• INA118U/2K5 SOIC (D)-8
INA118U/2K5 SOIC (D)-8

INA118U/2K5

INA118U/2K5 SP Amp with a voltage supply of ±18V for high precision measurements

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  • Part Number : INA118U/2K5

  • Package/Case : SOIC (D)-8

  • Brands : TI

  • Components Categories : Instrumentation amplifiers

  • Datesheet : INA118U/2K5 DataSheet (PDF)

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Overview of INA118U/2K5

The INA118U/2K5 is a precision instrumentation amplifier with a gain set resistor for temperature control applications.This device offers high accuracy and stability,making it ideal for precise measurement and control in temperature-sensitive systems.

Pinout

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

  • RG:Gain Set Resistor Pin
  • OUT:Output Pin
  • V+:Positive Power Supply
  • V-:Negative Power Supply
  • REF-:Reference Negative
  • REF+:Reference Positive
  • IN-:Inverting Input
  • IN+:Non-Inverting Input
  • VS-:Shield Pin


Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the INA118U/2K5 for better understanding of its functionality.

Key Features

  • Precision Instrumentation Amplifier:The INA118U/2K5 is designed as a precision instrumentation amplifier for accurate signal processing in temperature control applications.
  • Temperature Stability:This device offers high temperature stability,ensuring reliable performance in temperature-sensitive environments.
  • High Gain Accuracy:With the gain set resistor configuration,the INA118U/2K5 provides high gain accuracy for precise signal amplification.
  • Low Noise:Featuring low noise characteristics,this amplifier delivers clean and clear amplified signals for accurate measurements.
  • Wide Power Supply Range:Operates within a wide voltage supply range,allowing flexibility in powering the device.
  • High Common-Mode Rejection Ratio:Provides excellent rejection of common-mode signals,enhancing the amplifier's performance in noisy environments.

Note:For detailed technical specifications,please refer to the INA118U/2K5 datasheet.

Application

  • Temperature Control Systems:Suitable for temperature control applications where precision measurement and stability are crucial.
  • Industrial Automation:Used in industrial automation systems for monitoring and controlling temperature-sensitive processes.
  • Medical Equipment:Applicable in medical devices and equipment requiring accurate temperature sensing and control.

Functionality

The INA118U/2K5 is a precision instrumentation amplifier designed for temperature control applications.It offers high accuracy and stability,ensuring precise temperature measurement and control in various systems.

Usage Guide

  • Power Supply:Connect V+ and V- (Pins 3 and 4) to the positive and negative power supplies,respectively.
  • Input Connections:Connect the input signals to the IN+ (Pin 8) and IN- (Pin 7) pins for amplification.
  • Output Signal:Obtain the amplified signal from the OUT (Pin 2) pin for further processing or measurement.

Frequently Asked Questions

Q:What is the gain range of the INA118U/2K5?
A:The gain of the INA118U/2K5 can be adjusted using the gain set resistor to achieve different amplification levels.

Q:Can the INA118U/2K5 operate at high temperatures?
A:Yes,the INA118U/2K5 is designed for temperature control applications and can operate reliably at elevated temperatures.

Equivalent

For similar functionalities,consider these alternatives to the INA118U/2K5:

  • AD8221:An instrumentation amplifier from Analog Devices known for its high precision and performance in temperature-sensitive applications.
  • INA333:A low-power precision instrumentation amplifier from Texas Instruments suitable for portable and battery-powered temperature control devices.

INA118U/2K5

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) 2.7 Input offset (±) (max) (µV) 50
Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 10000
Noise at 1 kHz (typ) (nV√Hz) 10 Features Overvoltage protection
CMRR (min) (dB) 110 Input offset drift (±) (max) (V/°C) 0.0000005
Input bias current (±) (max) (nA) 5 Iq (typ) (mA) 0.35
Bandwidth at min gain (typ) (MHz) 0.8 Gain error (±) (max) (%) 0.5
Operating temperature range (°C) -40 to 85 Rating Catalog
Type Resistor Gain nonlinearity (±) (max) (%) 0.002
Output swing headroom (to negative supply) (typ) (V) 0.2 Output swing headroom (to positive supply) (typ) (V) -0.8
Input common mode headroom (to negative supply) (typ) (V) 0.95 Input common mode headroom (to positive supply) (typ) (V) -0.65
Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 0.28

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