LF398D データシートの表示（PDF） - Philips Electronics
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LF398D Datasheet PDF : 5 Pages
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Philips Semiconductors Linear Products
Sample-and-hold amplifiers
Product specification
LF198/LF298/LF398
FUNCTIONAL DIAGRAM
OFFSET
3
INPUT
8
LOGIC
LOGIC 7
REFERENCE
30k
–
+
300
6
HOLD
CAPACITOR
TYPICAL APPLICATIONS
5
OUTPUT
3
ANALOG INPUT
SAMPLE 5V
HOLD 0V
LOGIC
INPUT
V+
V–
1
4
5
S/H
6
OUTPUT
7
Ch
8
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNIT
VS
Supply voltage
Maximum power dissipation
TA=25°C (still-air)3
F package
±18
V
780
mW
N package
1160
mW
D package
1040
mW
TA
TSTG
VIN
Operating ambient temperature range
LF198
LF298
LF398
Storage temperature range
Input voltage
-55 to +125
°C
-25 to +85
°C
0 to +70
°C
-65 to +150
°C
Equal to
supply voltage
Logic-to-logic reference differential
voltage2
+7, -30
V
Output short-circuit duration
Indefinite
Hold capacitor short-circuit duration
10
sec
TSOLD
Lead soldering temperature (10sec max)
300
°C
NOTES:
1. The maximum junction temperature of the LF398 is 150°C. When operating at elevated ambient temperature, the packages must be derated
based on the thermal resistance specified.
2. Although the differential voltage may not exceed the limits given, the common-mode voltage on the logic pins must always be at least 2V
below the positive supply and 3V above the negative supply.
3. Derate above 25°C, at the following rates:
F package at 6.2mW/°C
N package at 9.3mW/°C
D package at 8.3mW/°C
August 31, 1994
880
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