LM4041BIM3X-1.2 National Semiconductor, LM4041BIM3X-1.2 Datasheet

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LM4041BIM3X-1.2

Manufacturer Part Number
LM4041BIM3X-1.2
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of LM4041BIM3X-1.2

Fixed / Adjust / Prog
Precision
Output Voltage (max)
1.225V
Temperature Coefficient
20ppm/°C
Reference Voltage Accuracy (max)
0.2
Load Regulation
4mV(Typ)
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
3
Package Type
SOT-23
Lead Free Status / Rohs Status
Not Compliant

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© 2005 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
SOT-23
*This pin must be left floating or connected to pin 2.
SC-70
*This pin must be left floating or connected to pin 1.
adjustable
01139201
01139246
DS011392
See NS Package Number MAA05A
See NS Package Number MF03A
(JEDEC Registration TO-236AB)
±
0.1%
Top View
Top View
Key Specifications (LM4041-1.2)
Applications
n Portable, Battery-Powered Equipment
n Data Acquisition Systems
n Instrumentation
n Process Control
n Energy Management
n Automotive
n Precision Audio Components
j
j
j
j
j
j
(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
01139240
01139247
100 ppm/˚C (max)
−40˚C to +125˚C
−40˚C to +85˚C
60µA to 12mA
www.national.com
±
March 2005
0.1%(max)
20µV
rms

Related parts for LM4041BIM3X-1.2

LM4041BIM3X-1.2 Summary of contents

Page 1

... Reverse breakdown voltage options of 1.225V and adjustable Connection Diagrams SOT-23 01139201 *This pin must be left floating or connected to pin 2. SC-70 01139246 *This pin must be left floating or connected to pin 1. © 2005 National Semiconductor Corporation Key Specifications (LM4041-1.2) j Output voltage tolerance (A grade, 25˚C) j Low output noise ( 10kHz) j ...

Page 2

... LM4041EIM3-1.2 grade) www.national.com (Continued) Bottom View See NS Package Number Z03A Package M7 (SC70) Supplied as 3000 Supplied as 1000 Units Tape and Units Tape and Reel Reel LM4041AIM3X-1.2 LM4041BIM3X-1.2 LM4041BIM7-1.2 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 LM4041EIM3X-1 ...

Page 3

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 R1A (SOT-23 Only) R1B R1C R1D R1E RAC RAD ...

Page 4

... 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 5

LM4041-1.2 Electrical Characteristics (Industrial Temperature Range) 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 ...

Page 6

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 Minimum Operating ...

Page 7

LM4041-ADJ (Adjustable) Electrical Characteristics (Industrial Temperature Range) Boldface limits apply for ≤ I ≤ 12 mA, V ≤ V 7)), I RMIN R REF OUT ± and 1%, respectively for V = 5V. ...

Page 8

LM4041-ADJ (Adjustable) Electrical Characteristics (Extended Temperature Range) Boldface limits apply for ≤ I ≤ 12 mA, V ≤ V 7)), I RMIN R REF OUT ± and 1%, respectively for V = 5V. OUT Symbol ...

Page 9

LM4041-ADJ (Adjustable) Electrical Characteristics (Extended Temperature Range) 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 ...

Page 10

Typical Performance Characteristics Temperature Drift for Different Average Temperature Coefficient Noise Voltage Start-Up Characteristics www.national.com Output Impedance vs Frequency 01139219 Reverse Characteristics and Minimum Operating Current 01139205 01139207 10 01139204 01139209 01139208 ...

Page 11

Typical Performance Characteristics Reference Voltage vs Output Voltage and Temperature Feedback Current vs Output Voltage and Temperature Output Impedance vs Frequency (Continued) Reference Voltage vs Temperature 01139211 01139212 Output Impedance vs Frequency 01139213 11 and Output Voltage 01139210 Output Saturation ...

Page 12

Typical Performance Characteristics Reverse Characteristics Large Signal Response Functional Block Diagram *LM4041-ADJ only **LM4041-1.2 only www.national.com (Continued) 01139215 01139217 12 01139216 01139218 01139221 ...

Page 13

... 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 need of an external capacitor connected between the “+” pin and the “−” pin. If, however, a bypass capacitor is used, the LM4041 remains stable ...

Page 14

Typical Applications FIGURE 3. Bounded amplifier reduces saturation-induced delays and can prevent succeeding stage damage. Nominal clamping voltage is 01139220 FIGURE 4. Voltage Level Detector www.national.com (Continued) ± V (LM4041’s reverse breakdown voltage) +2 diode 01139224 . ...

Page 15

Typical Applications (Continued) 01139225 FIGURE 6. Fast Positive Clamp 2. FIGURE 7. Bidirectional Clamp FIGURE 8. Bidirectional Adjustable ± ± Clamp 18V to 2.4V FIGURE 9. Bidirectional Adjustable 01139226 ± 2.4V 01139235 15 01139236 ± ± Clamp ...

Page 16

Typical Applications Note 11: *D1 can be any LED 1. mA. D1 may act indicator. D1 will falls below the threshold current, except THRESHOLD with I = ...

Page 17

Typical Applications (Continued) FIGURE 12. Precision Floating Current Detector FIGURE 13. Precision 1 µ Current Sources 01139228 17 01139239 01139229 www.national.com ...

Page 18

Physical Dimensions unless otherwise noted www.national.com inches (millimeters) Plastic Surface Mount Package (M3) NS Package Number MF03A (JEDEC Registration TO-236AB) Molded Package (SC70) NS Package Number MAA05A 18 ...

Page 19

... 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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