LM4040-N_16 Datasheet, PDF (21/67 Pages) Texas Instruments – LM4040-N/-Q1 Precision Micropower Shunt Voltage Reference

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LM4040-N, LM4040-N-Q1
SNOS633K – OCTOBER 2000 – REVISED JUNE 2016
Electrical Characteristics: 3-V LM4040-N V_R Tolerance Grades 'C', 'D', And 'E'; Temperature
Grade 'E' (continued)
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%
and ±2%, respectively.
PARAMETER
TEST CONDITIONS
MIN ⁽¹⁾
TYP⁽²⁾ MAX⁽¹⁾
UNIT
Z_R
Reverse Dynamic
Impedance
I_R = 1 mA, f = 120
Hz,
I_AC = 0.1 I_R
LM4040CEM3
LM4040DEM3
LM4040EEM3
0.4
0.9
0.4
1.2
Ω
0.4
1.2
e_N Wideband Noise
I_R = 100 μA
10 Hz ≤ f ≤ 10 kHz
35
μV_rms
ΔV_R
V_HYST
Reverse Breakdown
Voltage Long Term
Stability
Thermal
Hysteresis ⁽⁵⁾
t = 1000 hrs
T = 25°C ±0.1°C
I_R = 100 μA
ΔT = −40°C to 125°C
120
ppm
0.08%
(5) Thermal hysteresis is defined as the difference in voltage measured at +25°C after cycling to temperature -40°C and the 25°C
measurement after cycling to temperature 125°C.
6.14 Electrical Characteristics: 4.1-V LM4040-N V_R Tolerance Grades 'A' And 'B'; Temperature
Grade 'I'
all other limits T_A = T_J = 25°C. The grades A and B designate initial Reverse Breakdown Voltage tolerances of ±0.1% and
±0.2%, respectively.
PARAMETER
TEST CONDITIONS
MIN ⁽¹⁾
TYP⁽²⁾ MAX⁽¹⁾
UNIT
Reverse Breakdown
Voltage
I_R = 100 μA
4.096
V
V_{R Reverse Breakdown}
Voltage Tolerance⁽³⁾
I_R = 100 μA
LM4040AIM3
LM4040AIZ
LM4040BIM3
LM4040BIZ
LM4040BIM7
T_A = T_J = 25°C
T_A = T_J = T_MIN to T_MAX
T_A = T_J = 25°C
T_A = T_J = T_MIN to T_MAX
±4.1
±31
±8.2
mV
±35
I_RMIN
Minimum Operating
Current
ΔV_R/ΔT
Average Reverse
Breakdown Voltage
Temperature
Coefficient ⁽³⁾
ΔV_R/ΔI
R
Reverse Breakdown
Voltage Change with
Operating Current
Change ⁽⁴⁾
I_R = 10 mA
I_R = 1 mA
I_R = 100 μA
I_RMIN ≤ I_R ≤ 1 mA
1 mA ≤ I_R ≤ 15 mA
T_A = T_J = 25°C
T_A = T_J = T_MIN to T_MAX
T_A = T_J = 25°C
T_A = T_J = T_MIN to T_MAX
T_A = T_J = 25°C
T_A = T_J = T_MIN to T_MAX
T_A = T_J = 25°C
T_A = T_J = T_MIN to T_MAX
50
68
μA
73
±30
±20
ppm/°C
±100
±20
0.5
0.9
1.2
mV
3
7
10
(1) Limits are 100% production tested at 25°C. Limits over temperature are ensured through correlation using Statistical Quality Control
(SQC) methods. The limits are used to calculate AOQL.
(2) Typicals are at T_J = 25°C and represent most likely parametric norm.
(3) The (overtemperature) limit for Reverse Breakdown Voltage Tolerance is defined as the room temperature Reverse Breakdown Voltage
Tolerance ±[(ΔV_R/ΔT)(maxΔT)(V_R)]. Where, ΔV_R/ΔT is the V_R temperature coefficient, maxΔT is the maximum difference in temperature
from the reference point of 25°C to T _MIN or T_MAX, and V_R is the reverse breakdown voltage. The total overtemperature tolerance for the
different grades in the industrial temperature range where maxΔT = 65°C is shown below:
A-grade: ±0.75% = ±0.1% ±100 ppm/°C × 65°C
B-grade: ±0.85% = ±0.2% ±100 ppm/°C × 65°C
C-grade: ±1.15% = ±0.5% ±100 ppm/°C × 65°C
D-grade: ±1.98% = ±1.0% ±150 ppm/°C × 65°C
E-grade: ±2.98% = ±2.0% ±150 ppm/°C × 65°C
The total overtemperature tolerance for the different grades in the extended temperature range where max ΔT = 100 °C is shown below:
C-grade: ±1.5% = ±0.5% ±100 ppm/°C × 100°C
D-grade: ±2.5% = ±1.0% ±150 ppm/°C × 100°C
E-grade: ±3.5% = ±2.0% ±150 ppm/°C × 100°C
Therefore, as an example, the A-grade 2.5-V LM4040-N has an overtemperature Reverse Breakdown Voltage tolerance of ±2.5V ×
0.75% = ±19 mV.
(4) Load regulation is measured on pulse basis from no load to the specified load current. Output changes due to die temperature change
must be taken into account separately.
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