LM4040BIM3-2.5 National Semiconductor, LM4040BIM3-2.5 Datasheet

IC, SHUNT V-REF, 2.5V, 5mV, 3-SOT-23

LM4040BIM3-2.5

Manufacturer Part Number
LM4040BIM3-2.5
Description
IC, SHUNT V-REF, 2.5V, 5mV, 3-SOT-23
Manufacturer
National Semiconductor
Datasheets

Specifications of LM4040BIM3-2.5

Topology
Shunt
Reference Voltage
2.5V
Reference Voltage Tolerance
5mV
Voltage Reference Case Style
SOT-23
No. Of Pins
3
Temperature Coefficient
± 100ppm/°C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2005 National Semiconductor Corporation
LM4040
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4040 precision
voltage reference is available in the sub-miniature SC70 and
SOT-23 surface-mount package. The LM4040’s advanced
design eliminates the need for an external stabilizing capaci-
tor while ensuring stability with any capacitive load, thus
making the LM4040 easy to use. Further reducing design
effort is the availability of several fixed reverse breakdown
voltages: 2.048V, 2.500V, 3.000V, 4.096V, 5.000V, 8.192V,
and 10.000V. The minimum operating current increases from
60 µA for the LM4040-2.5 to 100 µA for the LM4040-10.0. All
versions have a maximum operating current of 15 mA.
The LM4040 utilizes fuse and zener-zap reverse breakdown
voltage trim during wafer sort to ensure that the prime parts
have an accuracy of better than
Bandgap reference temperature drift curvature correction
and low dynamic impedance ensure stable reverse break-
down voltage accuracy over a wide range of operating tem-
peratures and currents.
Also available is the LM4041 with two reverse breakdown
voltage versions: adjustable and 1.2V. Please see the
LM4041 data sheet.
Features
n Small packages: SOT-23, TO-92 and SC70
n No output capacitor required
Connection Diagrams
*This pin must be left floating or connected to
pin 2.
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
Top View
SOT-23
01132301
±
0.1% (A grade) at 25˚C.
DS011323
See NS Package Number Z03A
Bottom View
TO-92
n Tolerates capacitive loads
n Fixed reverse breakdown voltages of 2.048V,
Key Specifications (LM4040-2.5)
Applications
n Portable, Battery-Powered Equipment
n Data Acquisition Systems
n Instrumentation
n Process Control
n Energy Management
n Product Testing
n Automotive
n Precision Audio Components
j
j
j
j
j
j
01132303
2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V
(10 Hz to 10 kHz)
Output voltage tolerance
Low output noise
Wide operating current range
Industrial temperature range
Extended temperature range
Low temperature coefficient
(A grade, 25˚C)
*
1.
This pin must be left floating or connected to pin
See NS Package Number MAA05A
Top View
SC70
100 ppm/˚C (max)
−40˚C to +125˚C
60 µA to 15 mA
−40˚C to +85˚C
01132330
35 µV
±
www.national.com
0.1% (max)
April 2005
rms
(typ)

Related parts for LM4040BIM3-2.5

LM4040BIM3-2.5 Summary of contents

Page 1

... Top View See NS Package Number MF03A (JEDEC Registration TO-236AB) © 2005 National Semiconductor Corporation n Tolerates capacitive loads n Fixed reverse breakdown voltages of 2.048V, 2.500V,3.000V, 4.096V, 5.000V, 8.192V, and 10.000V Key Specifications (LM4040-2.5) j Output voltage tolerance (A grade, 25˚ ...

Page 2

... Coefficient ± 0.1%, 100 LM4040AIM3-2.0 ppm/˚C max (A LM4040AIM3-2.5 grade) LM4040AIM3-3.0 LM4040AIM3-4.1 LM4040AIM3-5.0 LM4040AIM3-8.2 LM4040AIM3-10.0 ± 0.2%, 100 LM4040BIM3-2.0 ppm/˚C max (B LM4040BIM3-2.5 grade) LM4040BIM3-3.0 LM4040BIM3-4.1 LM4040BIM3-5.0 LM4040BIM3-8.2 LM4040BIM3-10.0 ± 0.5%, 100 LM4040CIM3-2.0 ppm/˚C max (C LM4040CIM3-2.5 grade) LM4040CIM3-3.0 LM4040CIM3-4.1 LM4040CIM3-5.0 LM4040CIM3-8 ...

