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NJM5532DD ultra-low-noise, low-distortion dual op amp This is the Japanese (Nisshinbo/JRC) equivalent to the original Signetics NE5532 dual low-noise op amp. It has all the same performance parameters as the original NE5532 including operation with up to ±22V supplies (maximum ±20V recommended), 4.5nV/√Hz noise and so on. The DD-suffix version is the guaranteed low-noise variant that has a specified maximum 1.4μV RMS equivalent input noise with a 2.2kΩ source impedance. Data sheet: https://www.siliconchip.com.au/Datasheets/NJR%20NJM5532DD.pdf Cat No SC7694. Price: AUD $5.00 1 Log in to purchase In stock: yes (237 available). Estimated dispatch time: 1-3 days Related to: Feature: Is this the end of the NE5532? (August 2026 [print issue] [online issue]) Other items relevant to this project: NJM5532D low-noise, low-distortion dual op amp ($3.50) NE5534P ultra-low-noise, low-distortion single op amp ($4.00)