LM4041CIM3X-ADJ National Semiconductor, LM4041CIM3X-ADJ Datasheet

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LM4041CIM3X-ADJ

Manufacturer Part Number
LM4041CIM3X-ADJ
Description
IC,VOLT REFERENCE,ADJUSTABLE,1.24 TO 10V,BIPOLAR,TO-236,3PIN,PLASTIC
Manufacturer
National Semiconductor
Datasheets

Specifications of LM4041CIM3X-ADJ

Rohs Compliant
NO

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© 2001 National Semiconductor Corporation
LM4041
Precision Micropower Shunt Voltage Reference
General Description
Ideal for space critical applications, the LM4041 precision
voltage reference is available in the sub-miniature SC70 and
SOT-23 surface-mount packages. The LM4041’s advanced
design eliminates the need for an external stabilizing capaci-
tor while ensuring stability with any capacitive load, thus
making the LM4041 easy to use. Further reducing design
effort is the availability of a fixed (1.225V) and adjustable
reverse breakdown voltage. The minimum operating current
is 60 µA for the LM4041-1.2 and the LM4041-ADJ. Both
versions have a maximum operating current of 12 mA.
The LM4041 utilizes fuse and zener-zap reverse breakdown
or reference voltage trim during wafer sort to ensure that the
prime parts have an accuracy of better than
(A grade) at 25˚C. Bandgap reference temperature drift cur-
vature correction and low dynamic impedance ensure stable
reverse breakdown voltage accuracy over a wide range of
operating temperatures and currents.
Features
n Small packages: SOT-23, TO-92, and SC70
n No output capacitor required
n Tolerates capacitive loads
n Reverse breakdown voltage options of 1.225V and
Connection Diagrams
*This pin must be left floating or connected to pin 2.
adjustable
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
Top View
SOT-23
DS011392-1
DS011392-40
DS011392
±
0.1%
Key Specifications (LM4041-1.2)
j
j
j
j
j
j
Applications
n Portable, Battery-Powered Equipment
n Data Acquisition Systems
n Instrumentation
n Process Control
n Energy Management
n Automotive
n Precision Audio Components
*This pin must be left floating or connected to pin 1.
(A grade, 25˚C)
(10 Hz to 10kHz)
Output voltage tolerance
Low output noise
Wide operating current range
Industrial temperature range
Extended temperature range
Low temperature coefficient
See NS Package Number MAA05A
Top View
SC-70
DS011392-46
DS011392-47
100 ppm/˚C (max)
−40˚C to +125˚C
−40˚C to +85˚C
60µA to 12mA
January 2001
www.national.com
±
0.1%(max)
20µV
rms

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LM4041CIM3X-ADJ Summary of contents

Page 1

... Connection Diagrams SOT-23 DS011392-1 *This pin must be left floating or connected to pin 2. DS011392-40 Top View See NS Package Number MF03A (JEDEC Registration TO-236AB) © 2001 National Semiconductor Corporation Key Specifications (LM4041-1.2) j Output voltage tolerance (A grade, 25˚C) j Low output noise ( 10kHz) j Wide operating current range ...

Page 2

... Supplied as 3000 Supplied as Units Tape and 1000 Units Tape Reel and Reel LM4041AIM3X-1.2 LM4041BIM3X-1.2 LM4041BIM7-1.2 LM4041BIM7X-1.2 LM4041CEM3X-1.2 LM4041CIM7-1.2 LM4041CIM3X-1.2 LM4041CIM7-ADJ LM4041CEM3X-ADJ LM4041CIM3X-ADJ LM4041DEM3X-1.2 LM4041DIM7-1.2 LM4041DIM3X-1.2 LM4041DIM7-ADJ LM4041DEM3X-ADJ LM4041DIM3X-ADJ LM4041EEM3X-1.2 LM4041EIM7-1.2 LM4041EIM7X-1.2 LM4041EIM3X-1.2 Field Definition First Field Reference Second Field 1.225V Voltage Option ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Reverse Current Forward Current Maximum Output Voltage (LM4041-ADJ) Power Dissipation (T = 25˚C) (Note Package Z Package M7 Package Storage Temperature Lead Temperature M3 Packages ...

