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5B45:  Isolated Frequency Input 0 to 10 kHz Input Signal Conditioning Module

Product Details

Models 5B45 and 5B46 are precision isolated 500 Hz to 250 kHz frequency-to-voltage converters that feature excellent high accuracy of ±0.1% max. They accept virtually any TTL level or zero crossing input signal waveform (sine wave, square wave, pulse train or triangular). Both models offer 240 V rms input protection and 1,500 V rms input-to-output isolation in the industry standard 5B Series encapsulated plug-in modular package.


  • Accepts Frequency Input
  • Tachometer Applications
  • 500Hz to 25KHz Input (TTL or Zero Crossing)
  • 0-5V Output

Functional Block Diagram for 5B45


Title Content Type File Type
5B45/5B46: Isolated, Frequency Input Data Sheet  (Rev 0, 01/1999) (pdf, 697 kB) Data Sheets PDF
AN-529: 5B Series Signal Conditioning Subsystems in RFI/EMI Fields  (pdf, 24 kB) Application Notes PDF
AN-535: Digital Input/Output Subsystems  (pdf, 336 kB) Application Notes PDF
AN-533: Applying 5B Series Backplanes and Mounting Cards  (pdf, 145 kB) Application Notes PDF
AN-530: Narrow or Wide Bandwidth 5B Series Input Modules: Which is the Right Choice?  (pdf, 18 kB) Application Notes PDF
AN-528: Design Considerations for Designing a 5B Series System  (pdf, 16 kB) Application Notes PDF
5B Series Manual  (pdf, 2274 kB) User Guides PDF
Make vs. Buy! When Should I Reinvent the Wheel?
(Analog Dialogue, Vol. 33, No. 10, November-December, 1999)
Analog Dialogue HTML
5B Series Backplanes and Mounting Cards Backplanes HTML
5B Series Custom Configuration Ranges Configuration Guides HTML
5B Series Configuration Guide Configuration Guides HTML
IOS Custom Product Worksheet
As a Design Subcontractor, IOS believes it essential to engage with our customers early in the development cycle. Complete the form and it will be reviewed and you will be contacted by one of our design specialists.
Custom Product Worksheet HTML
5B Series Accessories Accessories HTML
5B Series Power Supplies Power Supplies HTML
Selecting the Right Signal Conditioning Series for Your Application Overview HTML
All Series Modules Overview HTML
IOS 3 Year Warranty  (pdf, 23 kB) Overview PDF
5B Series Overviews Overview HTML
IOS Short Form Brochure  (pdf, 2298 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
5B I/O Subsystem Software Tools
  • 5BCUSTOM.ZIP  (zip, 2111 kB)
    5B Custom Program for Windows 3.1. 5B Custom program assists users of 5B Series of signal conditioners in selecting Custom-Ranged 5B Modules. The program also lists general 5B information, ranges, application notes, etc... [D/L Time 22.5 min @ 14.4Kbps]. 2162562 01-22-96
    Steps on how to deal with noise with the 5B modules. 4096 10-27-93 (txt, 4,096 bytes)
    Windows Conversion Utility Program for common temperature sensing devices. Sensors (Ver 1.2) Dated: Feb 15, 1994. 351525 08-24-95 (zip, 351,525 bytes)
    Simple steps explaining Temperature Conversion for our Thermocouple Modules (3B, 5B, 7B). 1920 07-09-93 (txt, 2,136 bytes)
I/O Subsystem Software Tools HTML

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

5B45 Model Options
Model Package Pins Temp.
Price RoHS View PCN/ PDN Check Inventory/
5B45-01 Status: Production IOS MODULE 14 Comm. Tray, 1 - N  Material Info PCN Purchase
5B45-02 Status: Production IOS MODULE 14 Comm. Tray, 1 - N  Material Info PCN Purchase
5B45-03 Status: Production IOS MODULE 14 Comm. Tray, 1 - N  Material Info PCN Purchase
5B45-04 Status: Production IOS MODULE 14 Comm. Tray, 1 - N  Material Info PCN Purchase
5B45-05 Status: Production IOS MODULE 14 Comm. Tray, 1 - N  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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