LM4040
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
www.ti.com
SLOS456I–JANUARY 2005–REVISED DECEMBER 2005
LM4040x10I Electrical Characteristics
at industrial temperature range, full-range TA = –40°C to 85°C (unless otherwise noted)
LM4040C10I
PARAMETER
TEST CONDITIONS
IZ = 150 µA
TA
UNIT
V
MIN
TYP
MAX
VZ
Reverse breakdown voltage
25°C
25°C
10
–50
50
115
100
103
Reverse breakdown voltage
tolerance
∆VZ
IZ = 150 µA
mV
Full range
25°C
–115
75
IZ,min
Minimum cathode current
µA
Full range
25°C
IZ = 10 mA
±40
±20
25°C
Average temperature coefficient
of reverse breakdown voltage
αVZ
IZ = 1 mA
ppm/°C
Full range
25°C
±100
IZ = 150 µA
IZ,min < IZ < 1 mA
±20
25°C
0.8
1.5
3.5
12
DVZ
DIZ
Full range
25°C
Reverse breakdown voltage change
with cathode current change
mV
8
1 mA < IZ < 15 mA
Full range
23
IZ = 1 mA, f = 120 Hz,
IAC = 0.1 IZ
ZZ
eN
Reverse dynamic impedance
Wideband noise
25°C
25°C
0.7
1.7
Ω
IZ = 150 µA,
10 Hz ≤ f ≤ 10 kHz
180
µVRMS
t = 1000 h,
TA = 25°C ± 0.1°C,
IZ = 150 µA
Long-term stability
of reverse breakdown voltage
120
ppm
%
VHYST
Thermal hysteresis(1)
∆TA = –40°C to 125°C
0.08
(1) Thermal hysteresis is defined as VZ,25°C (after cycling to –40°C) – VZ,25°C (after cycling to 125°C).
23