LM285 LM385, B
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted)
LM285–2.5
LM385–2.5/LM385B–2.5
Characteristic
p p Reverse Breakdown Voltage (IRmin IR 20 mA)
LM285–2.5/LM385B–2.5
TA = Tlow to Thigh (Note 1)
LM385–2.5
TA = Tlow to Thigh (Note 1)
Symbol
V(BR)R
Minimum Operating Current
TA = 25°C
TA = Tlow to Thigh (Note 1)
IRmin
p p Reverse Breakdown Voltage Change with Current
IRmin IR 1.0 mA, TA = +25°C
p p TA = Tlow to Thigh (Note 1)
1.0 mA IR 20 mA, TA = +25°C
TA = Tlow to Thigh (Note 1)
∆V(BR)R
Reverse Dynamic Impedance
Z
IR = 100 µA, TA = +25°C
p p Average Temperature Coefficient
20 µA IR 20 mA, TA = Tlow to Thigh (Note 1)
∆V(BR)/∆T
p p Wideband Noise (RMS)
IR = 100 µA, 10 Hz f 10 kHz
n
Long Term Stability
S
IR = 100 µA, TA = +25°C ± 0.1°C
NOTES: 1. Tlow = – 40°C for LM285–1.2, LM285–2.5
= 0°C for LM385–1.2, LM385B–1.2, LM385–2.5, LM385B–2.5
Min Typ Max Min Typ Max
Unit
V
2.462 2.5 2.538 2.462 2.5 2.538
2.415 –
2.585 2.436 –
2.564
–
–
– 2.425 2.5 2.575
–
–
– 2.400 –
2.600
µA
–
13
20
–
13
20
–
–
30
–
–
30
mV
–
–
1.0
–
–
2.0
–
–
1.5
–
–
2.5
–
–
10
–
–
20
–
–
20
–
–
25
0.6
–
–
0.6
–
W
–
80
–
–
80
–
ppm/°C
–
120
–
–
120
–
µV
–
20
–
–
20
–
ppm/
kHR
Thigh = +85°C for LM285–1.2, LM285–2.5
Thigh = +70°C for LM385–1.2, LM385B–1.2, LM385–2.5, LM385B–2.5
MOTOROLA ANALOG IC DEVICE DATA
3