Original Part
Alternative Part
1. AD826ANZ Substitution Conclusion
The AD826ANZ is mechanically compatible with the OPA1013DN8 (both 8-DIP), but significant differences in electrical characteristics make direct substitution impractical. Key variations include: slew rate increases from 0.35 V/µs to 350 V/µs, and gain bandwidth product rises from 600 kHz to 50 MHz, making the AD826ANZ suitable for high-speed signal processing such as video or RF applications. Input bias current increases from 7 nA to 3.3 µA, and input offset voltage rises from 200 µV to 500 µV, indicating reduced precision and stability in low-noise or precision amplification circuits. Additionally, supply current per channel jumps from 350 µA to 6.6 mA, resulting in significantly higher power consumption, which is unsuitable for battery-powered or low-power designs. Substitution with the AD826ANZ is not recommended if the original design prioritizes low speed, low power, and high precision. It may only be considered when the application demands high-speed performance and can tolerate compromises in accuracy and power efficiency.
2. AD828ANZ Substitution Conclusion
The AD828ANZ shares the same 8-DIP package as the OPA1013DN8, but as a high-speed video amplifier, its electrical parameters differ substantially, limiting direct substitution feasibility. Notable differences include: slew rate increases from 0.35 V/µs to 450 V/µs, and -3dB bandwidth expands from 600 kHz (estimated from gain bandwidth product) to 130 MHz, making the AD828ANZ suitable for high-frequency signal amplification such as video transmission or wideband analog circuits. Total supply current rises sharply from approximately 700 µA to 14 mA, leading to significantly higher power dissipation. Input characteristics such as bias current and offset voltage are not explicitly specified in the datasheet; typically, such high-speed amplifiers exhibit lower precision and may not be suitable for high-accuracy measurement or low-noise applications. Output current capability is stronger at 50 mA per channel, providing better load driving capacity. If the original application involves low-speed, low-power, or precision amplification, substitution with the AD828ANZ is not viable. It should only be considered when the design emphasizes high-speed or video processing and can accommodate higher power consumption and potential loss of accuracy.
Analysis ID: A903-9F16000
Based on part parameters and for reference only. Not to be used for procurement or production.
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