Datasheet

4
LT1394
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
Propagation Delay vs
Input Overdrive
TEMPERATURE (°C)
–50
TIME (ns)
12
10
8
6
4
2
0
25 75
1394 G05
–25 0
50 100 125
V
S
= ±5V
V
STEP
= 100mV
V
OD
= 5mV
t
PDLH
t
PDHL
SOURCE RESISTANCE (kΩ)
0 0.5
TIME (ns)
1.0 2.01.5
2.5
3.0
1394 G04
80
70
60
50
40
30
20
10
0
V
S
= ±5V
V
OD
= 20mV
T
A
= 25°C
STEP SIZE = 800mV
400mV
100mV
200mV
Propagation Delay vs
Source Resistance
Propagation Delay vs
Temperature
Input Offset Voltage vs
Temperature
2
1
0
–1
–2
–3
–4
–5
LT1394 G06
VOLTAGE (mV)
TEMPERATURE (°C)
–50 25 75
–25 0
50 100 125
V
S
= ±5V
4
3
2
1
0
LT1394 G07
INPUT BIAS CURRENT (µA)
TEMPERATURE (°C)
–50 25 75
–25 0
50 100 125
V
S
= ±5V
V
CM
= –5V
V
CM
= 0V
V
CM
= 3.5V
Input Bias Current vs
Temperature
TEMPERATURE (°C)
–50
VOLTAGE (V)
6
5
4
3
2
1
0
25 75
1394 G08
–25 0
50 100 125
V
S
= ±5V
Positive Common Mode Limit vs
Temperature
OVERDRIVE (mV)
0
TIME (ns)
12
10
8
6
4
2
0
10 20 30 40
1394 TA02
50
t
PDLH
t
PDHL
T
A
= 25°C
V
STEP
= 100mV
V
S
= ±5V
Gain Characteristics
POSITIVE SUPPLY VOLTAGE (V)
4.4
TIME (ns)
12
10
8
6
4
2
0
4.6 4.8 5.0 5.2 5.4
1394 G03
5.6
t
PDHL
t
PDLH
V
–
= –5V
T
A
= 25°C
V
STEP
= 100mV
OVERDRIVE = 5mV
Propagation Delay vs
Positive Supply Voltage
Propagation Delay vs
Load Capacitance
OUTPUT LOAD CAPACITANCE (pF)
0
TIME (ns)
12
10
8
6
4
2
0
10 20 30 40
1394 G02
50
t
PDLH
t
PDHL
I
OUT
= 0
V
S
= ±5V
T
A
= 25°C
V
STEP
= 100mV
OVERDRIVE = 5mV
DIFFERENTIAL INPUT VOLTAGE (mV)
–3
OUTPUT VOLTAGE (V)
–2
–1
01
1394 G01
2
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
3
V
S
= ±5V
I
OUT
= 0
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C