Mx7545uq 883b

The phrase MX7545UQ/883B refers to a high-reliability, military-grade 12-bit digital-to-analog converter (DAC) originally manufactured by Maxim Integrated (now part of Analog Devices). Below is a synthesis of the product specifications and current market insights.

Product Analysis: MX7545UQ/883B

This component is a specialized version of the CMOS 12-bit buffered multiplying DAC, designed for extreme environments. AnalogDigikey

* Military Certification: The 883B suffix signifies compliance with MIL-STD-883 Class B, involving rigorous screening including 1000-hour burn-in tests at +125°C and moisture resistance. Analog

* Key Technical Specs:

* Resolution: 12-Bit with guaranteed monotonicity.

* Package: 20-pin CERDIP (Ceramic Dual In-line Package), which provides superior thermal management and hermetic sealing compared to plastic. Alibaba

* Performance: 2 µs settling time and low power consumption (under 1W). Analog

* Application: Primarily used in defense, aerospace, and high-reliability industrial instrumentation for data acquisition and gain control. Lisleapex

Market Trends & Insights (2025–2026)

The market for this specific part is characterized by its Obsolete (End of Life) status. AnalogDigikey

* Lifecycle Reality: Analog Devices has discontinued new production. As of 2026, the primary market is the secondary/broker market, where "New Old Stock" (NOS) is traded. Analog

* Supply Chain Risk: Because these are military parts, sourcing from non-authorized distributors carries a high risk of counterfeits. Verified B2B suppliers typically provide Certificates of Conformance (CoC) to guarantee authenticity. ZouserAlibaba

* Pricing Trends: Due to zero new supply, prices for certified MX7545UQ/883B units have become volatile and significantly higher than original MSRP, often requiring a formal Request for Quote (RFQ) based on remaining shelf stock. Zouser

* Transition Strategy: Design-ins are shifting toward the AD7545 or modern surface-mount alternatives like the AD5445, though these often require board redesigns to accommodate different footprints and logic levels. Analog

Procurement Guidance

Since new units are no longer manufactured, businesses looking for this part should focus on verified independent distributors with military-spec expertise. Alibaba