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INA137UA/2K5

Name: INA137UA/2K5
Rating: 4.7 (12 reviews)

AUDIO DIFFERENTIAL LINE RECEIVER

제조업체
Mfr.부분 #INA137UA/2K5
패키지
데이터시트 INA137UA/2K5 DataSheet
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사양

Part Status	Active
Type	Receiver
Applications	Audio
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Base Product Number	INA137

개요

Description

The INA137UA/2K5 is a precision, low-power instrumentation amplifier designed for accurate low-level signal amplification. It features a low offset voltage, high common-mode rejection ratio (CMRR), and a wide bandwidth, making it suitable for applications in medical instrumentation, sensor signal processing, and data acquisition systems.
Key specifications include a supply voltage range of ±2.5V to ±15V, a gain bandwidth product of around 1 MHz, and a low input bias current, ensuring minimal signal distortion. The device employs a unique architecture that allows for high input impedance and low output noise, contributing to its effectiveness in amplifying small differential signals in noisy environments.
The INA137 is available in various package options, including surface mount configurations, which facilitate ease of integration into compact designs. Its versatility and performance make it a popular choice among engineers seeking reliable amplification solutions for sensitive applications.

Features

The INA137UA/2K5 is an instrumentation amplifier designed for precision signal amplification in applications requiring high accuracy and low noise. Key features include:
1. High CMRR: Offers excellent common-mode rejection ratio, ensuring accurate differential measurement in noisy environments.
2. Low Offset Voltage: Minimal offset voltage enhances measurement accuracy.
3. Wide Supply Voltage Range: Operates from dual or single power supplies, typically from ±2.5V to ±18V.
4. Gain Options: Configurable gain settings via external resistors, allowing flexibility for various applications.
5. Low Noise: Designed to minimize thermal and voltage noise, suitable for low-level signal amplification.
6. High Input Impedance: Low loading effect on the input signal source, preserving signal integrity.
7. Temperature Stability: Maintains performance across a broad temperature range.
These features make the INA137UA/2K5 ideal for use in medical instrumentation, sensor signal conditioning, and data acquisition systems.

Package

The INA137UA/2K5 is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) format. This surface-mount package is designed for easy integration in electronic circuits.

Pinout

The INA137UA/2K5 is a precision instrumentation amplifier with a pin count of 8. Its primary function is to amplify low-level differential signals while rejecting common-mode noise, making it suitable for applications in sensor signal processing and data acquisition systems.
### Pin Configuration and Functions:
1. Pin 1 (V+): Positive power supply.
2. Pin 2 (V-): Negative power supply.
3. Pin 3 (Rout): Output voltage; provides the amplified differential signal.
4. Pin 4 (Ref): Reference voltage input; sets the output common-mode level.
5. Pin 5 (IN-): Inverting input; receives the negative differential input signal.
6. Pin 6 (IN+): Non-inverting input; receives the positive differential input signal.
7. Pin 7 (Gain): Gain setting input; allows configuration of the amplifier's gain.
8. Pin 8 (NC): No connect; not internally connected.
The INA137 is designed for high common-mode rejection and low offset voltage, making it ideal for use in precision measurement applications.

Manufacturer

The INA137UA/2K5 is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits. The company primarily serves the electronics industry, providing products for applications in automotive, communications, computing, and consumer electronics. TI is recognized for its innovation in analog and embedded processing technologies, contributing significantly to advancements in electronics.

Application

The INA137UA/2K5 is an instrumentation amplifier primarily used in medical devices, sensor signal conditioning, data acquisition systems, and industrial process control. Its high precision and low noise make it suitable for applications requiring accurate amplification of low-level signals, such as in thermocouples, strain gauges, and load cells. Additionally, it is utilized in automotive sensors and audio equipment for signal processing.

Equivalent

The INA137UA/2K5 is a precision instrumentation amplifier. Equivalent products include:
1. INA128 - A low-cost instrumentation amplifier.
2. INA219 - A power monitor with an integrated amplifier.
3. AD623 - An instrumentation amplifier with low power consumption.
4. LT2057 - A low-noise, precision op-amp suitable for similar applications.
Check datasheets for specifics, as performance may vary.