGE (V)
4.4
TIME (ns)
90
80
70
60
50
4.6 4.8 5.0 5.2 5.4
1671 G03
5.6
FALLING EDGE (t
PDHL
)
RISING EDGE (t
PDLH
)
V
–
= –5V
V
STEP
= 100mV
V
OD
= 5mV
T
A
= 25°C
R
L
= 1M
Propagation Delay vs
Positive Supply Voltage
Propagation Delay vs
Temperature
Input Bias Current vs
Temperature
Input Offset Voltage vs
Temperature
Positive Common Mode Limit vs
Temperature
TEMPERATURE (°C)
–50
VOLTAGE (mV)
4
3
2
1
0
–1
–2
–3
0
50
75
1671 G07
–25
25
100
125
V
S
= ±5V
R
L
= 1M
TEMPERATURE (°C)
–50
INPUT BIAS CURRENT (nA)
500
400
300
200
100
0
0
50
75
1671 G08
–25
25
100
125
V
CM
= –5V
V
CM
= 3.5V
V
CM
= 0V
V
S
= ±5V
R
L
= 1M
TEMPERATURE (°C)
–50
VOLTAGE (V)
6
5
4
3
2
1
0
0
50
75
1671 G09
–25
25
100
125
V
S
= ±5V
R
L
= 1M
TYPICAL PERFORMANCE CHARACTERISTICS
U
W