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参数资料
| 型号： | LM185WG-2.5/883/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, CDSO10 |
| 封装： | ROHS COMPLIANT, CERAMIC, SOIC-10 |
| 文件页数： | 14/19页 |
| 文件大小： | 488K |
| 代理商： | LM185WG-2.5/883/NOPB |
Electrical Characteristics
LM185-2.5
LM185BX-2.5
LM385B-2.5
LM185BY-2.5
LM385BX-2.5
LM385-2.5
Units
LM285-2.5
LM385BY-2.5
(Limit)
Parameter
Conditions
Typ
LM285BX-2.5
LM285BY-2.5
Tested
Design
Tested
Design
Tested
Design
Limit
(Notes 5, 8)
(Note 6)
(Note 5)
(Note 6)
Reverse
Breakdown
T
A = 25°C,
2.5
2.462
2.425
V(Min)
Voltage
20 μA
≤ I
R ≤ 20 mA
2.538
2.575
V(Max)
Minimum Operating
Current
13
20
30
20
30
20
30
μA
(Max)
LM385M3-2.5
15
20
Reverse
Breakdown Voltage
Change with
Current
20 μA
≤ I
R ≤ 1 mA
1
1.5
2.0
2.5
2.0
2.5
mV
(Max)
1 mA
≤ I
R ≤ 20 mA
10
20
20
25
20
25
mV
(Max)
Reverse Dynamic
I
R = 100 μA,
1
Ω
Impedance
f = 20 Hz
Wideband Noise
(rms)
I
R = 100 μA,
120
μV
10 Hz
≤ f ≤ 10 kHz
Long Term Stability I
R = 100 μA,
T = 1000 Hr,
20
ppm
T
A = 25°C ±0.1°C
Average
Temperature
I
R = 100 μA
Coefficient (Note 7) X Suffix
30
ppm/°C
Y Suffix
50
ppm/°C
All Others
150
ppm/°C
(Max)
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-2.5 for military specifications.
Note 3:
For elevated temperature operation, T
J MAX is:
LM185
150°C
LM285
125°C
LM385
100°C
Thermal Resistance
TO-92
TO-46
SO-8
SOT-23
θ
ja (Junction to Ambient)
180°C/W (0.4″ Leads)
440°C/W
165°C/W
283°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 T
A = TJ = 25°C.
Note 5:
Guaranteed and 100% production tested.
Note 6:
Guaranteed, but not 100% production tested. These limits are not 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 between the operating
T
MAX and TMIN, divided by TMAX–TMIN. The measured temperatures are 55°C, 40°C, 0°C, 25°C, 70°C, 85°C, 125°C.
Note 8:
A military RETS electrical specification available on request.
Note 9:
The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin.
www.national.com
4
LM185-2.5/LM285-2.5/LM385-2.5
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