1B31: Wide Bandwidth Strain Gage Signal Conditioner

The 1B31 is a high performance strain gage signal-conditioning component that offers the industry's best price/performance solution for applications involving high-accuracy interface to strain gage transducers and load cells. Packaged in a 28-pin double DIP using hybrid technology, the 1B31 is a compact and highly reliable product. Functionally, the signal conditioner consists of three sections; a precision instrumentation amplifier, a two-pole low pass filter, and an adjustable transducer excitation.

Applications

Measurement of: Strain, Torque, Force, Pressure
Instrumentation: Indicators, Recorders, Controllers
Data Acquisition Systems
Microcomputer Analog I/O

1B31 特点

Low Cost
Complete Signal-Conditioning Solution
Small Package: 28-Pin Double DIP
Internal Half-Bridge Completion Resistors
Remote Sensing
Programmable Bridge Excitation: +4V to +15 V
High Accuracy
Low Drift: ±0.25uV/°C
Low Noise: 0.3uV p-p
Low Nonlinearity: ±0.005% max
High CMR: 140dB min
(60Hz, G=1000V/V)
Adjustable Low Pass Filter: fc=10Hz to 20kHz

1B31 功能框图

1B31 芯片订购指南

产品型号	产品状态	封装	引脚	温度范围
1B31AN	量产	PLASTIC DIP	28	商业