
LM285 LM385, B
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted)
Rating
Symbol
Value
Unit
Reverse Current
IR
30
mA
Forward Current
IF
10
mA
Operating Ambient Temperature Range
TA
°C
LM285
LM385
– 40 to + 85
0 to +70
Operating Junction Temperature
TJ
+ 150
°C
Storage Temperature Range
Tstg
– 65 to + 150
°C
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted)
LM285–1.2
LM385–1.2/LM385B–1.2
Characteristic
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Reverse Breakdown Voltage (IRmin p IR p 20 mA)
V(BR)R
V
LM285–1.2/LM385B–1.2
1.223
1.235
1.247
1.223
1.235
1.247
TA = Tlow to Thigh (Note 1)
1.200
–
1.270
1.210
–
1.260
LM385–1.2
–
1.205
1.235
1.260
TA = Tlow to Thigh (Note 1)
–
1.192
–
1.273
Minimum Operating Current
IRmin
A
TA = 25°C
–
8.0
10
–
8.0
15
TA = Tlow to Thigh (Note 1)
–
20
–
20
Reverse Breakdown Voltage Change with Current
V(BR)R
mV
IRmin p IR p 1.0 mA, TA = +25°C
–
1.0
–
1.0
TA = Tlow to Thigh (Note 1)
–
1.5
–
1.5
1.0 mA
p IR p 20 mA, TA = +25°C
–
10
–
20
TA = Tlow to Thigh (Note 1)
–
20
–
25
Reverse Dynamic Impedance
Z
0.6
–
0.6
–
W
IR = 100 A, TA = +25°C
Average Temperature Coefficient
V(BR)/T
–
80
–
80
–
ppm/
°C
10
A p IR p 20 mA, TA = Tlow to Thigh (Note 1)
Wideband Noise (RMS)
n
–
60
–
60
–
V
IR = 100 A, 10 Hz p f p 10 kHz
Long Term Stability
S
–
20
–
20
–
ppm/
IR = 100 A, TA = +25°C ± 0.1°C
kHR