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LM4040CIM3-2.0 Datasheet(PDF) 11 Page - Texas Instruments

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Part No. LM4040CIM3-2.0
Description  LM4040-N/-Q1 Precision Micropower Shunt Voltage Reference
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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LM4040CIM3-2.0 Datasheet(HTML) 11 Page - Texas Instruments

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11
LM4040-N, LM4040-N-Q1
www.ti.com
SNOS633K – OCTOBER 2000 – REVISED JUNE 2016
Product Folder Links: LM4040-N LM4040-N-Q1
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Copyright © 2000–2016, Texas Instruments Incorporated
Electrical Characteristics: 2-V LM4040-N VR Tolerance Grades 'C', 'D', And 'E'; Temperature
Grade 'E' (continued)
all other limits TA = TJ = 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
(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.
ZR
Reverse Dynamic
Impedance
IR = 1 mA, f = 120 Hz,
IAC = 0.1 IR
LM4040CEM3
0.3
0.9
Ω
LM4040DEM3
0.3
1.1
LM4040EEM3
0.3
1.1
eN
Wideband Noise
IR = 100 μA
10 Hz
≤ f ≤ 10 kHz
35
μVrms
ΔVR
Reverse Breakdown
Voltage Long Term
Stability
t = 1000 hrs
T = 25°C ±0.1°C
IR = 100 μA
120
ppm
VHYST
Thermal
Hysteresis(5)
ΔT = −40°C to 125°C
0.08%
(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 TJ = 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 ±[(
ΔVR/ΔT)(maxΔT)(VR)]. Where, ΔVR/ΔT is the VR temperature coefficient, maxΔT is the maximum difference in temperature
from the reference point of 25°C to T MIN or TMAX, and VR is the reverse breakdown voltage. The total overtemperature tolerance for the
different grades in the industrial temperature range where max
ΔT = 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.
6.8 Electrical Characteristics: 2.5-V LM4040-N VR Tolerance Grades 'A' And 'B'; Temperature
Grade 'I' (AEC Grade 3)
all other limits TA = TJ = 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
VR
Reverse Breakdown
Voltage
IR = 100 μA
2.5
V
Reverse Breakdown
Voltage Tolerance(3)
IR = 100 μA
LM4040AIM3
LM4040AIZ
LM4040AIM3
TA = TJ = 25°C
±2.5
mV
TA = TJ = TMIN to TMAX
±19
LM4040BIM3
LM4040BIZ
LM4040BIM7
LM4040QBIM3
TA = TJ = 25°C
±5
TA = TJ = TMIN to TMAX
±21
IRMIN
Minimum Operating
Current
TA = TJ = 25°C
45
60
μA
TA = TJ = TMIN to TMAX
65
ΔVR/ΔT
Average Reverse
Breakdown Voltage
Temperature
Coefficient(3)
IR = 10 mA
±20
ppm/°C
IR = 1 mA
TA = TJ = 25°C
±15
TA = TJ = TMIN to TMAX
±100
IR = 100 μA
±15


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