Datasheet

LM285, LM385B
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3
ELECTRICAL CHARACTERISTICS (T
A
= 25°C, unless otherwise noted)
Characteristic
Symbol
LM285-1.2 LM385-1.2/LM385B-1.2
Unit
Min Typ Max Min Typ Max
Reverse Breakdown Voltage Change with Current
I
Rmin
v I
R
v 1.0 mA, T
A
= +25°C
T
A
= T
low
to T
high
(Note 2)
1.0 mA v I
R
v 20 mA, T
A
= +25°C
T
A
= T
low
to T
high
(Note 2)
DV
(BR)R
-
-
-
-
-
-
-
-
1.0
1.5
10
20
-
-
-
-
-
-
-
-
2.0
2.5
20
25
mV
Reverse Dynamic Impedance
I
R
= 100 mA, T
A
= +25°C
Z
- 0.6 - - 0.6 -
W
Average Temperature Coefficient
20 mA v I
R
v 20 mA, T
A
= T
low
to T
high
(Note 2)
DV
(BR)
/DT
- 80 - - 80 -
ppm/°C
Wideband Noise (RMS)
I
R
= 100 mA, 10 Hz v f v 10 kHz
n
- 120 - - 120 -
mV
Long Term Stability
I
R
= 100 mA, T
A
= +25°C ± 0.1°C
S
- 20 - - 20 -
ppm/kHR
2. T
low
= -40°C for LM285-1.2, LM285-2.5
T
high
=+85°C for LM285-1.2, LM285-2.5
T
low
= 0°C for LM385-1.2, LM385B-1.2, LM385-2.5, LM385B-2.5
T
high
=+70°C for LM385-1.2, LM385B-1.2, LM385-2.5, LM385B-2.5