LM4040A10_16 Datasheet, PDF (17/53 Pages) Texas Instruments – Precision Micropower Shunt Voltage Reference

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LM4040A10, LM4040A20
SLOS456M – JANUARY 2005 – REVISED JANUARY 2015
7.16 LM4040A50I, LM4040B50I Electrical Characteristics
at industrial temperature range, full-range T_A = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T_A
LM4040A50I
MIN TYP MAX
V_Z
Reverse breakdown voltage
ΔV_Z
Reverse breakdown voltage
tolerance
I_Z = 100 μA
I_Z = 100 μA
25°C
25°C
–5
Full range –38
5
5
38
I_Z,min Minimum cathode current
25°C
Full range
65
89
95
I_Z = 10 mA
α_VZ
Average temperature coefficient
of reverse breakdown voltage
I_Z = 1 mA
25°C
25°C
Full range
±30
±20
±100
DV_Z
DI_Z
Reverse breakdown voltage
change with cathode current
change
I_Z = 100 μA
I_Z,min < I_Z < 1 mA
1 mA < I_Z < 15 mA
25°C
25°C
Full range
25°C
Full range
±20
0.5
1
1.4
3.5
8
12
Z_Z
Reverse dynamic impedance
I_Z = 1 mA, f = 120 Hz,
I_AC = 0.1 I_Z
e_N
Wideband noise
I_Z = 100 μA,
10 Hz ≤ f ≤ 10 kHz
25°C
25°C
0.5 1.1
80
Long-term stability of reverse
breakdown voltage
V_HYST Thermal hysteresis⁽¹⁾
t = 1000 h,
T_A = 25°C ± 0.1°C,
I_Z = 100 μA
ΔT_A = –40°C to 125°C
120
0.08%
(1) Thermal hysteresis is defined as V_Z,25°C (after cycling to –40°C) – V_Z,25°C (after cycling to 125°C).
LM4040B50I
UNIT
MIN TYP MAX
5
V
–10
10
mV
–43
43
65
89
μA
95
±30
±20
ppm/°C
±100
±20
0.5
1
1.4
mV
3.5
8
12
0.5 1.1 Ω
80
μV_RMS
120
ppm
0.08%
—
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