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LM4041x12I Electrical Characteristics
LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLCS146E – FEBRUARY 2005 – REVISED FEBRUARY 2006
full-range T
A
= –40 ° C to 85 ° C (unless otherwise noted)
LM4041A12I LM4041B12I
PARAMETER TEST CONDITIONS T
A
UNIT
MIN TYP MAX MIN TYP MAX
Reverse breakdown
V
Z
I
Z
= 100 µ A 25 ° C 1.225 1.225 V
voltage
25 ° C –1.2 1.2 –2.4 2.4
Reverse breakdown
I
Z
= 100 µ A mV
voltage tolerance
Full range –9.2 9.2 –10.4 10.4
25 ° C 45 75 45 75
Minimum cathode
I
Z,min
µ A
current
Full range 80 80
I
Z
= 10 mA 25 ° C ± 20 ± 20
Average temperature
25 ° C ± 15 ± 15
α
VZ
coefficient of reverse I
Z
= 1 mA ppm/ ° C
Full range ± 100 ± 100
breakdown voltage
I
Z
= 100 µ A 25 ° C ± 15 ± 15
25 ° C 0.7 1.5 0.7 1.5
I
Z,min
< I
Z
< 1 mA
Reverse breakdown
Full range 2 2
∆ V
Z
/ ∆ I
Z
voltage change with mV
25 ° C 4 6 4 6
cathode current change
1 mA < I
Z
< 12 mA
Full range 8 8
Reverse dynamic I
Z
= 1 mA, f = 120 Hz,
Z
Z
25 ° C 0.5 1.5 0.5 1.5 Ω
impedance I
AC
= 0.1 I
Z
I
Z
= 100 µ A,
e
N
Wideband noise 25 ° C 20 20 µ V
RMS
10 Hz ≤ f ≤ 10 kHz
Long-term stability of t = 1000 h,
reverse breakdown T
A
= 25 ° C ± 0.1 ° C, 25 ° C 120 120 ppm
voltage I
Z
= 100 µ A
5
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