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LM4041xI (Adjustable Version) 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)
LM4041DI
PARAMETER TEST CONDITIONS T
A
UNIT
MIN TYP MAX
V
REF
Reference voltage I
Z
= 100 µ A, V
Z
= 5 V 25 ° C 1.233 V
25 ° C –12 12
Reference voltage tolerance
(1)
I
Z
= 100 µ A, V
Z
= 5 V mV
Full range –24 24
25 ° C 45 75
I
Z,min
Minimum cathode current µ A
Full range 80
25 ° C 0.7 2
I
Z,min
< I
Z
< 1 mA
Full range 2.5
Reference voltage change
∆ V
REF
/ ∆ I
Z
mV
with cathode current change
25 ° C 2 6
1 mA < I
Z
< 12 mA
Full range 8
25 ° C –1.55 –2
Reference voltage change
∆ V
REF
/ ∆ V
KA
I
Z
= 1 mA mV/V
with output voltage change
Full range –3
25 ° C 60 150
I
FB
Feedback current nA
Full range 200
I
Z
= 10 mA, V
Z
= 5 V 25 ° C ± 20
25 ° C ± 15
Average temperature coefficient
α V
REF
I
Z
= 1 mA, V
Z
= 5 V ppm/ ° C
of reference voltage
(1)
Full range ± 150
I
Z
= 100 µ A, V
Z
= 5 V 25 ° C ± 15
I
Z
= 1 mA, f = 120 Hz,
25 ° C 0.3
I
AC
= 0.1 I
Z
, V
Z
= V
REF
Z
Z
Reverse dynamic impedance Ω
I
Z
= 1 mA, f = 120 Hz,
25 ° C 2
I
AC
= 0.1 I
Z
, V
Z
= 10 V
I
Z
= 100 µ A, V
Z
= V
REF
,
e
N
Wideband noise 25 ° C 20 µ V
RMS
10 Hz ≤ f ≤ 10 kHz
t = 1000 h,
Long-term stability
T
A
= 25 ° C ± 0.1 ° C, 25 ° C 120 ppm
of reverse breakdown voltage
I
Z
= 100 µ A
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (V
Z
). See Typical Characteristics.
9
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