LM385-ADJ Datasheet, PDF (4/14 Pages) National Semiconductor (TI) – Adjustable Micropower Voltage References

Electrical Characteristics (Note 4) (Continued)
Parameter
Average
Temperature
Coefficient
(Note 7)
Long Term
Stability
Conditions
I_R = 100µA X Suffix
Y Suffix
LM185, LM285
LM385
LM185BX,
LM185BY
LM385BX,
LM185B,
LM285BX,
LM285
LM385BY
LM385
Units
Typ LM285BY
Typ
(Limit)
Tested Design Tested Design
Tested Design Tested Design
Limit Limit Limit Limit
Limit Limit Limit Limit
(Note (Note (Note (Note
(Note (Note (Note (Note
5)
6)
5)
6)
5)
6)
5)
6)
30
30
ppm/˚c
50
50
(max)
All Others
150
I_R = 100µA, T = 1000
20
Hr,
T_A = 25˚C ± 0.1˚C
150
150
20
150
ppm
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, T_Jmax is:
LM185
LM285
LM385
150˚C
125˚C
100˚C
Thermal Resistance
θ_JA (Junction to Ambient)
θ_JC (Junction to Case)
TO-92
TO-46 SO-8
180˚C/W (0.4" leads) 440˚C/W 165˚C/W
170˚C/W (0.125" leads)
N/A
80˚C/W N/A
Note 4: Parameters identified with boldface type apply at temperature extremes. All other numbers apply at T_A = T_J = 25˚C. Unless otherwise specified, all
parameters apply for V_REF < V_OUT < 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 T_MIN to T_MAX, divided
by T_MAX − T_MIN. The measured temperatures are −55, −40, 0, 25, 70, 85, 125˚C.
www.national.com
4