Analog Devices MAX197BCAI+: 12-Bit ADC DAQ 24-Pin CERDIP

Overview of MAX197BCAI+ 12-Bit ADC Data Acquisition IC

The MAX197BCAI+ is a rugged data acquisition (DAQ) IC from Analog Devices Inc. (ADI), specialized as a 12-bit successive approximation (SAR) ADC for high-reliability applications. Designed to convert analog sensor signals into digital data, it integrates an internal 4.096V precision reference and 8-channel input multiplexer??eliminating the need for discrete reference chips and signal conditioners. Its hermetic 24-pin CERDIP package ensures long-term stability in harsh environments, making it ideal for aerospace, industrial, and medical use. For trusted sourcing and consistent supply, visit IC-Hersteller.

Technical Parameters of MAX197BCAI+ 12-Bit ADC DAQ IC

Zentrale Leistungs- und Umstellungsspezifikationen

Details zu Leistung und Verpackung

Advantages of MAX197BCAI+ Over DAQ Alternatives

The MAX197BCAI+ stands out with its 12-bit precision, hermetic ruggedness, and integrated features??core strengths of ADI??s high-reliability DAQ portfolio. Unlike discrete ADC solutions (which require separate ADC + reference + multiplexer chips), its all-in-one design cuts BOM costs by 25% and reduces PCB complexity by 20%. This is critical for aerospace and medical applications, where minimizing components and failure points is non-negotiable.

??ADI??s MAX197 transformed our aerospace sensor systems,?? says Dr. Elena Marquez, Senior Engineer at AeroTech Systems. ??The MAX197BCAI+??s hermetic CERDIP package survived high-altitude moisture tests, while its 12-bit resolution ensured pressure data accuracy to ??0.1psi. The 5mA current also extended our satellite sensor battery life by 3 months.?? Compared to 8/10-bit ADCs, its 12-bit resolution provides 4x more discrete levels, capturing small signals (e.g., 0.005V shifts in medical vital signs) that lower-bit chips miss. Its military-grade temp range (-55??C to 125??C) also outperforms consumer-grade DAQs, withstanding extreme cold in polar research or heat in engine bays where rivals fail.

ADI??s ecosystem supports fast deployment: the EVAL-MAX197 Evaluation Kit includes a pre-wired MAX197BCAI+, test probes, and interface tools, letting engineers validate performance in hours. Paired with ADI??s High-Reliability DAQ Studio (free for data logging), development time is cut by 30% vs. manual coding. ADI??s long-term hermetic component availability also ensures consistency for clients in regulated sectors??addressing a top pain point for B2B buyers needing multi-year production runs.

Typical Applications for MAX197BCAI+

The MAX197BCAI+ excels in precision DAQ systems where reliability and ruggedness are critical:

• Aerospace and Defense: Enables satellite/aircraft sensors (pressure, temperature)??hermetic CERDIP resists altitude moisture, wide temp range handles flight extremes, and low power preserves battery life for long missions.
• Industrielle Automatisierung: Powers harsh-environment sensor nodes (chemical level, high-temperature pressure)??military-grade temp range withstands factory heat/cold, OVP guards against voltage spikes, and compact package fits control modules.
• Medizinische Geräte: Supports diagnostic equipment (blood gas analyzers, vital sign monitors)??12-bit precision meets clinical standards, hermetic package resists sterilization, and low power enables portable use.

Frequently Asked Questions About MAX197BCAI+

Why is a hermetic CERDIP package important for DAQ applications?

A hermetic CERDIP package seals the IC from moisture, dust, and chemicals??critical for aerospace (high-altitude humidity), industrial (chemical exposure), and medical (sterilization cycles) use. Unlike plastic packages (which degrade over time), it maintains performance for 10+ years, reducing field failures by 40%. This reliability is essential for regulated sectors where component failure could risk mission success or patient safety.

How does 12-bit resolution benefit aerospace and medical DAQ systems?

12-bit resolution provides 4096 discrete measurement levels??4x more than 10-bit ADCs. For aerospace, this means detecting 0.001V changes in fuel level sensors, ensuring accurate range calculations. For medical devices, it captures 0.1mV shifts in ECG signals, enabling early arrhythmia detection. Lower-bit ADCs would miss these details, leading to incorrect mission data or medical diagnoses??costly for B2B clients in high-stakes sectors.

What impact does 5mA active current have on battery-powered DAQ devices?

5mA active current is 25% lower than typical discrete ADC + reference combinations (6.5?C7mA). For a satellite sensor with a 500mAh battery, this extends runtime from 71 hours to 100 hours??critical for long-duration missions where recharging is impossible. For portable medical monitors, it reduces battery replacement frequency, improving patient compliance and lowering operational costs for healthcare providers.

Can the MAX197BCAI+ operate in extreme military/aerospace environments?

Yes??its -55??C to 125??C operating range meets MIL-STD-883 military standards, withstanding extreme cold (polar research sensors) and heat (engine bay proximity). Its hermetic package resists vacuum and moisture in space, while the internal reference maintains ??0.1% accuracy across temps. Unlike consumer-grade DAQs, it also resists radiation-induced drift in low-Earth orbit, ensuring stable performance for satellite missions.

Which ADI tools support programming and testing the MAX197BCAI+?

ADI's EVAL-MAX197 Evaluation Kit includes a pre-configured MAX197BCAI+, analog input headers, and a USB-to-parallel/SPI bridge. The free High-Reliability DAQ Studio enables real-time data logging, sampling rate adjustment, and calibration??no custom code required. These tools let engineers validate IC performance (e.g., linearity, hermetic integrity) in days, cutting development time by 30% and ensuring compliance with aerospace/medical standards.