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LP2901-Q1 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. LP2901-Q1
Description  LOW-POWER QUAD DIFFERENTIAL COMPARATOR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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5
µA
IN+
IN−
GND
OUT
6
µA
0.2
µA
VCC
0.2
µA
Absolute Maximum Ratings
(1)
Dissipation Ratings
LP2901-Q1
LOW-POWER QUAD DIFFERENTIAL COMPARATOR
SLCS148 – SEPTEMBER 2005
SCHEMATIC DIAGRAM (EACH COMPARATOR)
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
VCC
Supply voltage(2)
36
V
VID
Differential input voltage range(3)
±36
V
VI
Input voltage range (either input)
–0.3
36
V
II
Input current(4)
VI ≤ –0.3 V
–50
mA
Duration of output short-circuit to ground(5)
Unlimited
See Dissipation Rating
Continuous total power dissipation(6)
Table
θ
JA
Package thermal impedance(7)(8)
133.5
°C/W
TA
Operating free-air temperature range
–40
85
°C
TJ
Operating virtual junction temperature
150
°C
Tlead
Lead temperature range
1,6 mm (1/16 in) from case for 60 s
300
°C
Tstg
Storage temperature range
–65
150
°C
(1)
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 under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
All voltage values, except differential voltages, are with respect to the network ground.
(3)
Differential voltages are at IN+ with respect to IN–.
(4)
This input current exists only 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 reestablished when the input voltage returns to a value more positive than –0.3 V
at TA = 25°C.
(5)
Short circuits between outputs to VCC can cause excessive heating and eventual destruction.
(6)
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).
(7)
Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient
temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability.
(8)
The package thermal impedance is calculated in accordance with JESD 51 (low-K board).
DERATING
TA ≤ 25°C
TA = 70°C
TA = 85°C
PACKAGE
FACTOR ABOVE
POWER RATING
POWER RATING
POWER RATING
TA = 25°C
D
936 mW
7.49 mW/
°C
599 mW
486 mW
2




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