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Essentials Matter

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Analog

Power management

​ST’s linear regulator portfolio provides the best answer to any clean power supply requirement. It doesn’t matter which performance you are looking for, a solution is always available among our products! In addition to the well-recognized leadership and outstanding quality of our standard regulators for both positive and negative outputs, the ever-expanding high performance families address all the major trends in the modern industrial era. Our portfolio is the striking result of ST continuous improvement activity as well as the unrestrained research for the best performance – be it the lowest possible dropout voltage and quiescent current or the best transient response, ripple rejection and low noise.

Make sure the voltage reference you are looking for is a real reference in the market! Need to design a simple wall adapter or an ultra-precise robot for non-invasive surgery?...Don’t worry! ST provides you with the best solution and no compromises. Inside the ST portfolio a wide range of fixed and adjustable voltage references ranging from general-purpose high power shunts, suitable for industrial and SMPS applications coexists with a selection of state-of-the art high-precision and low-consumption devices, suitable for battery-powered applications or high-accuracy equipment working in sensitive environments such as automotive and avionics or laboratory instrumentation.


Linear voltage regulators


Part number
 

Description

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L78 series


1.5A Positive Std Drop Voltage Regulator


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L79 series

 
1.5A Negative Std Drop Voltage Regulator


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LD298x


Low Current Low Drop Voltage Regulator


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LM317


1.2V to 37V Adjustable Voltage Regulator


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LD1117


800mA Low Drop Voltage Regulator


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Voltage references 


  Part number
 

Description

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TL431


Programmable Shunt Voltage Reference


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TL1431


Programmable Shunt Voltage Reference


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TS431


Low Voltage Adjustable Shunt Voltage Reference


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TLVH431


Programmable Shunt Voltage Reference


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LM4041


Precision Micropower Shunt Voltage Reference


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Product highlights 

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Resource Center

Check out our informative resource center to find related literature, webinars, videos and mobile apps!

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Low-Dropout Voltage Regulator for Permanently Connected Power Apps

The ST730 is a 300mA, 28 V LDO regulator with embedded protection functions, featuring ultra-low quiescent current of 5 μA suitable for electronic applications which are always turned on.

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Space-Saving LDO is Ideal for Low-Power Handhelds

Housed in a compact package, the LD57100 voltage regulator for battery-operated devices features ultra-low dropout voltage at 1 A load. Thermal protection and shutdown mode included.

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Signal conditioning & interfaces

ST's Amplifier and Comparator portfolio includes a broad range of general-purpose and industry-standard, pin to pin replacement products, like the popular LM3 and LM29 series, up to 44 V op amps, as well as TL06/07/08 series of junction field-effect transistor (JFET) low input bias current op amps. Many references are available with automotive-grade qualification (AEC-Q100-compliant) and they all provide the highest quality and robustness. ST op amps help enhance the signal chain and are the perfect companion to microcontrollers and analog sensors.

ST offers interface ICs complying with the most popular industry-standard protocols including RS-232, RS-422, RS-423, and RS-485. They are available in a choice of transmitter/receiver configurations with data rates up to 30 Mbit/s. To meet requirements for the harsh industrial environment, they are available in a 3 to 5.5 V operating voltage range with enhanced ESD protections (15 kV HBM, 8 kV contact discharge) and extended temperature range (-40 to 125°C).


Operational amplifiers
 


Part number
 

Description

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TL084
 

JFET inputs, low input bias current

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TL082
 

JFET inputs, low input bias current

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TL074
 

JFET inputs, low input bias current

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TL072
 

JFET inputs, low input bias current

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TL064
 

JFET inputs, low input bias current

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TL062
 

JFET inputs, low input bias current

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MC4558
 

Wide-bandwidth dual bipolar

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MC33172
 

Low consumption versus speed

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MC33079
 

Low noise quad operational amplifier

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MC33078
 

Low noise dual operational amplifier

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LM358
 

Low-power dual op-amps with low input bias current

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LM324
 

Low power, quad, low input bias current

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LM2902
 

Low power, quad/dual, bipolar opamp

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LM2904
 

Low power, quad/dual, bipolar opamp

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Interfaces


Comparators
 


Part number
 

Description

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LM393

 
  Low power, dual, bipolar
 

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LM339

 
  Low power, quad, bipolar comparator
 

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LM2901
 

  Low power, quad/dual, bipolar comparator

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LM2903
 

  Low power, quad/dual, bipolar comparator

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Part number
 

Description

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ST232B

 
  5 V powered multi-channel RS-232 drivers and receivers
 

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ST232EB
 

  15 kV ESD protected 5V RS-232 transceiver, [-40oC, 85oC] temperature range

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ST3232EB

 
  15 kV ESD protected, 3 to 5.5V low power up to 250 kbps, RS232 drivers and receivers
 

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ST3485EB
 

  3.3 V powered, 15 kV ESD protected, up to 12 Mbps RS-485/RS-422 transceiver

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ST485B
 

  Low power RS-485/RS-422 transceiver

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ST485EB
 

  +/-15 Kv ESD protected, low power RS-485/RS-422 transceiver

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Product highlights

Signal conditioning

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Quad-Channel, Nanopower Op Amp Boosts Sensing Accuracy and Saves Space

Offering high accuracy (150 μV) and low noise with a low supply voltage, the TSU114 is ideal for space-constrained, ultra-low current consumption applications.

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High-Precision Current Measurement and Protection

Able to sense very low drop voltages as low as 10mV, the TSC2011 high-voltage bidirectional current sense amplifier improves application safety. Available with an amplifier gain of 60 V/V.

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Leveraging BiCMOS Technology for High-Performance Op Amp Series

36 V TSB Op Amp family offers outstanding power density and high tolerance to ESD combined with low-power consumption, making it ideal for industrial applications.

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TSX Micropower Comparators for Robust Circuit Design

With their wide single-supply voltage range of 2.7 to 16 V, the new comparators can operate from the standard voltages used in a wide variety of industrial equipment.

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The TS88 Series Reduces Supply Leakage for Enhanced Battery Lifetime

Designed for portable applications, these single and dual-channel nano power comparators (TS880 and TS883) feature an ultra low-supply current with rail-to-rail input capability and open-drain output.

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Two New Swiss Army Knives in Dual Operational Amplifiers

With a supply voltage ranging from 2.7 to 36V, low input offset voltage and high speed, the TSB712 and TSB7192 are components of choice for sensing applications in automotive settings.

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Interfaces
 

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Small and Powerful RS485 Transceiver

The STR485 is a small and powerful RS485 transceiver with a dual data rate and compatibility with 1.8 V power supplies to significantly simplify designs.