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LP239 Datasheet(PDF) 2 Page - Texas Instruments

Part No. LP239
Description  LOW-POWER QUAD DIFFERENTIAL COMPARATORS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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LP239 Datasheet(HTML) 2 Page - Texas Instruments

   
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LP239, LP339, LP2901
LOW-POWER QUAD DIFFERENTIAL COMPARATORS
SLCS004A – OCTOBER 1987 – REVISED MAY 1988
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
schematic diagram (each comparator)
5
µA
IN +
IN –
GND
OUT
6
µA
0.2
µA
VCC
0.2
µA
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC (see Note 1)
36 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential input voltage, VID (see Note 2)
±36 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI (either input)
– 0.3 V to 36 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input current, VI ≤ – 0.3 V (see Note 3)
– 50 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duration of output short-circuit to ground (see Note 4)
Unlimited
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total dissipation (see Note 5)
See Dissipation Rating Table
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: LP239
– 25
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LP339
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LP2901
– 40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature range 1,6 mm (1/16 inch) from case for 10 seconds: D or N package
260
°C
. . . . . . . . . . .
Lead temperature range 1,6 mm (1/16 inch) from case for 60 seconds: J package
300
°C
. . . . . . . . . . . . . . . .
† Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated in the recommended operating conditions is not implied.
Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltage values, except differential voltages, are with respect to the network ground.
2. Differential voltages are at IN+ with respect to IN –.
3. This input current only exists when the voltage at any of the inputs is driven negative. The current flows through the collector-base
junction of the input clamping device. In addition to the clamping device action, there is lateral n-p-n parasitic transistor action. This
action is not destructive and normal output states are re-established when the input voltage returns to a value more positive than
– 0.3 V at TA = 25°C.
4. Short circuits between outputs to VCC can cause excessive heating and eventual destruction.
5. If the output transistors are allowed to saturate, the low bias dissipation and the on-off characteristics of the outputs keep the
dissipation very small (usually less than 100 mW).
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
POWER RATING
DERATING FACTOR
ABOVE TA = 25°C
TA = 70°C
POWER RATING
TA = 85°C
POWER RATING
D
J
N
950 mW
1025 mW
1150 mW
7.6 mW/
°C
8.2 mW/
°C
9.2 mW/
°C
608 mW
656 mW
736 mW
494 mW
533 mW
598 mW


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