LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS456J 鈥?JANUARY 2005 鈥?REVISED SEPTEMBER 2006
www.ti.com
LM4040x30I Electrical Characteristics
at industrial temperature range, full-range T
A
= 鈥?0掳C to 85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
LM4040A30I
MIN
鈥?
鈥?2
47
卤20
卤15
卤100
卤15
0.6
2.7
0.8
1.1
6
9
0.4
35
120
0.08
0.9
TYP
3
3
22
77
82
MAX
LM4040B30I
MIN
鈥?
鈥?6
47
卤20
卤15
卤100
卤15
0.6
2.7
0.8
1.1
6
9
0.4
35
120
0.08
0.9
TYP
3
6
26
77
82
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).
14
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