Page 3

Extended Temperature Range (−40 ˚C to +125˚C) Reverse Breakdown Voltage Tolerance at 25 ˚C and Average Reverse Breakdown Voltage Temperature Coefficient ± 0.5%, 100 ppm/˚C max (C grade) ± 1.0%, 150 ppm/˚C max (D grade) ± 2.0%, 150 ppm/˚C max ...

Page 4

SOT-23 AND SC70 Package Marking Information Only three fields of marking are possible on the SOT-23’s and SC70’s small surface. This table gives the meaning of the three fields. Part Marking RJA SOT-23 only First Field: R2A SOT-23 only RKA ...

Page 5

... ≤ f ≤ 10 kHz 5 (Notes 1, 2) ≤ min A −40˚C ≤ −40˚C ≤ µ µ µ µ µ µ 100 µ LM4040BIM3 LM4040AIM3 LM4040BIZ LM4040AIZ Units LM4040BIM7 (Limit) (Limit) (Limit) (Note 5) (Note 5) ± ± 2.0 4.1 mV (max) ± ± ...

Page 6

... R 6.0 8.0 0.3 0 ± 0.1˚C 120 0.08 6 (Continued) = 25˚C. The grades A and B designate initial Re- LM4040BIM3 LM4040AIM3 LM4040BIZ LM4040AIZ LM4040BIM7 (Limit) (Limit) (Note 5) (Note 5) = 25˚C. The grades C, D and E designate initial LM4040DIM3 LM4040EIM7 LM4040DIZ LM4040EIZ LM4040DIM7 (Limit) (Limit) ...

Page 7

... The grades A and B designate initial Re- LM4040BIM3 LM4040AIM3 LM4040BIZ LM4040AIZ LM4040BIM7 (Limit) Limits (Note 5) (Note 5) ± ± 2.5 5.0 ± ± Units (Limit (max) mV (max) µ ...

Page 8

... Limits (Note 5) 2.500 ± 12 ± ± 20 ± ± 15 100 ± (Continued) = 25˚C. The grades A and B designate initial Re- LM4040BIM3 LM4040AIM3 LM4040BIZ LM4040AIZ LM4040BIM7 (Limit) Limits (Note 5) (Note 5) ± ± 100 100 ppm/˚C (max) 0.8 0.8 mV (max) 1.0 1.0 mV (max) 6.0 6.0 mV (max) 8 ...

Page 9

LM4040-2.5 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for Reverse Breakdown Voltage tolerances of Symbol Parameter ∆V /∆I Reverse Breakdown RMIN Voltage Change with Operating Current Change 1 mA ≤ I ...

Page 10

... The grades C, D and E designate initial LM4040DEM3 LM4040EEM3 Limits Limits (Note 5) (Note 5) 1.1 1.1 = 25˚C. The grades A and B designate initial Re- LM4040BIM3 LM4040AIM3 LM4040BIZ LM4040AIZ LM4040BIM7 (Limit) Limits (Note 5) (Note 5) ± ± 3.0 6.0 mV (max) ± ...

Page 11

LM4040-3.0 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for Reverse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown I = 100 µ Voltage Reverse Breakdown I = 100 µA R Voltage ...

Page 12

... The grades A and B designate initial Re- LM4040AIM3 LM4040BIM3 LM4040AIZ LM4040BIZ Limits LM4040BIM7 (Note 5) Limits (Note 5) ± ± 4.1 8.2 mV (max) ± ± (max) ...

Page 13

... ≤ f ≤ 10 kHz t = 1000 hrs 120 ± 25˚C 0.1˚ 100 µA R ∆T = −40˚C to +125˚C 0.08 13 (Continued) LM4040AIM3 LM4040BIM3 Units LM4040AIZ LM4040BIZ (Limit) Limits LM4040BIM7 (Note 5) Limits (Note 5) Ω (max) 1.0 1.0 µV www.national.com Ω rms ppm ...

