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Electronics Buyers' Guide

Electronics Manufacturing & Production Handbook 2017


 

Zero-drift, zero-crossover op-amp
17 May 2017, Analogue, Mixed Signal, LSI

Texas Instruments introduced an operational amplifier (op-amp) it claims is the first to offer both zero-drift and zero-crossover technology. The OPA388 maintains high precision across the entire input range for a variety of industrial applications, including test and measurement, medical and safety equipment, and high-resolution data acquisition systems.

The unique architecture of the IC produces a combination of ultra-high input linearity and precision. TI’s zero-drift technology eliminates temperature drift and flicker noise to attain the highest DC precision and dynamic error correction, while its zero-crossover topology eliminates offset errors caused by common-mode limitations to achieve linear output and true rail-to-rail input operation.

The device’s zero-crossover topology eliminates the input offset transition region of traditional complementary metal-oxide semiconductor (CMOS) op-amps, assuring maximum linearity and minimal distortion across the entire common-mode input range. Its zero-drift technology delivers a low maximum offset voltage of 5 µV, a typical offset voltage drift of 0,005 V/°C and a maximum input bias current of 700 pA over the extended industrial temperature range of -40°C to 125°C. This eliminates the need for costly over-temperature calibration and increases DC precision.

With a 10 MHz gain bandwidth product (GBW), the OPA388 enables high gain configurations and makes it possible to acquire a wide range of signal types and frequencies to support equipment from precision weigh scales to heart-rate monitors. The ultra-low total harmonic distortion of -132 dBc and voltage noise of 7 nV/Hz help produce a high-resolution signal chain for specialised applications such as programmable logic controllers, precision field transmitters and motion control equipment.

For more information contact EBV Electrolink, +27 (0)21 402 1940, capetown@ebv.com, www.ebv.com


Credit(s)
Supplied By: EBV Electrolink
Tel: +27 11 236 1900
Fax: +27 11 236 1913
Email: saro.murabito@ebv.com
www: www.ebv.com
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Further reading:

  • How the humble op-amp plays a crucial role in medical electronics
    17 May 2017, Tempe Technologies, Analogue, Mixed Signal, LSI
    Vinaya Skanda from Microchip Technology shows the significance of the op-amp in certain applications, such as measuring vital signs on the human body.
  • Accelerometer for measuring high G forces
    17 May 2017, EBV Electrolink, Analogue, Mixed Signal, LSI
    Analog Devices announced a next-generation accelerometer designed for long-period monitoring of the physical condition of high-value assets. With its extremely low-power capabilities, the ADXL372 high-G ...
  • Top-view IR receivers
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  • Quartz crystals with high frequency stability
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  • Isolator with integrated power
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    19 April 2017, RS Components (SA), Analogue, Mixed Signal, LSI
    Targeting high-volume applications, the SPD800 series of CMOS technology digital and analog differential pressure sensors from Sensirion have been designed to measure the pressure of air and non-aggressive ...
  • Low-power MCU for IoT edge nodes
    19 April 2017, EBV Electrolink, DSP, Micros & Memory
    Analog Devices announced an ultra-low-power microcontroller unit (MCU) that addresses the rapidly growing need for embedding advanced algorithms while consuming the lowest system power at Internet of ...
  • Touchscreen controllers for automotive HMIs
    19 April 2017, Avnet South Africa, Analogue, Mixed Signal, LSI
    Microchip announced a new family of maXTouch touchscreen controllers for large-screen automotive human machine interface (HMI) designs. The technology brings multi-touch HMI, such as that experienced ...
  • Time-to-digital converter
    22 March 2017, Future Electronics, Analogue, Mixed Signal, LSI
    ams has launched a new version of its time-to-digital converter (TDC) offering improved speed and precision together with low power consumption. The new TDC-GPX2 also features standard low-voltage differential ...

 
 
         
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