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Analog Devices ADA4522 series of Zero-Drift, Precision Op Amps Deliver Industry’s Best Noise Performance

Nucleo-ika01a1

The ADA4522 series of Zero-Drift, Precision Op Amps from Analog Devices help to simplify board design. The high-voltage, low-noise, zero-drift, precision operational amplifiers reduce system noise, cost, board space, and development time by providing on-chip electro-magnetic interference (EMI) filtering and eliminating the need for calibration circuitry.

The ADA4522-1/ADA4522-2/ADA4522-4 are single/dual/quad channel, zero-drift op amps with low noise and power, ground sensing inputs, and rail-to-rail output, optimized for total accuracy over time, temperature, and voltage conditions. The wide operating voltage and temperature ranges, as well as the high open-loop gain and very low dc and ac errors make the devices well suited for amplifying very small input signals and for accurately reproducing larger signals in a wide variety of applications.

Free eval   
Key Features
  • Low offset voltage: 5 μV maximum
  • Extremely low offset voltage drift: 22 nV/°C maximum
    • 117 nV p-p typical from 0.1 Hz to 10 Hz
  • Low input bias current: 50 pA typical
  • Unity-gain crossover: 3 MHz typical
  • Single-supply operation: input voltage range includes ground and rail-to-rail output
  • Wide range of operating voltages
    • Single-supply operation: 4.5 V to 55 V
    • Dual-supply operation: ±2.25 V to ±27.5 V
  • Integrated EMI filters
  • Unity-gain stable

Data

 

The ADA4522 series performance is specified at 5.0 V, 30 V, and 55 V power supply voltages. The devices operate over the range of 4.5 V to 55 V, and are excellent for applications using single-ended supplies of 5 V, 10 V, 12 V, and 30 V, or for applications using higher single supplies and dual supplies of ±2.5 V, ±5 V, and ±15 V.

Exhibiting noise performance that is at least 35 percent better than the closest competitor, the ADA4522 series provides the ease-of-use of a precision op amp with the ultra-low offset and drift of a zero-drift op amp.

Utilising on-chip filtering to achieve high immunity to electromagnetic interference (EMI) the ADA4522 series are fully specified over the extended industrial temperature range of −40°C to +125°C. Devices are available in 8-lead MSOP or 8-lead SOIC packages for ADA4522-1/2 variants and 14-lead SOIC or 14-lead TSSOP packages for ADA4522-4.

The ADA4522 series series is suitable for a wide range of applications, including precision current sensing in electronic loads, power supplies, motor control and offset correction in composite amplifiers used in instrumentation and other applications.

Click here to read the zero-drift amp technical article.

To aid the design process, the ADA4522 series series is supported by a range of Universal Precision Op Amp Evaluation Boards, these have been designed and optimized for many circuit configurations allowing the users to best suit their applications.

Anglia are offering customers a FREE Universal Precision Op Amp Evaluation Board and samples of the ADA4522 series of Zero-Drift, Precision Op Amps from Analog Devices, please complete the form below to request your FREE samples.

To register for a FREE ADA4522 sample and evaluation board from Analog Devices please fill in the form below

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FREE samples for UK and Ireland customers only, subject to availability.

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