Page 14

LM4040-4.1 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown Voltage I R Reverse Breakdown Voltage Tolerance (Note 6) I Minimum Operating Current RMIN ∆V ...

Page 15

... Hz 100 µ ≤ f ≤ 10 kHz t = 1000 hrs ± 25˚C 0.1˚C 120 I = 100 µA R ∆T = −40˚C to +125˚C 0.08 15 LM4040AIM3 LM4040BIM3 LM4040AIZ LM4040BIZ (Limit) Limits LM4040BIM7 (Note 5) Limits (Note 5) ± ± 5 (max) ± ± (max µA (max µ ...

Page 16

LM4040-5.0 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown Voltage I R Reverse Breakdown Voltage Tolerance (Note 6) I Minimum Operating Current RMIN ∆V ...

Page 17

LM4040-5.0 Electrical Characteristics (Extended Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown Voltage I R Reverse Breakdown Voltage Tolerance(Note 6) I Minimum Operating Current RMIN ...

Page 18

... ≤ f ≤ 10 kHz t = 1000 hrs ± 25˚C 0.1˚C 120 I = 150 µA R ∆T = −40˚C to +125˚C 0. 25˚C. The grades A and B designate initial Re- LM4040AIM3 LM4040BIM3 LM4040AIZ LM4040BIZ Limits Limits (Note 5) (Note 5) ± ± 8 (max) ± ± (max) ...

Page 19

LM4040-8.2 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown Voltage I R Reverse Breakdown Voltage Tolerance (Note 6) I Minimum Operating Current ...

Page 20

... ≤ f ≤ 10 kHz t = 1000 hrs ± 25˚C 0.1˚C 120 I = 150 µA R ∆T = −40˚C to +125˚C 0. 25˚C. The grades A and B designate initial Re- LM4040AIM3 LM4040BIM3 LM4040AIZ LM4040BIZ Limits Limits (Note 5) (Note 5) ± ± (max) ± ± (max) ...

Page 21

LM4040-10.0 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown Voltage I R Reverse Breakdown Voltage Tolerance (Note 6) I Minimum Operating Current ...

Page 22

Electrical Characteristics(Notes) Note 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 guarantee specific performance limits. For guaranteed specifications and test conditions, ...

Page 23

Typical Performance Characteristics Temperature Drift for Different Average Temperature Coefficient Output Impedance vs Frequency Noise Voltage vs Frequency Output Impedance vs Frequency 01132304 Reverse Characteristics and Minimum Operating Current 01132311 01132313 23 01132310 01132312 www.national.com ...

Page 24

Start-Up Characteristics LM4040-5.0 R Functional Block Diagram www.national.com 01132305 = 30k S 01132308 24 LM4040-2 30k S 01132307 LM4040-10 30k S 01132309 01132314 ...

Page 25

Applications Information The LM4040 is a precision micro-power curvature-corrected bandgap shunt voltage reference. For space critical applica- tions, the LM4040 is available in the sub-miniature SOT-23 and SC70 surface-mount package. The LM4040 has been designed for stable operation without the ...

Page 26

Typical Applications * * Ceramic monolithic *Tantalum FIGURE 2. LM4040-4.1’s Nominal 4.096 breakdown voltage gives ADC12451 1 mV/LSB www.national.com (Continued) 26 01132316 ...

Page 27

Typical Applications (Continued) FIGURE 3. Bounded amplifier reduces saturation-induced delays and can prevent succeeding stage damage. Nominal clamping voltage is FIGURE 4. Protecting Op Amp input. The bounding voltage is (LM4040’s reverse breakdown voltage + 3 diode V ± 11.5V ...

Page 28

Typical Applications www.national.com (Continued) ± FIGURE 5. Precision 4.096V Reference FIGURE 6. Precision 1 µ Current Sources 28 01132319 01132321 01132322 ...

Page 29

Physical Dimensions inches (millimeters) unless otherwise noted Plastic Surface Mount Package (M3) NS Package Number MF03A (JEDEC Registration TO-236AB) 29 www.national.com ...

Page 30

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) Plastic Package (Z) NS Package Number Z03A Molded Package (SC70) NS Package Number MAA05A 30 ...

Page 31

... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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