LM4040 Datasheet, PDF (10/30 Pages) National Semiconductor (TI) – Precision Micropower Shunt Voltage Reference

LM4040-2.5
Electrical Characteristics (Extended Temperature Range) (Continued)
Boldface limits apply for T_A = T_J = T_MIN to T_MAX; all other limits T_A = T_J = 25˚C. The grades C, D and E designate initial
Reverse Breakdown Voltage tolerances of ±0.5%, ±1.0% and ±2.0%, respectively.
Symbol
Parameter
Conditions
Typical LM4040CEM3 LM4040DEM3 LM4040EEM3
(Note 4)
Limits
Limits
Limits
(Note 5)
(Note 5)
(Note 5)
Units
(Limit)
Z_R
Reverse Dynamic I_R = 1 mA, f = 120 Hz,
0.3
Ω
Impedance
I_AC = 0.1 I_R
0.9
1.1
1.1
Ω (max)
e_N
Wideband Noise
I_R = 100 µA
35
µV_rms
10 Hz ≤ f ≤ 10 kHz
∆V_R
Reverse Breakdown t = 1000 hrs
Voltage Long Term T = 25˚C ±0.1˚C
120
Stability
I_R = 100 µA
V_HYST
Thermal Hysteresis ∆T = −40˚C to +125˚C
(Note 8)
0.08
ppm
%
LM4040-3.0
Electrical Characteristics (Industrial Temperature Range)
Boldface limits apply for T_A = T_J = T_MIN to T_MAX; all other limits T_A = T_J = 25˚C. The grades A and B designate initial Re-
verse Breakdown Voltage tolerances of ±0.1% and ±0.2%, respectively.
Symbol
Parameter
Conditions
Typical
(Note 4)
LM4040AIM3
LM4040AIZ
(Limit)
(Note 5)
LM4040BIM3
LM4040BIZ
LM4040BIM7
Limits
(Note 5)
Units
(Limit)
V_R
Reverse Breakdown Voltage I_R = 100 µA
Reverse Breakdown Voltage I_R = 100 µA
Tolerance (Note 6)
3.000
±3.0
±22
±6.0
±26
V
mV (max)
mV (max)
I_RMIN Minimum Operating Current
47
62
µA
62
µA (max)
∆V_R/∆T
∆V_R/∆I_R
Average Reverse Breakdown I_R = 10 mA
Voltage Temperature
I_R = 1 mA
Coefficient (Note 6)
I_R = 100 µA
Reverse Breakdown Voltage I_RMIN ≤ I_R ≤ 1 mA
Change with Operating
Current Change (Note 7)
67
±20
±15
±100
±15
0.6
0.8
1.1
67
±100
0.8
1.1
µA (max)
ppm/˚C
ppm/˚C (max)
ppm/˚C
mV
mV (max)
mV (max)
1 mA ≤ I_R ≤ 15 mA
2.7
6.0
mV
6.0
mV (max)
9.0
9.0
mV (max)
Z_R
Reverse Dynamic
Impedance
e_N
Wideband Noise
I_R = 1 mA, f = 120 Hz,
0.4
I_AC = 0.1 I_R
0.9
I_R = 100 µA
35
10 Hz ≤ f ≤ 10 kHz
Ω
0.9
Ω (max)
µV_rms
∆V_R
Reverse Breakdown Voltage t = 1000 hrs
Long Term Stability
T = 25˚C ±0.1˚C
120
I_R = 100 µA
V_HYST
Thermal Hysteresis
(Note 8)
∆T = −40˚C to +125˚C
0.08
ppm
%
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