LF298H National Semiconductor, LF298H Datasheet - Page 2

• Manufacturer Part Number: LF298H
• Description: Sample and Hold 1-CH 20us 8-Pin TO-99 Box
• Manufacturer: National Semiconductor

Specifications of LF298H

• Package: 8TO-99
• Acquisition Time: 20(Typ) us
• Number Of S/h: 1
• Operating Supply Voltage: ±15 V

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Input Offset Voltage, (Note 5)
Input Bias Current, (Note 5)
Input Impedance
Gain Error
Feedthrough Attenuation Ratio
at 1 kHz
Output Impedance
“HOLD” Step, (Note 6)
Supply Current, (Note 5)
Logic and Logic Reference Input
Current
Leakage Current into Hold
Capacitor (Note 5)
Acquisition Time to 0.1%
Hold Capacitor Charging Current
Supply Voltage Rejection Ratio
Differential Logic Threshold
Input Offset Voltage, (Note 5)
Input Bias Current, (Note 5)
The following specifcations apply for −V
R
Electrical Characteristics
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature Range
Input Voltage
Logic To Logic Reference
Output Short Circuit Duration
Power Dissipation (Package
Operating Ambient Temperature Range
L
Limitation) (Note 2)
LF198/LF198A
LF298
LF398/LF398A
Differential Voltage (Note 3)
= 10 k , LOGIC REFERENCE = 0V, LOGIC HIGH = 2.5V, LOGIC LOW = 0V unless otherwise specified.
Parameter
T
Full Temperature Range
T
Full Temperature Range
T
T
Full Temperature Range
T
T
Full Temperature Range
T
T
T
T
Hold Mode
C
V
V
T
T
Full Temperature Range
T
Full Temperature Range
Equal to Supply Voltage
j
j
j
j
j
j
j
j
j
j
V
j
j
j
h
IN
OUT
= 25˚C
= 25˚C
= 25˚C
= 25˚C, R
= 25˚C, C
= 25˚C, “HOLD” mode
= 25˚C, C
= 25˚C
= 25˚C, (Note 7)
= 25˚C
= 25˚C
= 25˚C
OUT
25˚C
−V
= 0.01 µF
S
+ 3.5V
OUT
= 0
= 10V, C
−55˚C to +125˚C
−65˚C to +150˚C
−25˚C to +85˚C
= 2V
(Note 1)
0˚C to +70˚C
Conditions
L
h
h
= 10k
= 0.01 µF
= 0.01 µF, V
+7V, −30V
V
Indefinite
IN
h
500 mW
= 1000 pF
±
+V
18V
S
− 3.5V, +V
OUT
2
Hold Capacitor Short
Lead Temperature (Note 4)
= 0
Thermal Resistance (
JC
Circuit Duration
H package (Soldering, 10 sec.)
N package (Soldering, 10 sec.)
M package:
H package 215˚C/W (Board mount in still air)
N package
M package
Vapor Phase (60 sec.)
Infrared (15 sec.)
85˚C/W (Board mount in
400LF/min air flow)
(H package, typical) 20˚C/W
S
= +15V, −V
Min
0.8
86
80
LF198/LF298
0.002
10
Typ
110
0.5
0.5
4.5
1.4
96
30
20
115˚C/W
1
5
2
4
5
1
5
106˚C/W
10
S
= −15V, T
JA
0.005
Max
0.02
100
2.0
5.5
2.4
25
75
10
25
75
) (typicals)
3
5
2
4
1
2
A
Min
= T
0.8
80
80
j
= 25˚C, C
0.004
LF398
10
Typ
110
0.5
1.0
4.5
1.4
10
90
30
20
10
2
2
4
5
2
10
h
Max
0.01
0.02
100
200
2.5
6.5
2.4
10
50
10
25
50
= 0.01 µF,
7
4
6
2
3
10 sec
260˚C
260˚C
215˚C
220˚C
Units
mV
mV
mV
mA
mA
mV
mV
nA
nA
dB
µA
pA
dB
nA
nA
µs
µs
%
%
V