Alternative Part
1. NE5534DR Substitution Conclusion
In terms of core AC performance (e.g., gain-bandwidth product, slew rate) and DC precision (e.g., input bias current, offset voltage), the NE5534DR is fully equivalent to the original NE5534AD. Therefore, it can be considered a direct substitute in the vast majority of audio and general-purpose amplifier circuits.
The key difference lies in the supply voltage range: the original Onsemi part supports 6V to 40V, whereas TI's NE5534DR is rated for 10V to 30V.
Consequently, the NE5534DR cannot be used if the original circuit operates below 10V (e.g., with a single 5V supply or ±5V rails) or above 30V (e.g., with high-voltage ±18V supplies). Substitution is feasible only if the original circuit's supply voltage strictly falls within the 10V to 30V range, as seen in common configurations like ±12V or ±15V.
2. SA5534D Substitution Conclusion
The case for the SA5534D is identical to that of the NE5534DR. All its specified performance parameters match those of the original NE5534AD.
Similarly, the difference is in the supply voltage range: the SA5534D is rated for 10V to 30V, which is narrower than the original part's 6V to 40V range. The feasibility of substitution depends entirely on the actual supply voltage of the existing circuit.
The SA5534D can serve as a direct functional and performance substitute if the original circuit's supply voltage is between 10V and 30V. It is not a valid substitute if the voltage falls outside this range. Typically, the SA5534D is a product code used by TI for an industrial-grade or specific batch of its NE5534 series and is electrically equivalent to the NE5534DR.
Analysis ID: 9E53-8B3F000
Based on part parameters and for reference only. Not to be used for procurement or production.
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