OPA228UA The Texas Instruments OPA228UA is a high-precision, low-noise operational amplifier. It offers a 33 MHz bandwidth and a low noise density of 3 nV/√Hz.
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OPA228UA

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments OPA228UA is a high-precision, low-noise operational amplifier. It offers a 33 MHz bandwidth and a low noise density of 3 nV/√Hz.
✓ Total Stock: 1,628 pcs

OPA228UA Available from 1 distributor

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OPA228UA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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OPA228UA Description

Short technical summary and product information.

The Texas Instruments OPA228UA is a high-precision operational amplifier designed for demanding applications. It features a wide bandwidth of 33 MHz and a low noise density of 3 nV/√Hz at 1 kHz, making it suitable for sensitive signal processing.

 

Key electrical characteristics include a low offset voltage of 0.075 mV maximum at 25°C and a low offset drift of 0.1 µV/°C typical. The amplifier operates over a wide supply voltage range of ±2.5 V to ±18 V and provides a typical output current of 0.045 A. Its high Common Mode Rejection Ratio (CMRR) of 138 dB and high open-loop gain of 160 dB contribute to its precision.

 

The OPA228UA is available in PDIP and SOIC packages. It is designed for operation across a broad temperature range of -55°C to 125°C, ensuring reliability in various environmental conditions.

OPA228UA Quick Information

Product Type: Operational Amplifier
Series: OPA228
Canonical Name: OPA228UA High Precision Operational Amplifier
Subcategory: Precision Op Amp

OPA228UA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

OPA228UA Features

  • High precision operational amplifier.
  • 33 MHz wide bandwidth.
  • Low noise density of 3 nV/√Hz.
  • Low offset voltage of 75 µV.
  • Wide supply voltage range.

OPA228UA Applications

  • Ideal for precision signal amplification.
  • Suitable for low-noise instrumentation.
  • Used in sensitive analog circuits.
  • Designed for wide temperature ranges.

OPA228UA FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the OPA228UA?

The OPA228UA operates from a total supply of 5V to 36V (single supply) or ±2.5V to ±18V (dual supplies).

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What packages are available for OPA228UA?

The OPA228UA is available in an 8-pin SOIC package.

What is the typical gain-bandwidth product?

The typical gain-bandwidth product is 33MHz.

What is the maximum offset voltage at 25°C?

The maximum offset voltage at 25°C is 0.075mV (75µV).

What is the typical THD+N at 1kHz?

Typical THD+N at 1kHz is 0.00005%.

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