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AD8542 General-Purpose CMOS Dual Rail-to-Rail Amplifier

The AD8542 are single rail dual op-amps with very low current and bandwidth of 1MHz from Analog devices. They can operate from a single supply ranging starting from 2.7V. They have a very low current consumption of 45uA per amplifier even at 1MHz. AD8542s can be used for a variety of applications including integrators, photodiode amplifiers, piezoelectric sensors, and other high impedance applications because of their vey low input bias current. The AD8542 is available in 8-lead SOIC, 8-lead MSOP, and 8-lead TSSOP surface-mount packages.

 

AD8542 Pinout Configuration

Pin Number

Pin Name

Description

1

OUT A

Output of first Op-Amp

2

- INPUT A

Inverting input of first Op-Amp

3

+ INPUT A

Non-inverting input of first Op-Amp

4

V-

Negative supply pin

5

-INPUT B

Inverting input of second Op-Amp

6

+ INPUT B

Non-inverting input of second Op-Amp

7

OUT B

Output of second Op-Amp

8

VCC

Positive Supply Voltage

 

Features

  • Single-supply operation: 2.7 V to 5.5 V
  • Low supply current: 45 μA/amplifier
  • Wide bandwidth: 1 MHz
  • No phase reversal
  • Low input currents: 4 pA
  • Stable Unity gain
  • Rail-to-rail input and output

 

AD8542 Equivalent Precision Op-Amp ICS

LM358TL072NE5532, TL082, RC4558  

 

Other Op-Amps

LM358TL072NE5532, LM301, RC4558 , LM324, TL074, UA741, LM224,TL082,LM741

 

Note: Complete technical details can be found in the AD8542 datasheet at this page’s end.

 

Brief Description

Precision amplifiers like the AD8542 are frequently utilised in both industrial and consumer applications. This dual operational amplifier is perfect for battery-powered applications due to its high input impedance, low offset voltage, and low quiescent current. It can function at a maximum supply voltage of 16V and has a wide voltage range. The AD8542 is a well-liked option for applications including medical equipment, data collecting systems, and precision instrumentation due to its small size, low power consumption, and great performance.

The exceptional precision and accuracy of the AD8542 is one of its most noteworthy benefits. Because of its low input offset voltage, any slight voltage swings at the input won't have an impact on the output. Additionally, it is suitable for precision applications where even the slightest signal fluctuations are crucial due to its low noise voltage density. The AD8542 is a great option for signal conditioning and amplification for sensor signals because to its high gain and bandwidth as well as its low input bias current. Furthermore, it is a well-liked option for portable and battery-powered devices that need a long battery life and low noise operation because to its low power consumption and resilience. The AD8542 is an operational amplifier with high performance and versatility.

 

Applications

  • ASIC input or output amplifiers
  • Sensor interfaces
  • Piezoelectric transducer amplifiers
  • Medical instrumentations
  • Mobile communications
  • Audio outputs
  • Portable systems

 

2D-Model and Dimensions

AD8542 2D-Model and Dimensions

Component Datasheet

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