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參數(shù)資料
| 型號： | LM185-1.2 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Micropower Voltage Reference Diode |
| 中文描述： | 微功耗電壓基準二極管 |
| 文件頁數(shù)： | 4/14頁 |
| 文件大小： | 747K |
| 代理商： | LM185-1.2 |
Electrical Characteristics
(Note 4) (Continued)
Parameter
Conditions
LM185, LM285
LM185BX,
LM185BY
LM185B,
LM285BX,
LM285BY
Tested Design Tested Design
Limit
Limit
(Note
5)
6)
30
LM385
Typ
Typ
LM385BX,
LM285
LM385BY
LM385
Units
(Limit)
Tested Design Tested Design
Limit
Limit
(Note
5)
6)
30
Limit
(Note
5)
Limit
(Note
6)
Limit
(Note
5)
Limit
(Note
6)
(Note
(Note
Average
Temperature
Coefficient
(Note 7)
I
R
= 100μA
X Suffix
ppm/c
Y Suffix
50
50
(max)
All Others
150
150
150
150
Long Term
Stability
I
R
= 100μA, T = 1000
Hr,
T
A
= 25C
±
0.1C
20
20
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
J
max is:
LM185
LM285
LM385
150C
125C
100C
Thermal Resistance
θ
JA
(Junction to Ambient)
TO-92
TO-46
440C/W
SO-8
165C/W
180C/W (0.4" leads)
170C/W (0.125" leads)
N/A
θ
JC
(Junction to Case)
80C/W
N/A
Note 4:
Parameters identified with
boldface type
apply at temperature extremes. All other numbers apply at T
A
= T
J
= 25C. 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, 125C.
L
www.national.com
4
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