LM185-25 National Semiconductor, LM185-25 Datasheet - Page 3

• Manufacturer Part Number: LM185-25
• Description: Micropower Voltage Reference Diode
• Manufacturer: National Semiconductor

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DataSheet
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Reverse Breakdown
Voltage
Minimum Operating
Current
Reverse Breakdown
Voltage Change with
Current
Reverse Dynamic
Impedance
Wideband Noise (rms)
Long Term Stability
Average Temperature
Coefficient (Note 7)
4
(Note 4)
U
Reverse Current
Forward Current
Operating Temperature
Range (Note 3)
.com
LM185-2.5
LM285-2.5
Parameter
I
I
1 mA ≤ I
I
f = 20 Hz
I
10 Hz ≤ f ≤ 10 kHz
I
T = 1000 Hr,
T
I
X Suffix
Y Suffix
All Others
R
MIN
R
R
R
MIN
A
= 100 µA
= 100 µA,
= 100 µA
= 100 µA,
= 25˚C
≤ I
≤ I
−55˚C to + 125˚C
Conditions
−40˚C to + 85˚C
R
R
R
≤ 1mA
≤ 20 mA
≤ 20 mA
±
0.1˚C
(Notes 1,
30 mA
10 mA
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3
2.500
2.500
Typ
120
0.2
12
20
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
Storage Temperature
Soldering Information
LM385-2.5
TO-92 Package (10 sec.)
TO-46 Package (10 sec.)
SO and SOT Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
(Note 5)
Tested
2.480
2.520
Limit
18
10
30
50
1
LM385AX-2.5
LM385AY-2.5
LM385A-2.5
(Note 6)
Design
2.470
2.530
Limit
150
1.5
0.6
1.5
20
20
−55˚C to + 150˚C
0˚C to 70˚C
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260˚C
300˚C
215˚C
220˚C
(Limits)
V(Max)
V(Max)
ppm/˚C
V(Min)
V(Min)
(Max)
(Max)
(Max)
(Max)
Units
ppm
mV
mV
µA
µV
Ω