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LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS456J 鈥?JANUARY 2005 鈥?REVISED SEPTEMBER 2006
LM4040x50Q Electrical Characteristics
at extended temperature range, full-range T
A
= 鈥?0掳C to 125掳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
伪
VZ
Average temperature coefficient
I
Z
= 1 mA
of reverse breakdown voltage
I
Z
= 100
碌A
DV
Z
DI
Z
TEST CONDITIONS
I
Z
= 100
碌A
I
Z
= 100
碌A
T
A
25掳C
25掳C
Full range
25掳C
Full range
25掳C
25掳C
Full range
25掳C
25掳C
Full range
25掳C
Full range
25掳C
25掳C
LM4040C50Q
MIN
鈥?5
鈥?5
65
卤30
卤20
卤100
卤20
0.5
3.5
1
1.4
8
12
0.5
80
120
0.08
1.1
TYP
5
25
75
89
95
MAX
LM4040D50Q
MIN
鈥?0
鈥?25
65
卤30
卤20
卤150
卤20
0.5
3.5
1
1.8
8
12
0.5
80
120
0.08
1.1
TYP
5
50
125
89
95
MAX
UNIT
V
mV
碌A
ppm/掳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,
10 Hz
鈮?/div>
f
鈮?/div>
10 kHz
t = 1000 h,
T
A
= 25掳C
卤
0.1掳C,
I
Z
= 100
碌A
鈭員
A
= 鈥?0掳C to 125掳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掳C
(after cycling to 鈥?0掳C) 鈥?V
Z,25掳C
(after cycling to 125掳C).
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