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INA849DGKR

INST Amp Single ±18V/36V 8-Pin VSSOP T/R

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Overview of INA849DGKR

The INA849DGKR is a precision instrumentation amplifier with a high common-mode rejection ratio (CMRR) and low offset voltage. It is designed for accurate signal amplification in precision measurement applications where high precision and low noise are required.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • OUT: Output
  • -IN: Inverting Input
  • +IN: Non-Inverting Input
  • V+: Positive Power Supply
  • V-: Negative Power Supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the INA849DGKR IC for a visual representation.

Key Features

  • Precision Instrumentation Amplifier: Provides high precision signal amplification for accurate measurements.
  • High CMRR: Features a high common-mode rejection ratio for rejecting common-mode noise in the input signals.
  • Low Offset Voltage: Ensures minimal offset error for precise measurement applications.
  • Wide Supply Voltage Range: Operates from a wide supply voltage range, providing flexibility in power supply selection.
  • Low Noise: Offers low noise amplification for clean and accurate signal processing.

Note: For detailed technical specifications, please refer to the INA849DGKR datasheet.

Application

  • Precision Measurement Systems: Ideal for use in precision measurement systems requiring accurate signal amplification.
  • Data Acquisition Systems: Suitable for data acquisition systems where low noise and high precision are critical.
  • Sensor Signal Conditioning: Used for conditioning sensor signals in applications such as strain gauges or pressure sensors.

Functionality

The INA849DGKR is a precision instrumentation amplifier that amplifies small differential signals with high precision and low noise. It is designed to provide accurate signal amplification for critical measurement applications.

Usage Guide

  • Power Supply: Connect V+ (Pin 4) to the positive power supply and V- (Pin 5) to the negative power supply.
  • Input Connections: Connect the input signals to the +IN (Pin 3) and -IN (Pin 2) pins for amplification.
  • Output: The amplified signal can be obtained from the OUT (Pin 1) pin.

Frequently Asked Questions

Q: What is the CMRR of the INA849DGKR?
A: The INA849DGKR boasts a high common-mode rejection ratio (CMRR) to minimize common-mode noise interference.

Q: Is the INA849DGKR suitable for low noise applications?
A: Yes, the INA849DGKR offers low noise amplification, making it ideal for applications requiring clean and accurate signals.

Equivalent

For similar functionalities, consider these alternatives to the INA849DGKR:

  • INA821: A precision instrumentation amplifier with similar high precision and low noise characteristics.
  • INA826: This instrumentation amplifier offers high CMRR and low offset voltage for accurate signal amplification.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels 1 Vs (max) (V) 36
Vs (min) (V) 8 Input offset (±) (max) (µV) 35
Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 10000
Noise at 1 kHz (typ) (nV√Hz) 1 Features Current Feedback, High speed, Super-beta, Ultra-low noise
CMRR (min) (dB) 120 Input offset drift (±) (max) (V/°C) 0.0000004
Input bias current (±) (max) (nA) 20 Iq (typ) (mA) 6.2
Bandwidth at min gain (typ) (MHz) 28 Gain error (±) (max) (%) 0.1
Operating temperature range (°C) -40 to 125 Rating Catalog
Type Resistor Gain nonlinearity (±) (max) (%) 0.001
Output swing headroom (to negative supply) (typ) (V) 0.15 Output swing headroom (to positive supply) (typ) (V) -0.15
Input common mode headroom (to negative supply) (typ) (V) 2.5 Input common mode headroom (to positive supply) (typ) (V) -2.5
Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 0.06

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Warranty, Returns, and Additional Information

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