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