Electronic Components Datasheet Search
Selected language     English  ▼


LM334SMX Datasheet(PDF) 1 Page - Texas Instruments

Click here to check the latest version.
Part No. LM334SMX
Description  LM134/LM234/LM334 3-Terminal Adjustable Current Sources
Download  26 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo 

 
 1 page
background image
LM134, LM234, LM334
www.ti.com
SNVS746E – MARCH 2000 – REVISED MAY 2013
LM134/LM234/LM334 3-Terminal Adjustable Current Sources
Check for Samples: LM134, LM234, LM334
1
FEATURES
The sense voltage used to establish operating current
2
Operates From 1V to 40V
in the LM134 is 64mV at 25°C and is directly
0.02%/V Current Regulation
proportional
to
absolute
temperature
(°K).
The
Programmable From 1
μA to 10mA
simplest one external resistor connection, then,
generates a current with
≈+0.33%/°C temperature
True 2-Terminal Operation
dependence. Zero drift operation can be obtained by
Available as Fully Specified Temperature
adding one extra resistor and a diode.
Sensor
Applications for the current sources include bias
±3% Initial Accuracy
networks, surge protection, low power reference,
ramp
generation,
LED
driver,
and
temperature
DESCRIPTION
sensing. The LM234-3 and LM234-6 are specified as
The LM134/LM234/LM334 are 3-terminal adjustable
true
temperature
sensors
with
ensured
initial
current sources featuring 10,000:1 range in operating
accuracy of ±3°C and ±6°C, respectively. These
current, excellent current regulation and a wide
devices are ideal in remote sense applications
dynamic voltage range of 1V to 40V. Current is
because series resistance in long wire runs does not
established with one external resistor and no other
affect accuracy. In addition, only 2 wires are required.
parts are required. Initial current accuracy is ±3%.
The LM134 is specified over a temperature range of
The LM134/LM234/LM334 are true floating current
−55°C to +125°C, the LM234 from −25°C to +100°C
sources with no separate power supply connections.
and the LM334 from 0°C to +70°C. These devices
In addition, reverse applied voltages of up to 20V will
are available in TO hermetic, TO-92 and SOIC-8
draw only a few dozen microamperes of current,
plastic packages.
allowing the devices to act as both a rectifier and
current source in AC applications.
Connection Diagrams
Figure 1. SOIC-8 Surface Mount Package
Figure 2. SOIC-8 Alternative Pinout Surface Mount
Package
(LM334M; LM334M/NOPB; LM334MX;
LM334MX/NOPB)
(LM334SM; LM334SM/NOPB; LM334SMX;
LM334SMX/NOPB)
See Package Number D
See Package Number D
Figure 3. TO Metal Can Package (Bottom View)
Figure 4. TO-92 Plastic Package (Bottom View)
See Package Number NDV
See Package Number LP
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2000–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26 


Datasheet Download




Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com 2003 - 2017    


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl