ADA4051-1

PRODUCTION

1.8 V, µpower, Zero-Drift, RRIO Single Amplifier

Data Sheet (Rev. C) Product Selection Table
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Overview

  • Very low supply current: 13 μA typical
  • Low offset voltage: 15 μV maximum
  • Offset voltage drift: 20 nV/°C
  • Single-supply operation: 1.8 V to 5.5 V
  • High PSRR: 110 dB minimum
  • High CMRR: 110 dB minimum
  • Rail-to-rail input/output
  • Unity-gain stable
  • Extended industrial temperature range

The ADA4051-1/ADA4051-2 are CMOS, micropower, zerodrift operational amplifiers utilizing an innovative chopping technique. These amplifiers feature rail-to-rail input/output swing and extremely low offset voltage while operating from a 1.8 V to 5.5 V power supply. In addition, these amplifiers offer high power supply rejection ratio (PSRR) and common-mode rejection ratio (CMRR) while operating with a typical supply current of 13 μA per amplifier. This combination of features makes the ADA4051-1/ADA4051-2 amplifiers ideal choices for battery-powered applications where high precision and low power consumption are important.

The ADA4051-1/ADA4051-2 are specified for the extended industrial temperature range of −40°C to +125°C. The ADA4051-1 amplifier is available in 5-lead SOT-23 and 5-lead SC-70 packages. The ADA4051-2 amplifier is available in an 8-lead MSOP and an 8-lead LFCSP.

The ADA4051-1/ADA4051-2 are members of a growing series of zero-drift op amps offered by Analog Devices, Inc.

Applications

  • Pressure and position sensors
  • Temperature measurements
  • Electronic scales
  • Medical instrumentation
  • Battery-powered equipment
  • Handheld test equipment
ADA4051-1
1.8 V, µpower, Zero-Drift, RRIO Single Amplifier
ADA4051-1-PCL
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Documentation

Data Sheet 1

Application Note 2

Technical Articles 2

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LTC2063
RECOMMENDED FOR NEW DESIGNS 2µA Supply Current, Low IB, Zero-Drift Operational Amplifiers
LTC2066
RECOMMENDED FOR NEW DESIGNS 10μA Supply Current, Low IB, Zero-Drift Operational Amplifier
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • ADA4051

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

Open Tool

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool

SPICE Model 1

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

EVAL-OPAMP-1

EVAL-OPAMP-1 Evaluation Board

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Product Details

The Universal Precision Op Amp Evaluation Boards have been designed and optimized for many circuit configurations allowing the users to best suit their applications. These boards are all RoHs Compliant. See references below on what board to order by lead count and package.

  • EVAL-PRAOPAMP-1KSZ (Single 5-Lead SC70) KS-5
  • EVAL-PRAOPAMP-1RJZ (Single 5-Lead SOT 23) RJ-5
  • EVAL-PRAOPAMP-1RMZ (Single 8-Lead MSOP) RM-8
  • EVAL-PRAOPAMP-1RZ (Single 8-Lead SOIC) R-8
EVAL-OPAMP-1
EVAL-OPAMP-1 Evaluation Board

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