RTA-500 Pre-Amplifier, RRIO, Single Supply, Adjustable-Gain

RTA-500 Module

Adjustable-Gain AC Coupled Inverting Amplifier Module

RTA-500-0 TOP View
RTA-500-0 BOTTOM View

Product Description

The RTA-500 module is a general-purpose inverting amplifier with the AC coupled input and adjustable gain. The device is designed to be part of the analog front-end for the popular analog-digital converters embedded in the microcontrollers. A wide input signal voltage range allows for conditioning bipolar signals before the ADC powered from the 3.3V or 5V voltage source.

The module can be used:

  • in ultrasonic or IR transducers applications,
  • in voltage and capacity measurement,
  • in strain gauge or piezoelectric sensors,
  • as analog and digital signals amplifier.

Product Parameters:

  • Single supply: VS=<2.7V,5.5V>
  • Input signal voltage: VIN=<-20V,20V>
  • Output signal voltage: VOUT=<GND,VS>
  • Adjustable voltage gain: KU=<0.25V/V,12V/V>
  • Pass bandwidth from 1Hz. F3dB min.=1Hz, F3dB max.=<70kHz,200kHz>
  • Dimensions: 19.24x12.95 mm
  • Vibration resistant

Frequency Characteristic

The RTA-500 frequency characteristics depends on the gain.

RTA-500: Frequency characteristics

Typical Application

The RTA-500 single supply application requires only the supply voltage and the ADC reference voltage. If the reference voltage is not available the VRef input can be tied to the supply voltage.

The maximum signal values are described in the RTA-500 module datasheet.

Amplifier Circuit

RTA-500 Amplifier Circuit Diagram
RTA-500 Adjustable-Gain AC Coupled Inverting Amplifier Module Circuit Diagram

Drawing

RTA-500 Rysunek CAD
RTA-500 Drawing

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Keywords

OP-AMP DESIGN,
OPERATIONAL AMPLIFIER,
ADJUSTABLE GAIN,
POTENTIOMETER,
SINGLE SUPPLY,
RAIL TO RAIL,
GAIN CONTROL,
NEGATIVE VOLTAGE FEEDBACK,
UNITY GAIN,
INVERTING AMPLIFIER,
MINI MODULE,
BIPOLAR INPUT,
MODEL, SCHEMATICS,
PROJECT, CIRCUIT, PCB,
TRANSIENT RESPONSE CHARACTERISTIC,
FREQUENCY RESPONSE CHARACTERISTIC,
REFERENCE VOLTAGE, VREF,
HIGH PASS FILTER,
PREAMPLIFIER

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