INA139

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INA139

  • Fabricant
  • Mfr. Partie #INA139
  • Paquet
  • Fiche de données
  • En stock9584

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Spécifications

Brand Texas Instruments

Vue d'ensemble

Description

The INA139 is a precision instrumentation amplifier designed for low-voltage, low-power applications. It features a high common-mode rejection ratio (CMRR) and low offset voltage, making it ideal for amplifying low-level signals in noisy environments. The device operates with a single supply voltage ranging from 2.7V to 36V, allowing flexibility in various applications.
Key specifications include a gain range set by external resistors, high input impedance, and low output distortion. The INA139 is commonly used in applications such as medical instrumentation, strain gauge amplifiers, and sensor signal conditioning. Its robust design ensures accurate signal amplification, making it suitable for use in precision measurement systems.
Overall, the INA139 is a reliable choice for engineers needing an efficient and accurate amplifier for their low-voltage signal processing tasks.

Features

The INA139 is a precision instrumentation amplifier designed for low-power applications. Key features include:
1. High Precision: Offers low offset voltage and low offset drift, ensuring accurate measurements.
2. Low Noise: Designed for low noise operation, making it suitable for sensitive applications.
3. Gain Configuration: Adjustable gain from 1 to 1000 using external resistors, allowing flexibility for various applications.
4. Wide Supply Range: Operates on a dual supply (±2V to ±18V) or single supply (2V to 36V), enhancing versatility.
5. High Common-Mode Rejection Ratio (CMRR): Excellent CMRR minimizes the effect of common-mode signals, crucial for accurate differential measurements.
6. Low Power Consumption: Consumes minimal power, ideal for battery-operated devices.
7. Rail-to-Rail Output: Provides output voltage swing that extends to the supply rails, maximizing dynamic range.
These features make the INA139 suitable for applications in medical instrumentation, data acquisition systems, and sensor signal conditioning.

Package

The INA139 is available in a SOP-8 (Small Outline Package) configuration. It is designed for surface mounting and provides a compact solution for applications requiring precision instrumentation.

Pinout

The INA139 is a precision instrumentation amplifier featuring a gain set by external resistors. It has a total of 8 pins, each with specific functions:
1. Pin 1 (V+): Positive power supply.
2. Pin 2 (V-): Negative power supply.
3. Pin 3 (R1): Gain setting resistor for the first stage.
4. Pin 4 (R2): Gain setting resistor for the second stage.
5. Pin 5 (In+): Non-inverting input.
6. Pin 6 (In-): Inverting input.
7. Pin 7 (Out): Output signal.
8. Pin 8 (Ref): Reference voltage for the output.
The INA139 is designed for high precision, low offset voltage, and low noise, making it suitable for various applications, including sensor interfacing and data acquisition systems.

Manufacturer

The INA139 is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide range of analog and embedded processing chips. Founded in 1930, the company is known for its innovation in various fields, including signal processing, power management, and microcontrollers. TI serves a diverse array of industries, such as automotive, industrial, communications, and consumer electronics, providing solutions that enhance performance and efficiency in electronic devices. The INA139 is a precision current shunt monitor, widely used in applications requiring accurate current measurement.

Application

The INA139 is a high-precision, low-drift instrumentation amplifier commonly used in applications such as sensor signal conditioning, medical instrumentation (e.g., ECG, EEG), industrial process control, and data acquisition systems. Its ability to amplify small differential signals in the presence of large common-mode voltages makes it suitable for measuring temperature, pressure, and strain, among other physical quantities.

Equivalent

Equivalent products to the INA139 operational amplifier include the INA128, INA826, and INA190. These amplifiers offer similar performance characteristics and are suitable for applications requiring precision instrumentation and low power consumption. Always check specific datasheets for detailed specifications to ensure compatibility with your application.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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