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