The Analog Devices AD8028ARMZ is a low-noise, high-speed operational amplifier in an 8-lead MSOP package, engineered for precision signal conditioning in instrumentation and communication systems. As part of the AD8028 family, it delivers a combination of low voltage noise density and high slew rate that preserves signal fidelity across wide bandwidths, while a rail-to-rail output stage maximizes dynamic range in single-supply designs. Typical implementations include driving high-resolution analog-to-digital converters, buffering digital-to-analog converter outputs in waveform generators, and serving as the active gain element in low-distortion filters for test and measurement equipment. These characteristics also make the amplifier suitable for medical imaging front-ends, automated test equipment, and high-speed data acquisition channels where maintaining signal integrity under varying load conditions is critical.
From a procurement standpoint, the ARMZ suffix designates an industrial temperature range (-40°C to +85°C) in a RoHS-compliant, lead-frame MSOP package, aligning with standard commercial-off-the-shelf requirements for most high-reliability applications. The device is fabricated on a mature bipolar process and remains in active production with no EOL notice, supporting long-lifecycle programs in industrial and aerospace sectors. Engineers sourcing for defense or space-grade builds should verify if supplemental screening, radiation tolerance, or military certifications are needed, as the standard industrial variant does not carry a MIL-PRF-38535 qualification. Obsolescence risk is minimal, but design-in strategies should account for the package’s thermal dissipation limits in dense board layouts and confirm supply chain continuity through authorized distribution channels to mitigate counterfeiting risks.
| Attribute | Value |
|---|---|
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 2 |
| Output Type | Rail-to-Rail |
| Slew Rate | 100V/µs |
| -3db Bandwidth | 190 MHz |
| Current - Input Bias | 4 µA |
| Voltage - Input Offset | 200 µV |
| Current - Supply | 6.5mA (x2 Channels) |
| Current - Output / Channel | 120 mA |
| Voltage - Supply Span (Min) | 2.7 V |
| Voltage - Supply Span (Max) | 12 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118in, 3.00mm Width) |
| Supplier Device Package | 10-MSOP |
Download the current available datasheet for AD8028ARMZ.
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