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Operational amplifiers

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In today’s digital world, many signals start as an analog one. Most sensors already have their own analog signal conditioning circuit, but an operational amplifier is still a key device when you need more complex amplification and filtering, or just for interfacing analog signals with an ADC or a microcontroller.    


Why you should choose ST Op Amps

ST's operational amplifier portfolio provides a unique choice of high performance, low power, precision op amps and tiny packages. It addresses voltages from 1.5 V to 44 V and operating temperatures from -40 to 150 °C. The automotive-grade op-amp portfolio features extreme reliability and quality demanded by automotive applications.

  • Largest micropower Op Amp portfolio on the market, with consumption as low as 600 nA
  • High volume supplier of highly reliable standard and high-performance op amps
  • Space-saving packages, such as CSP, DFN, QFN, SOT-23 and SC-70
  • Continuously increasing list of high-performance Op Amps with a 10-year longevity commitment

 

How do I pick the right Op Amp for an application?

Even though some may consider op amps as a commodity, they are not. Modern high-performance devices have a wide range of variable parameters. One device can have almost ideal parameters, while another may be little worse, and others can be completely different. The main key performance indicators for operational amplifiers can be listed as following:

The main key performance indicators for operational amplifiers image

 

ST's Op Amp series at a glance

 

ST's Op Amp series at a glance Image

 

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Tools

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X-NUCLEO-IKA01A1

Multifunctional expansion board based on operational amplifiers for STM32 Nucleo (NUCLEO-F401RE / NUCLEO-L053R8 / NUCLEO-L476RG)

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P-NUCLEO-IKA02A1

STM32 Nucleo pack: electrochemical toxic gas sensor expansion board with CO sensor

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ST-OPAMPS-APP

Operational amplifier and comparator application for smartphones and tablets

 

Videos

Zero-drift, High-Precision TSZ Op Amps for current sensing applications

The P-NUCLEO-IKA02A1 pack is a ready to use CO detector including an STM32 Nucleo expansion board based on two TSU111 Op Amps and a Figaro TGS5141 CO sensor

 
 
With today’s technologies, users can also receive an alert on their phone or a wearable device. ST’s S2-LP, sub-1GHz RF transceiver and the TSU111 operational amplifiers together with STM32 enable such enhanced alarms.

TSV792, High-bandwidth dual 5V op amps

 
 
 

 

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