Page 4

LM4041-1.2 Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerances of Symbol Parameter V Reverse Breakdown Voltage Reverse Breakdown I R Voltage Tolerance (Note 6) I ...

Page 5

LM4041-1.2 Electrical Characteristics (Extended Temperature Range) Boldface limits apply for verse Breakdown Voltage tolerance of Symbol Parameter V Reverse Breakdown Voltage Reverse Breakdown I R Voltage Error (Note 6) I ...

Page 6

LM4041-ADJ (Adjustable) Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for 7)), mA RMIN R REF OUT ± and 1%, respectively for V = 5V. OUT Symbol Parameter ...

Page 7

LM4041-ADJ (Adjustable) Electrical Characteristics (Extended Temperature Range) Boldface limits apply for 7)), mA RMIN R REF OUT ± and 1%, respectively for V = 5V. OUT Symbol Parameter ...

Page 8

Electrical Characteristics (continued) 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 ...

Page 9

Typical Performance Characteristics Noise Voltage Start-Up Characteristics Reference Voltage vs Output Voltage and Temperature (Continued) Reverse Characteristics and Minimum Operating Current DS011392-5 DS011392-7 Reference Voltage vs Temperature and Output Voltage DS011392-11 9 DS011392-9 DS011392-8 DS011392-10 www.national.com ...

Page 10

Typical Performance Characteristics Feedback Current vs Output Voltage and Temperature Output Impedance vs Frequency Reverse Characteristics www.national.com (Continued) Output Saturation (SOT-23 Only) DS011392-12 Output Impedance vs Frequency DS011392-13 DS011392-15 10 DS011392-33 DS011392-14 DS011392-16 ...

Page 11

Typical Performance Characteristics Large Signal Response Functional Block Diagram *LM4041-ADJ only **LM4041-1.2 only (Continued) DS011392-17 11 DS011392-18 DS011392-21 www.national.com ...

Page 12

Applications Information The LM4041 is a precision micro-power curvature-corrected bandgap shunt voltage reference. For space critical applica- tions, the LM4041 is available in the sub-miniature SOT-23 and SC70 surface-mount package. The LM4041 has been designed for stable operation without the ...

Page 13

Typical Applications (Continued) FIGURE 3. Bounded amplifier reduces saturation-induced delays and can prevent succeeding stage damage. Nominal clamping voltage is DS011392-20 FIGURE 4. Voltage Level Detector DS011392-24 ± V (LM4041’s reverse breakdown voltage) +2 diode V O FIGURE 5. Voltage ...

Page 14

Typical Applications (Continued) FIGURE 6. Fast Positive Clamp 2. FIGURE 7. Bidirectional Clamp www.national.com DS011392-25 DS011392-26 ± 2.4V FIGURE 10. Simple Floating Current Detector 14 DS011392-35 FIGURE 8. Bidirectional Adjustable ± ± Clamp 18V to 2.4V DS011392-36 ...

Page 15

Typical Applications (Continued) Note 9: *D1 can be any LED 1. mA. D1 may act as an indicator. D1 will FIGURE 12. Precision Floating Current Detector DS011392-38 FIGURE 11. ...

Page 16

Typical Applications (Continued) FIGURE 13. Precision 1 µ Current Sources www.national.com DS011392-28 DS011392-29 16 ...

Page 17

Physical Dimensions inches (millimeters) unless otherwise noted Plastic Surface Mount Package (M3) NS Package Number MF03A (JEDEC Registration TO-236AB) 17 www.national.com ...

Page 18

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted (Continued) Molded Package (SC70) NS Package Number MAA05A 18 ...

Page 19

... NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant ...

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