LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS456J 鈥?JANUARY 2005 鈥?REVISED SEPTEMBER 2006
www.ti.com
LM4040x25I Electrical Characteristics
at industrial temperature range, full-range T
A
= 鈥?0擄C to 85擄C (unless otherwise noted)
PARAMETER
V
Z
鈭哣
Z
I
Z,min
Reverse breakdown voltage
Reverse breakdown voltage
tolerance
Minimum cathode current
I
Z
= 10 mA
偽
VZ
Average temperature coefficient
I
Z
= 1 mA
of reverse breakdown voltage
I
Z
= 100
碌A(chǔ)
DV
Z
DI
Z
TEST CONDITIONS
I
Z
= 100
碌A(chǔ)
I
Z
= 100
碌A(chǔ)
T
A
25擄C
25擄C
Full range
25擄C
Full range
25擄C
25擄C
Full range
25擄C
25擄C
Full range
25擄C
Full range
25擄C
25擄C
LM4040C25I
MIN
鈥?2
鈥?9
45
鹵20
鹵15
鹵100
鹵15
0.3
2.5
0.8
1
6
8
0.3
35
120
0.08
0.9
TYP
2.5
12
29
75
80
MAX
LM4040D25I
MIN
鈥?5
鈥?9
45
鹵20
鹵15
鹵150
鹵15
0.3
2.5
1
1.2
8
10
0.3
35
120
0.08
1.1
TYP
2.5
25
49
75
80
MAX
UNIT
V
mV
碌A(chǔ)
ppm/擄C
Reverse breakdown voltage
change with cathode current
change
I
Z,min
< I
Z
< 1 mA
1 mA < I
Z
< 15 mA
I
Z
= 1 mA, f = 120 Hz,
I
AC
= 0.1 I
Z
I
Z
= 100
碌A(chǔ),
10 Hz
鈮?/div>
f
鈮?/div>
10 kHz
t = 1000 h,
T
A
= 25擄C
鹵
0.1擄C,
I
Z
= 100
碌A(chǔ)
鈭員
A
= 鈥?0擄C to 125擄C
mV
Z
Z
e
N
Reverse dynamic impedance
Wideband noise
Long-term stability of reverse
breakdown voltage
鈩?/div>
碌V
RMS
ppm
%
V
HYST
(1)
Thermal hysteresis
(1)
Thermal hysteresis is defined as V
Z,25擄C
(after cycling to 鈥?0擄C) 鈥?V
Z,25擄C
(after cycling to 125擄C).
12
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