Datasheet

LM185-2.5-N, LM285-2.5-N, LM385-2.5-N
www.ti.com SNVS743D –DECEMBER 1999–REVISED MARCH 2013
ELECTRICAL CHARACTERISTICS
LM385A-2.5-N
LM385AX-2.5-N
Units
Parameter Conditions Typ
(Limits)
LM385AY-2.5-N
Tested Limit
(2)
Design Limit
(3)
Reverse Breakdown I
R
= 100 μA 2.500 2.480 V(Min)
Voltage 2.520 V(Max)
2.500 2.470 V(Min)
2.530 V(Max)
Minimum Operating 12 18 20 μA
Current (Max)
Reverse Breakdown I
MIN
≤ I
R
≤ 1mA 1 1.5 mV
Voltage Change with (Max)
Current 1 mA ≤ I
R
≤ 20 mA 10 20 mV
(Max)
Reverse Dynamic I
R
= 100 μA, 0.2 0.6 Ω
Impedance f = 20 Hz 1.5
Wideband Noise (rms) I
R
= 100 μA 120 μV
10 Hz ≤ f ≤ 10 kHz
Long Term Stability I
R
= 100 μA, T = 1000 Hr, 20 ppm
T
A
= 25°C ±0.1°C
Average Temperature Coefficient
(4)
I
MIN
≤ I
R
≤ 20 mA
X Suffix 30 ppm/°C
Y Suffix 50 (Max)
All Others 150
(1) Parameters identified with boldface type apply at temperature extremes. All other numbers apply at T
A
= T
J
= 25°C.
(2) Specified and 100% production tested.
(3) Specified, but not 100% production tested. These limits are not used to calculate average outgoing quality levels.
(4) The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between
the operating T
MAX
and T
MIN
, divided by T
MAX
–T
MIN
. The measured temperatures are −55°C, −40°C, 0°C, 25°C, 70°C, 85°C, 125°C.
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