Datasheet

DV
Z
DI
Z
LM4040-EP
www.ti.com SLOS746A – SEPTEMBER 2011– REVISED SEPTEMBER 2011
Recommended Operating Conditions
MIN MAX UNIT
I
Z
Cathode current See
(1)
15 mA
T
A
Free-air temperature –55 125 °C
(1) See parametric tables
Electrical Characteristics
at extended temperature range, full-range T
A
= –55°C to 125°C (unless otherwise noted)
PARAMETER TEST CONDITIONS T
A
MIN TYP MAX UNIT
V
Z
Reverse breakdown voltage I
Z
= 100 μA 25°C 2.5 V
25°C –16 16
Reverse breakdown voltage
ΔV
Z
I
Z
= 100 μA mV
tolerance
Full range –42 42
25°C 45 75
I
Z,min
Minimum cathode current μA
Full range 82
I
Z
= 10 mA 25°C ±20
25°C ±15
Average temperature coefficient of
α
VZ
I
Z
= 1 mA ppm/°C
reverse breakdown voltage
Full range ±100
I
Z
= 100 μA 25°C ±15
25°C 0.3 0.8
I
Z,min
< I
Z
< 1 mA
Full range 1.1
Reverse breakdown voltage change
mV
with cathode current change
25°C 2.5 6
1 mA < I
Z
< 15 mA
Full range 9
I
Z
= 1 mA, f = 120 Hz,
Z
Z
Reverse dynamic impedance 25°C 0.3 Ω
I
AC
= 0.1 I
Z
I
Z
= 100 μA,
e
N
Wideband noise 25°C 35 μV
RMS
10 Hz ≤ f ≤ 10 kHz
t = 1000 h,
Long-term stability of reverse
T
A
= 25°C ± 0.1°C, 120 ppm
breakdown voltage
I
Z
= 100 μA
V
HYST
Thermal hysteresis
(1)
ΔT
A
= –55°C to 125°C 0.08 %
(1) Thermal hysteresis is defined as V
Z,25°C
(after cycling to –55°C) – V
Z,25°C
(after cycling to 125°C).
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