LM329DZ/NOPB National Semiconductor, LM329DZ/NOPB Datasheet

LM329DZ/NOPB

Manufacturer Part Number

LM329DZ/NOPB

Description

IC REFERENCE PRECISION TO92-3

Manufacturer

National Semiconductor

Type

Voltage Referencer

Datasheets

1.LM329DZNOPB.pdf (8 pages)

2.LM329DZNOPB.pdf (3 pages)

Specifications of LM329DZ/NOPB

Reference Type

Shunt

Voltage - Output

6.9V

Tolerance

±5%

Temperature Coefficient

100ppm/°C

Number Of Channels

Current - Cathode

600µA

Current - Output

15mA

Operating Temperature

0°C ~ 70°C

Mounting Type

Through Hole

Package / Case

TO-92-3 (Standard Body), TO-226

Current, Supply

0.6 to 15 mA

Package Type

TO-92

Temperature, Operating, Range

0 to +70 °C

Voltage, Breakdown, Reverse

6.9 V

Voltage, Input

9 to 40 V

Voltage, Noise

7 μV

Voltage, Output

6.9 V

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Voltage - Input

Current - Quiescent

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

Other names

*LM329DZ
*LM329DZ/NOPB
LM329
LM329DZ

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LM329DZ/NOPB

Manufacturer:

National Semiconductor

Quantity:

1 872

Company:

Allchip Electronic(HK) Limited

Part Number:

LM329DZ/NOPB

Manufacturer:

Quantity:

13 328

Current page: 1 of 8
Download datasheet (196Kb)

LM329

Precision Reference

General Description

The LM329 is a precision multi-current temperature-compen-

sated 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 in-

ternal 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 simpli-

Connection Diagram

Order Number LM329DZ

Plastic Package (TO-92)

See NS Package Z03A

Bottom View

571404

5714

fies biasing and the wide operating current allows the re-

placement of many zener types.

The LM329 for operation over 0°C to 70°C is available in a

TO-92 epoxy package.

Features

■

Typical Applications

0.6 mA to 15 mA operating current

0.8Ω dynamic impedance at any current

Available with temperature coefficient of 0.01%/°C

7μV wideband noise

5% initial tolerance

0.002% long term stability

Low cost

Subsurface zener

Simple Reference

571401

January 17, 2008

www.national.com

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LM329DZ/NOPB Summary of contents

Page 1

... Plastic Package (TO-92) Bottom View Order Number LM329DZ See NS Package Z03A © 2008 National Semiconductor Corporation fies biasing and the wide operating current allows the re- placement of many zener types. The LM329 for operation over 0°C to 70°C is available in a TO-92 epoxy package. ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Reverse Breakdown Current Forward Current Electrical Characteristics Parameter Reverse Breakdown Voltage Reverse Breakdown Change with Current (Note 3) Reverse Dynamic Impedance (Note 3) ...

Page 3

Typical Applications Low Cost 0–25V Regulator 571407 Adjustable Bipolar Output Reference 0V to 20V Power Reference 3 571408 571409 www.national.com ...

Page 4

External Reference for Temperature Transducer Positive Current Source Buffered Reference with Single Supply 4 571402 571411 571403 ...

Page 5

Schematic Diagram Typical Performance Characteristics Reverse Characteristics Forward Characteristics Reverse Voltage Change 571413 571415 5 571410 571417 Response Time 571414 www.national.com ...

Page 6

Dynamic Impedance Low Frequency Noise Voltage www.national.com Zener Noise Voltage 571416 571405 6 571418 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted Plastic Package Order Number LM329DZ, NS Package Z03A 7 www.national.com ...

Page 8

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...

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