Datasheet for the Analog Devices 3B20 signal-conditioning module for 4-arm AC bridge transducers, providing simultaneous voltage and current outputs.
The Analog Devices 3B20 is a wideband, single-channel signal-conditioning module designed to interface with 4-arm AC bridge transducer signals ranging from 1.5mV rms to 150mV rms. It provides simultaneous precision voltage and current outputs and includes an AC excitation voltage capability of 2V rms to 10V rms at frequencies between 1kHz and 10kHz. The module is part of the 3B Series Signal Conditioning I/O Subsystems, which are mix-and-match and hot-swappable for industrial signal conditioning, isolation, and filtering applications.
| Input Range | 1.5 mV rms to 150 mV rms |
|---|---|
| Excitation Voltage | 2 V rms to 10 V rms |
| Excitation Frequency | 1 kHz to 10 kHz |
| Voltage Output Range | -10 V to +10 V |
| Bandwidth | 100 Hz |
| Input Resistance | 100 MΩ |
| Input Protection | 130 V rms maximum |
| Temperature Range | -25°C to +85°C |
| Dimensions | 80.0 mm x 86.2 mm x 19.7 mm |
The module interfaces 4-arm AC bridge transducer signals ranging between 1.5mV rms and 150mV rms.
It provides an AC excitation voltage of 2V rms to 10V rms at frequencies between 1kHz and 10kHz.
Yes, all 3B20 series modules are mix-and-match and hot-swappable.