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LM329

Features: 0.6 mA to 15 mA operating current0.6Ω dynamic impedance at any currentAvailable with temperature coefficients of 0.001%/˚C7µV wideband noise5% initial tolerance0.002% long term stabilityLow costSubsurface zenerSpecifications Initial Accuracy (+/-) Max 5 % Refere...

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SeekIC No. : 004395241 Detail

LM329: Features: 0.6 mA to 15 mA operating current0.6Ω dynamic impedance at any currentAvailable with temperature coefficients of 0.001%/˚C7µV wideband noise5% initial tolerance0.002% long...

LM329 Data Sheet

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Part Number:
LM329
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/3/13

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Product Details

Description



Features:

0.6 mA to 15 mA operating current
0.6Ω dynamic impedance at any current
Available with temperature coefficients of 0.001%/˚C
7µV wideband noise
5% initial tolerance
0.002% long term stability
Low cost
Subsurface zener




Specifications

Initial Accuracy (+/-) Max 5 %
Reference Voltage 6.9 V
Tempco, max (ppm/C) 10 ppm
Operating Current 0.6 mA
Output Current 15 mA
Temperature Min 0 deg C
Temperature Max 70 deg C
View Using Catalog


Reverse Breakdown Current 30 mA
Forward Current 2 mA
LM129 −55˚C to +125 ˚C
LM3290˚C to +70 ˚C
torage Temperature Range−55˚C to +150 ˚C
oldering Information
TO-92 package: 10 sec. 260 ˚C
TO-46 package: 10 sec. 300 ˚C




Description

The LM329 is a precision multi-current temperature-compensated 6.9V zener reference with dynamic impedance a factor of 10 to 100 less than discrete diodes. Constructed in a single silicon chip, the LM329 uses active circuitry to buffer the internal zener allowing the device to operate over a 0.5 mA to 15 mA range with virtually no change in performance. The LM329 is available with a temperature coefficients of 0.01%/°C. This reference also has excellent long term stability and low noise.

A new subsurface breakdown zener used in the LM329 gives lower noise and better long-term stability than conventional IC zeners. Further the zener and temperature compensating transistor are made by a planar process so they are immune to problems that plague ordinary zeners. For example, there is virtually no voltage shift in zener voltage due to temperature cycling and the device is insensitive to stress on the leads.

The LM329 can be used in place of conventional zeners with improved performance. The low dynamic impedance simplifies biasing and the wide operating current allows the replacement of many zener types.

The LM329 for operation over 0°C to 70°C is available in a TO-92 epoxy package.

Application Notes

Title Size in Kbytes Date
AN-298: Application Note 298 Isolation Techniques for Signal Conditioning 379 Kbytes 2-Oct-02 Download
AN-181: Application Note 181 3-Terminal Regulator Is Adjustable 165 Kbytes 1-May-04 Download
AN-263: Application Note 263 Sine Wave Generation Techniques 350 Kbytes 26-May-09 Download
AN-311: Application Note 311 Theory and Applications of Logarithmic Amplifiers 258 Kbytes 2-Oct-02 Download
AN-262: Application Note 262 Applying Dual and Quad FET Op Amps 416 Kbytes 2-Oct-02 Download
AN-256: Application Note 256 Circuitry for Inexpensive Relative Humidity Measurement 119 Kbytes 2-Oct-02 Download
AN-299: Application Note 299 Audio Applications of Linear Integrated Circuits 232 Kbytes 24-Feb-99 Download
AN-284: Application Note 284 Single-Supply Applications of CMOS MICRODACs 121 Kbytes 3-Oct-02 Download
AN-301: Application Note 301 Signal Conditioning for Sophisticated Transducers 579 Kbytes 2-Oct-02 Download
AN-286: Application Note 286 Applications of the LM392 Comparator Op Amp IC 135 Kbytes 2-Oct-02 Download

If you have trouble printing or viewing PDF file(s), see Printing Problems.

More Application Notes

Title Size in Kbytes Date
AN-97: Application Note 97 Versatile Timer Operates from Microseconds to Hours 457 Kbytes 24-Feb-99 Download
AN-103: Application Note 103 LM340 Series Three Terminal Positive Regulators 421 Kbytes 3-Oct-02 Download
AN-161: Application Note 161 IC Voltage Reference has 1ppm per Degree Drift 138 Kbytes 10-Oct-02 Download
AN-C: Application Note C V/F Converter ICs Handle Frequency-to-Voltage Needs 187 Kbytes 3-Oct-02 Download
AN-274: Application Note 274 CMOS A/D Converter Interfaces Easily with Many Microprocessors 73 Kbytes 3-Oct-02 Download
AN-666: DTMF Generation with 3.58 MHz Crystal 761 Kbytes 5-Aug-95 Download
AN-210: Application Note 210 New Phase-Locked-Loops Have Advantages as Frequency to Voltage Converters (and more) 339 Kbytes 3-Oct-02 Download
AN-1392: Application Note 1392 LM3485 LED Demo Board 569 Kbytes 7-Jun-06 Download
AN-1392 (Chinese): Application Note 1392 LM3485 LED Demo Board
 235 Kbytes 640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">
AN-269: Application Note 269 Circuit Applications of Multiplying CMOS D to A Converters 295 Kbytes 4-Oct-04 Download
AN-1461: Application Note 1461 LMH6321 (PSOP and TO-263) Single Open Loop High Speed Buffer Evaluation Boards 6341 Kbytes 27-Nov-06 Download
AN-1461 (Chinese): Application Note 1461 LMH6321 (PSOP and TO-263) Single Open Loop High Speed Buffer Evaluation Boards
 509 Kbytes 640){this.height=this.height*640/this.width;this.width=640;}' border="0" alt=" Connection Diagram">

If you have trouble printing or viewing PDF file(s), see Printing Problems.






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