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INA126EA/2K5

Name: INA126EA/2K5
Rating: 4.7 (12 reviews)

IC INST AMP 1 CIRCUIT 8VSSOP

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Mfr。パート #INA126EA/2K5
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データシート INA126EA/2K5 DataSheet
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仕様

Part Status	Active
Amplifier Type	Instrumentation
Number of Circuits	1
Slew Rate	0.4V/µs
-3db Bandwidth	200 kHz
Current - Input Bias	10 nA
Voltage - Input Offset	150 µV
Current - Supply	175µA
Current - Output / Channel	10 mA
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	36 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package	8-VSSOP
Base Product Number	INA126

概要

Description

The INA126EA/2K5 is a precision instrumentation amplifier designed for low-power applications. It features high input impedance, low offset voltage, and low noise, making it ideal for amplifying small differential signals in the presence of large common-mode voltages. The INA126 is particularly suited for applications such as sensor signal conditioning, medical instrumentation, and industrial process control.
Key specifications include a gain range from 1 to 1000, with a typical gain accuracy of ±0.5%, and a low input bias current, ensuring minimal impact on the measured signal. The device operates from a single or dual power supply, typically ranging from ±2V to ±18V, and has a wide common-mode voltage range, enhancing its versatility.
The INA126 is packaged in a small form factor, making it suitable for space-constrained designs. Its combination of precision, low power consumption, and ease of use makes the INA126EA/2K5 a reliable choice for various measurement and control applications.

Features

The INA126EA/2K5 is a precision instrumentation amplifier from Texas Instruments. Key features include:
1. Low Input Offset Voltage: Typically around 100 µV, enhancing measurement accuracy.
2. High Common-Mode Rejection Ratio (CMRR): Offers typical CMRR of 120 dB, ensuring performance in noisy environments.
3. Wide Supply Voltage Range: Operates from ±2.5 V to ±18 V, providing flexibility in power supply options.
4. High Input Impedance: Approximately 10^12 Ω, minimizing loading effects on sensors.
5. Gain Configurability: Programmable gain from 1 to 1000 via external resistors, allowing for versatile applications.
6. Low Noise: Input voltage noise is typically around 40 nV/√Hz at 1 kHz, suitable for low-level signal amplification.
7. Temperature Range: Designed for industrial applications with an operating temperature range of -40°C to +85°C.
These features make the INA126EA/2K5 ideal for applications in medical instrumentation, industrial process control, and data acquisition systems.

Package

The INA126EA/2K5 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for compact applications, featuring a narrow body and is commonly used in various electronic circuits for instrumentation and signal conditioning.

Pinout

The INA126EA/2K5 is a precision instrumentation amplifier with a total of 8 pins.
Pin Configuration:
1. (1) V-: Negative supply voltage.
2. (2) +IN: Non-inverting input.
3. (3) -IN: Inverting input.
4. (4) RG: Gain resistor connection.
5. (5) V+: Positive supply voltage.
6. (6) Output: Amplified output voltage.
7. (7) NC: No connect (not internally connected).
8. (8) NC: No connect (not internally connected).
Functionality:
The INA126EA/2K5 is designed for low-power, precision signal amplification, ideal for sensor applications. It features low offset voltage, low noise, and high common-mode rejection ratio (CMRR). The gain can be set using an external resistor connected to the RG pin, allowing for flexible configuration based on the application requirements.

Manufacturer

The INA126EA/2K5 is manufactured by Texas Instruments (TI), a multinational semiconductor company based in the United States. Texas Instruments is known for its development and production of a wide range of electronic components, including analog chips, embedded processors, and digital signal processors (DSPs). Established in 1930, the company has a strong presence in various markets, including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovation in analog and mixed-signal technology, and it serves customers globally, providing solutions that enhance performance and efficiency in electronic designs.

Application

The INA126EA/2K5 is a low-power instrumentation amplifier used in various applications such as medical instrumentation (e.g., ECG, EEG), data acquisition systems, industrial process controls, and sensor signal conditioning (e.g., strain gauges and thermocouples). Its high common-mode rejection ratio and low offset voltage make it ideal for accurate, low-level signal amplification in noisy environments.

Equivalent

Equivalent products to the INA126EA/2K5 include the INA128, INA129, and AD623 operational amplifiers, which also provide instrumentation amplification. Additionally, the LTC2053 and OPA2134 could serve as substitutes depending on the specific application requirements. Always verify specifications for voltage range and accuracy before substitution.