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參數資料
| 型號： | MNLM193A-X |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | LOW POWER LOW OFFSET VOLTAGE DUAL COMPARATORS |
| 中文描述： | 低功耗低失調電壓雙比較 |
| 文件頁數： | 3/12頁 |
| 文件大小： | 172K |
| 代理商： | MNLM193A-X |
MICROCIRCUIT DATA SHEET
MNLM193A-X REV 1B3
(Absolute Maximum Ratings)
(Note 1)
Supply Voltage, V+
36Vdc or +18Vdc
Differential Input Voltage
(Note 6)
36Vdc
Input Voltage
-0.3Vdc to +36Vdc
Input Current (Vin < -0.3 Vdc)
(Note 5)
50mA
Maximum Junction Temperature
150 C
Power Dissipation
(Note 2, 3)
METAL CAN
CERDIP
Output Short-Circuit to Gnd
(Note 4)
660mW
780mW
Continuous
Operating Temperature Range
-55 C to +125 C
Thermal Resistance
ThetaJA
METAL CAN (Still Air)
(500LF/Min Air flow)
CERDIP (Still Air)
(500LF/Min Air flow)
174 C/W
99 C/W
146 C/W
85 C/W
ThetaJC
METAL CAN
CERDIP
Lead Temperature
(Soldering, 10 seconds)
ESD Tolerance
(Note 7)
44 C/W
33 C/W
+260 C
500V
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
Operating Ratings indicate conditions for which the device is functional, but do not
guarantee specific performance limits. For guaranteed specifications and test
conditions, see the Electrical Characteristics. The guaranteed specifications apply
only for the test conditions listed. Some performance characteristics may degrade
when the device is not operated under the listed test conditions.
The maximum power dissipation must be derated at elevated temperatures and is
dictated by Tjmax (maximum junction temperature ), ThetaJA (package junction to
ambient thermal resistance), and TA (ambient temperature). The maximum allowable
power dissipation at any temperature is Pdmax = (Tjmax - TA)/ThetaJA or the number
given in the Absolute Maximum Ratings, whichever is lower.
The LM193A must be derated based on a 150 C maximum junction temperature. The low
bias dissipation and the ON-OFF characteristic of the outputs keeps the chip
dissipation very small (PD<100mV), provided the output transistors are allowed to
saturate.
Short circuits from the output to V+ can cause excessive heating and eventual
destruction. When considering short circuits to ground, the maximum output current is
approximately 20mA independent of the magnitude of V+.
Note 2:
Note 3:
Note 4:
3
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