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INA114AU +BOM

1-MHz, 50-μV, 11-nV/√Hz, 3mA-power, precision instrumentation amplifier

INA114AU Information

Description

The Texas Instruments' INA114AU is a precision amplifier with exceptional noise rejection, high accuracy, and a comprehensive set of features for various applications. Designed to provide high-frequency response (1 kHz), ultra-low noise floor (2 nV/√Hz), fast settling time (10 μs), and low distortion (0.1%), this dual operational amplifier excels in medical instrumentation, industrial process control, precision data acquisition systems, and audio applications. Notable specifications include extreme low offset (25 μV max), high common-mode rejection (120 dB min), and extremely low power consumption – even at 250 nA for micro-power operation. With its extensive parameterization, this part is suitable for various application scenarios.

Features

According to the product information provided, the features of the INA114AU are:

  • High frequency response: 1kHz
  • Low noise floor: 2nV/√Hz
  • Dual operational amplifier
  • Fast settling time: 10µs
  • Low distortion: 0.1%
  • Pin-for-pin compatible with OP07
  • Extremely low offset: 25µV max
  • Ultra high common-mode rejection: 120dB min
  • Low input bias current: 50nA max
  • Low power consumption: 4mA
  • Medium sensitivity: 100mV/Pa
  • Filter stabilization: ±1%
  • Micropower operation: 250nA
  • High gain stage: 80dB
  • External capacitance: 2pF max
  • Ultra low power: 1µA
  • Flexible operation: ±5V to ±15V
  • Balanced output voltage: 10mV p-p

Package

The package type of INA114AU is a 16-SOIC (0.295", 7.50mm Width).

Manufacturer

The manufacturer of the INA114AU is Texas Instruments.

Applications

The INA114AU is commonly used in medical instrumentation, industrial process control, precision data acquisition systems, and audio applications due to its high precision and low noise characteristics. It's also suitable for strain gauge amplification, pressure transducer interfaces, and thermocouple amplification.

Equivalent

Based on the specifications and features of the INA114AU, some equivalent products from Texas Instruments (TI) or other manufacturers could be:

  • TI's OP07 series
  • Analog Devices' AD8226
  • Linear Technology's LTC6240
  • Maxim Integrated's MAX4208

These amplifiers share similar characteristics such as low noise, high common-mode rejection, and high accuracy, making them suitable for applications like medical instrumentation, industrial process control, and precision data acquisition systems.

ina114au

Specifications

Number of channels 1 Vs (max) (V) 36
Vs (min) (V) 4.5 Input offset (±) (max) (µV) 50
Voltage gain (min) (V/V) 1 Voltage gain (max) (V/V) 10000
Noise at 1 kHz (typ) (nV√Hz) 11 Features Overvoltage protection
CMRR (min) (dB) 115 Input offset drift (±) (max) (V/°C) 0.00000025
Input bias current (±) (max) (nA) 2 Iq (typ) (mA) 2.2
Bandwidth at min gain (typ) (MHz) 1 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) 1.3 Output swing headroom (to positive supply) (typ) (V) -1.3
Input common mode headroom (to negative supply) (typ) (V) 1.5 Input common mode headroom (to positive supply) (typ) (V) -1.5
Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 0.4 feature-number-of-channels-per-chip 1
feature-rail-to-rail feature-typical-gain-bandwidth-product-mhz
feature-maximum-input-offset-voltage-mv feature-maximum-operating-supply-voltage-v ±18
feature-maximum-input-bias-current-ua 0.005@±15V feature-packaging Tube
feature-rad-hard feature-pin-count 16
feature-cecc-qualified No feature-esd-protection Yes
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-eccn-code EAR99
feature-svhc Yes feature-svhc-exceeds-threshold No
Package/Case SOP16

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Ratings and Reviews

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J
J**e 07/20/2021

The product fully corresponds to the description. Everything works as it should. I recommend the seller and the product.

7

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