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LM185 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM185
Description  Adjustable Micropower Voltage References
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM185 Datasheet(HTML) 4 Page - National Semiconductor (TI)

 
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Electrical Characteristics (Note 4) (Continued)
Parameter
Conditions
LM185, LM285
LM385
Typ
LM185BX,
LM185BY
Typ
LM385BX,
LM185B,
LM285BX,
LM285
LM385BY
LM385
Units
LM285BY
(Limit)
Tested Design Tested Design
Tested Design Tested Design
Limit
Limit
Limit
Limit
Limit
Limit
Limit
Limit
(Note
5)
(Note
6)
(Note
5)
(Note
6)
(Note
5)
(Note
6)
(Note
5)
(Note
6)
Average
Temperature
I
R = 100µA
X Suffix
30
30
ppm/˚c
Coefficient
(Note 7)
Y Suffix
50
50
(max)
All Others
150
150
150
150
Long Term
Stability
I
R = 100µA, T = 1000
Hr,
20
20
ppm
T
A = 25˚C ± 0.1˚C
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be 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.
Note 2: Refer to RETS185H for military specifications.
Note 3: For elevated temperature operation, TJmax is:
LM185
150˚C
LM285
125˚C
LM385
100˚C
Thermal Resistance
TO-92
TO-46
SO-8
θ
JA (Junction to Ambient)
180˚C/W (0.4" leads)
440˚C/W
165˚C/W
170˚C/W (0.125" leads)
θ
JC (Junction to Case)
N/A
80˚C/W
N/A
Note 4: Parameters identified with boldface type apply at temperature extremes. All other numbers apply at TA =TJ = 25˚C. Unless otherwise specified, all
parameters apply for VREF < VOUT < 5.3V.
Note 5: Guaranteed and 100% production tested.
Note 6: Guaranteed, but not 100% production tested. These limits are not to be used to calculate average outgoing quality levels.
Note 7: The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures from TMIN to TMAX, divided
by TMAX −TMIN. The measured temperatures are −55, −40, 0, 25, 70, 85, 125˚C.
www.national.com
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