Analog Devices Inc. 5B30-06-MB

Overview

5B30-06-MB from Analog Devices is a single-channel isolated voltage input signal conditioner that amplifies, filters, protects, and isolates millivolt-level analog signals. It accepts ±100 mV input range, delivers 0 V to +5 V output, provides 1500 V_rms continuous isolation, and features chopper-stabilized amplification with ±1 µV/°C input offset drift - used in industrial temperature monitoring systems interfacing thermocouples or strain gauges.

For engineers reviewing the 5B30-06-MB datasheet, 5B30-06-MB pinout, 5B30-06-MB application, or 5B30-06-MB equivalent, key selection criteria include input protection rating (240 V_rms), common-mode rejection (160 dB at 50/60 Hz), output enable control logic thresholds, hot-swap compatibility with 5B-series backplanes, and CSA/FM Class 1 Division 2 hazardous location certification.

Technical Context

The 5B30-06-MB employs transformer-coupled isolation with proprietary modulation for linear signal transfer and includes a chopper-stabilized input amplifier delivering ±1 µV/°C input offset drift and ±25 ppm/°C gain stability. Its differential floating input eliminates need for field-side grounding.

Internal multi-pole low-pass filtering sets -3 dB bandwidth at 4 Hz, enabling high noise rejection in 50/60 Hz environments. The series output switch is controlled by an active-low enable input with logic "0" ≤ +1 V and logic "1" ≥ +2.5 V, supporting multiplexing-free system integration.

Key Specifications

Pinout & Package

5B30-06-MB uses a standardized 4-pin screw-terminal interface in a potted module measuring 2.275" × 2.375" × 0.595" (57.8 mm × 59.1 mm × 15.1 mm), compatible with all 5B-series backplanes and mounting sockets.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar isolated voltage input conditioning applications.

Compared with 5B30-06 and 5B31-06, the 5B30-06-MB uniquely combines ±100 mV input range, factory-zeroed offset suppression, ±1 µV/°C drift, and CSA/FM hazardous location approval - making it the only option qualified for precision millivolt conditioning in certified hazardous areas.

Availability

5B30-06-MB is available at Aetrix Electronics and suitable for industrial temperature monitoring, hazardous location data acquisition, and PLC analog interface applications requiring stable component supply, long-term lifecycle support, and certified safety compliance.

Supply support for 5B30-06-MB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices is a global semiconductor leader specializing in high-performance analog, mixed-signal, and digital signal processing technologies for industrial, automotive, and communications markets.

The 5B Series was designed specifically for rugged industrial signal conditioning - delivering transformer isolation, millivolt sensitivity, and hazardous-area certifications in a standardized, hot-swappable module format.

FAQ

What is the input voltage range supported by the 5B30-06-MB?

The 5B30-06-MB supports an input range of ±100 mV with factory-set zero suppression, enabling precise expanded-scale measurements of low-level signals such as thermocouple outputs or strain gauge bridges. This range is fixed and cannot be reconfigured in-circuit; custom ranges require ordering a 5B30-Custom variant. The ±100 mV specification applies exclusively to the 5B30-06-MB model and is verified per Analog Devices Rev. 0 datasheet page 3.

Does the 5B30-06-MB provide galvanic isolation, and what is its rating?

Yes, the 5B30-06-MB provides transformer-based galvanic isolation rated at 1500 V_rms continuous input-to-output. This isolation barrier meets ANSI/IEEE C37.90.1-1989 transient standards and is certified by Factory Mutual (FM) and CSA for Class 1 Division 2 hazardous locations. The 1500 V_rms rating ensures protection against ground loops and field-side overvoltage faults up to 240 V_rms applied continuously at the input terminals.

How does the 5B30-06-MB handle common-mode noise in industrial environments?

The 5B30-06-MB achieves 160 dB common-mode rejection at 50/60 Hz with a 1 kΩ source imbalance, enabled by its fully floating differential input and multi-pole filtering. Its chopper-stabilized amplifier and transformer isolation eliminate ground-reference dependencies, allowing reliable operation in electrically noisy settings like motor control cabinets or refinery instrumentation panels - all confirmed in the 5B30/5B31 Rev. 0 datasheet section "Common-Mode Rejection (CMR)".

Can the 5B30-06-MB be hot-swapped in a live 5B-series backplane?

Yes, the 5B30-06-MB is fully hot-swappable in any 5B-series backplane, including those with power applied. Its design allows insertion or removal without disturbing field wiring, system power, or adjacent modules. This capability is guaranteed by identical mechanical footprint, pin-out, and electrical behavior across all 5B30/5B31 modules - explicitly stated in the "PRODUCT OVERVIEW" and "GENERAL DESCRIPTION" sections of the Rev. 0 datasheet.

What safety certifications apply to the 5B30-06-MB?

The 5B30-06-MB carries Factory Mutual (FM) and Canadian Standards Association (CSA) approvals for Class 1, Division 2, Groups A, B, C, and D hazardous locations. These certifications confirm its non-incendive classification - meaning it is safe for use where flammable gases may exist only under fault conditions. Certification documentation is included in the official Analog Devices 5B30/5B31 Rev. 0 datasheet, pages 1 and 5.