SGM8062XMS/TR 500MHz, Rail-to-Rail Output CMOS Operational Amplifiers

Product Comparison: SGMICRO SGM8062XMS/TR vs. Analog Devices AD8062ARMZ / AD8062ARMZ-R7

1. Power Efficiency
The SGM8062XMS/TR demonstrates significantly better power efficiency with a typical quiescent current of 1.3mA per channel, compared to 6.8mA per channel for the AD8062ARMZ. This makes the SGM8062XMS/TR exceptionally well-suited for low-power systems such as portable and battery-operated devices, offering around 80% lower power consumption than its ADI counterpart.

2. Operating Voltage Range
The SGM8062XMS/TR supports a wide single-supply voltage range of 2.5V to 5.5V, enabling flexibility across various system voltages, including low-voltage designs. In contrast, the AD8062ARMZ operates from 2.7V to 5.5V, limiting its compatibility in ultra-low voltage applications. This gives SGMICRO’s product an advantage for modern low-power logic systems and microcontroller interfacing.

3. Rail-to-Rail Output Performance
Both devices offer rail-to-rail output, but the SGM8062XMS/TR maintains excellent linearity and output swing closer to the rails even under load. This performance is beneficial in signal conditioning and ADC driver applications where maximizing dynamic range is critical, particularly in low-voltage systems.

4. Speed and Bandwidth
The AD8062ARMZ has a bandwidth of 145MHz and a slew rate of 180V/μs, designed for very high-speed applications. Meanwhile, the SGM8062XMS/TR provides a solid 70MHz bandwidth and 35V/μs slew rate, which is more than sufficient for the majority of high-performance general-purpose applications such as video signal buffering, audio processing, and control loops—while delivering this at a fraction of the power cost.

5. Noise Characteristics
The SGM8062XMS/TR has an input voltage noise density of approximately 13nV/√Hz, compared to 6.5nV/√Hz for the AD8062. While ADI’s part may be more suitable for extremely noise-sensitive systems, SGM8062XMS/TR offers a strong balance of low noise, speed, and efficiency, making it ideal for general analog signal chains that do not demand ultra-low noise performance.

6. Packaging and Compatibility
The SGM8062XMS/TR is packaged in a MSOP-8, which is footprint-compatible with the AD8062ARMZ / AD8062ARMZ-R7. This compatibility allows for drop-in replacement opportunities, making the SGM8062XMS/TR an excellent candidate for BOM optimization and second-sourcing strategies in existing designs using the AD8062.

7. Cost Efficiency and Supply Chain Benefits
SGMICRO offers the SGM8062XMS/TR at a more competitive price point, along with strong supply chain availability, which is increasingly important in today's procurement environment. Compared to ADI’s AD8062ARMZ, the SGM8062XMS/TR provides a cost-effective and stable alternative without compromising core performance in mainstream applications.

Conclusion
The SGM8062XMS/TR delivers a compelling mix of low power consumption, wide supply voltage compatibility, rail-to-rail output, and high-speed operation, making it a highly attractive solution for a variety of general-purpose analog signal processing tasks. While the AD8062ARMZ remains a strong performer in ultra-high-speed or ultra-low-noise applications, SGM8062XMS/TR offers significant advantages in efficiency, cost, and versatility, particularly for space- and power-constrained system designs.