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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)
LM4041BI LM4041CI
PARAMETER TEST CONDITIONS T
A
UNIT
MIN TYP MAX MIN TYP MAX
V
REF
Reference voltage I
Z
= 100 µ A, V
Z
= 5 V 25 ° C 1.233 1.233 V
25 ° C –2.5 2.5 –6.2 6.2
Reference voltage
I
Z
= 100 µ A, V
Z
= 5 V mV
tolerance
(1)
Full range –10.5 10.5 –14 14
25 ° C 45 75 45 75
Minimum cathode
I
Z,min
µ A
current
Full range 80 80
25 ° C 0.7 1.5 0.7 1.5
I
Z,min
< I
Z
< 1 mA
Reference voltage
Full range 2 2
V
REF
/ I
Z
change with cathode mV
25 ° C 2 4 2 4
current change
1 mA < I
Z
< 12 mA
Full range 6 6
Reference voltage 25 ° C –1.55 –2 –1.55 –2
V
REF
/ V
KA
change with output I
Z
= 1 mA mV/V
Full range –2.5 –2.5
voltage change
25 ° C 60 100 60 100
I
FB
Feedback current nA
Full range 120 120
I
Z
= 10 mA, V
Z
= 5 V 25 ° C ± 20 ± 20
Average temperature
25 ° C ± 15 ± 15
α V
REF
coefficient of I
Z
= 1 mA, V
Z
= 5 V ppm/ ° C
Full range ± 100 ± 100
reference voltage
(1)
I
Z
= 100 µ A, V
Z
= 5 V 25 ° C ± 15 ± 15
I
Z
= 1 mA, f = 120 Hz,
25 ° C 0.3 0.3
I
AC
= 0.1 I
Z
, V
Z
= V
REF
Reverse dynamic
Z
Z
impedance
I
Z
= 1 mA, f = 120 Hz,
25 ° C 2 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 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
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (V
Z
). See Typical Characteristics.
8
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