LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS456J 鈥?JANUARY 2005 鈥?REVISED SEPTEMBER 2006
www.ti.com
LM4040x82I 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
= 150
碌A(chǔ)
DV
Z
DI
Z
TEST CONDITIONS
I
Z
= 150
碌A(chǔ)
I
Z
= 150
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
LM4040A82I
MIN
鈥?.2
鈥?1
67
鹵40
鹵20
鹵100
鹵20
0.6
7
1.3
2.5
10
18
0.6
130
120
0.08
1.5
TYP
8.192
8.2
61
106
110
MAX
LM4040B82I
MIN
鈥?6
鈥?0
67
鹵40
鹵20
鹵100
鹵20
0.6
7
1.6
2.5
10
18
0.6
130
120
0.08
1.5
TYP
8.192
16
70
106
110
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
= 150
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
= 150
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).
22
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