Signal Conditioning

DFA-100 Dual Channel Difference Amp

The Model DFA-100 Dual Channel Difference Amplifier is intended for differential to single-ended signal buffering and conversion for data acquisition systems in general purpose signal processing and measurement applications. The DFA-100 is suited for industrial control, PLC interface and automotive test and development applications.

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The DFA-100 is a general purpose two channel difference amplifier for differential to single ended signal conversion for industrial control applications.

Application	Input
difference amp	-5V to +5V
ground-loop elimination	DC to 100kHz
current measurement
sensor interfacing
low-level signal amplifier

Output	Output
-5V to +5V	greater than +/- 100V common mode differential inputs
	gain = 1 (call for other gains)

applications
- general purpose differential signal amplifier / buffer – differential to single-ended conversion
- industrial controls, process instrumentation, automotive test
- ground loop elimination
- current sense amplifier for solenoids, motors, actuators
converts two-wire analog inputs to single ended output for A/D converter / data acquisition systems
two independent channels: -5V DC to +5V DC input to -5V DC to +5V DC output
- amplifier also available with gain to x100, contact APM, Inc. with requirements
provides over +/- 100V common mode rejection
5V DC powered, low power consumption (< 5mA)
eliminates common ground / ground loop issues in control systems and industrial applications
economical alternative to commercially available isolation amplifiers (under $150 vs. up to $1000)
screw down terminals for easy connection to analog signals
small form factor, 3.625in. x 2.25in. x 1.375in., DIN rail mountable
also designed for use with APM, Inc. PWM Controllers – all Model 20X and 201-XX versions
- use with the PWM Controller operated in the Analog Input Mode
warranty: guaranteed for 1 year for manufacturer defects
Order No.: DFA-100 or DFA-100-DIN

Signal Conditioning

DFA-100 Dual Channel Difference Amp

Product Customizations