Datasheet

LM4040x10I Electrical Characteristics
DV
Z
DI
Z
LM4040
SLOS456K – JANUARY 2005 – REVISED MARCH 2008 .................................................................................................................................................. www.ti.com
at industrial temperature range, full-range T
A
= – 40 ° C to 85 ° C (unless otherwise noted)
LM4040A10I LM4040B10I
PARAMETER TEST CONDITIONS T
A
UNIT
MIN TYP MAX MIN TYP MAX
V
Z
Reverse breakdown voltage I
Z
= 150 μ A 25 ° C 10 10 V
25 ° C – 10 10 – 20 20
Reverse breakdown voltage
Δ V
Z
I
Z
= 150 μ A mV
tolerance
Full range – 75 75 – 85 85
25 ° C 75 120 75 120
I
Z,min
Minimum cathode current μ A
Full range 125 125
I
Z
= 10 mA 25 ° C ± 40 ± 40
25 ° C ± 20 ± 20
Average temperature coefficient
α
VZ
I
Z
= 1 mA ppm/ ° C
of reverse breakdown voltage
Full range ± 100 ± 100
I
Z
= 150 μ A 25 ° C ± 20 ± 20
25 ° C 0.8 1.5 0.8 1.5
I
Z,min
< I
Z
< 1 mA
Reverse breakdown voltage
Full range 3.5 3.5
change with cathode current mV
25 ° C 8 14 8 14
change
1 mA < I
Z
< 15 mA
Full range 24 24
I
Z
= 1 mA, f = 120 Hz,
Z
Z
Reverse dynamic impedance 25 ° C 0.7 1.7 0.7 1.7 Ω
I
AC
= 0.1 I
Z
I
Z
= 150 μ A,
e
N
Wideband noise 25 ° C 180 180 μ V
RMS
10 Hz ≤ f ≤ 10 kHz
t = 1000 h,
Long-term stability of reverse
T
A
= 25 ° C ± 0.1 ° C, 120 120 ppm
breakdown voltage
I
Z
= 150 μ A
V
HYST
Thermal hysteresis
(1)
Δ T
A
= – 40 ° C to 125 ° C 0.08 0.08 %
(1) Thermal hysteresis is defined as V
Z,25 ° C
(after cycling to – 40 ° C) – V
Z,25 ° C
(after cycling to 125 ° C).
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