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LM4041CIM3-1.2 Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce LM4041CIM3-1.2
Description  LM4041-N/LM4041-N-Q1 Precision Micropower Shunt Voltage Reference
Download  34 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
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LM4041CIM3-1.2 Fiches technique(HTML) 3 Page - Texas Instruments

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LM4041-N, LM4041-N-Q1
www.ti.com
SNOS641F – OCTOBER 1999 – REVISED JULY 2013
Operating Ratings
(1) (2)
Temperature Range
(Tmin ≤ TA ≤ Tmax)
Industrial Temperature Range
−40°C ≤ TA ≤ +85°C
Extended Temperature Range
−40°C ≤ TA ≤ +125°C
Reverse Current
LM4041-N 1.2, LM4041-N-Q1 1.2
60
μA to 12 mA
LM4041-N ADJ, LM4041-N-Q1 ADJ
60
μA to 12 mA
Output Voltage Range
LM4041-N ADJ, LM4041-N-Q1 ADJ
1.24V to 10V
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the
Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
(2)
The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature),
θJA (junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any
temperature is PDmax = (TJmax − TA)/θJA or the number given in the Absolute Maximum Ratings, whichever is lower. For the LM4041-N,
TJmax = 125°C, and the typical thermal resistance (θJA), when board mounted, is 326°C/W for the SOT-23 package, 415°C/W for the
SC70 package and 180°C/W with 0.4
″ lead length and 170°C/W with 0.125″ lead length for the TO-92 package.
LM4041-N/LM4041-N-Q1 1.2 Electrical Characteristics (Industrial Temperature Range)
Boldface limits apply for TA = TJ = TMIN to TMAX; 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.
Symbol
Parameter
Conditions
Typical(1)
LM4041AIM3
LM4041BIM3
Units
LM4041QAIM3
LM4041QBIM3
(Limit)
LM4041AIM3
LM4041BIZ
LM4041AIZ
LM4041BIM7
Limits(2)
Limits(2)
VR
Reverse Breakdown Voltage
IR = 100 μA
1.225
V
Reverse Breakdown Voltage
IR = 100 μA
±1.2
±2.4
mV (max)
Tolerance(3)
±9.2
±10.4
mV (max)
IRMIN
Minimum Operating Current
45
μA
60
60
μA (max)
65
65
μA (max)
ΔVR/ΔT
Average Reverse Breakdown
IR= 10 mA
±20
ppm/°C
Voltage Temperature
IR = 1 mA
±15
±100
±100
ppm/°C (max)
Coefficient(3)
IR = 100 μA
±15
ppm/°C
(1)
Typicals are at TJ = 25°C and represent most likely parametric norm.
(2)
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.
(3)
The boldface (over-temperature) limit for Reverse Breakdown Voltage Tolerance is defined as the room temperature Reverse
Breakdown Voltage Tolerance ±[(
ΔVR↱ΔT)(max ΔT)(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 MAX or TMIN, and VR is the reverse breakdown voltage. The total over-
temperature 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 over-temperature tolerance for the different grades in the extended temperature range where max
ΔT = 100 °C is shown
below:
B-grade: ±1.2% = ±0.2% ±100 ppm/°C × 100°C
C-grade: ±1.5% = ±0.5% ±100 ppm/°C × 100°C
D-grade: ±2.5% = ±1.0% ±150 ppm/°C × 100°C
E-grade: ±4.5% = ±2.0% ±150 ppm/°C × 100°C
Therefore, as an example, the A-grade LM4041-N 1.2 has an over-temperature Reverse Breakdown Voltage tolerance of ±1.2V × 0.75%
= ±9.2 mV.
Copyright © 1999–2013, Texas Instruments Incorporated
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