INA188IDR

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INA188IDR

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  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #INA188IDR

  • 在庫状況2560

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
AmplifierType Zero-Drift
NumberofCircuits 1
OutputType Rail-to-Rail
SlewRate 0.9V/µs
-3dbBandwidth 600 kHz
Current-InputBias 850 pA
Voltage-InputOffset 25 µV
Current-Supply 1.4mA
Voltage-SupplySpan(Min) 4 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概要

Description

The INA188IDR is a precision instrumentation amplifier developed by Texas Instruments. It is designed to amplify small differential voltages in the presence of large common-mode voltages, making it ideal for a variety of precision measurement applications. The device features low offset voltage, low offset voltage drift, and low input bias current, which contribute to its high accuracy and stability over temperature variations. It operates over a wide supply voltage range from 4.5V to 36V, making it versatile for different power requirements.
The INA188IDR offers a fixed gain of 1V/V to 1000V/V, allowing users to select the gain that best suits their application needs. Its rail-to-rail output ensures that the amplifier can make full use of the input signal range, optimizing performance. It is also characterized by a low power consumption, making it suitable for battery-powered devices. Common applications include sensor signal conditioning, medical instrumentation, and data acquisition systems. The device is available in an 8-pin SOIC package, facilitating easy integration into circuit designs.

Equivalent

The INA188IDR is a precision instrumentation amplifier. Some equivalent products or alternatives might include the AD8422 from Analog Devices, MAX4466 from Maxim Integrated, or the MCP6N11 from Microchip Technology. These alternatives offer similar functionalities, but it's important to verify specific requirements like gain, bandwidth, and supply voltage to ensure compatibility with your application. Always check the datasheets for detailed specifications and compare them to ensure proper functionality in your design.

Features

The INA188IDR is a precision instrumentation amplifier from Texas Instruments. Key features include:
1. Low Offset Voltage: It offers an ultra-low offset voltage of ±25 µV, ensuring precise and accurate signal amplification.
2. Low Offset Drift: The device has a low offset voltage drift of ±0.1 µV/°C over temperature, enhancing performance stability across varying conditions.
3. Low Noise: With a low noise performance of 8 nV/√Hz, it is well-suited for low-level signal applications.
4. Wide Supply Range: It operates over a wide supply voltage range from 4.5 V to 36 V, providing flexibility for different applications.
5. High Common-Mode Rejection Ratio (CMRR): The amplifier provides a high CMRR of 120 dB, which helps in minimizing errors from common-mode signals.
6. Gain Options: It offers programmable gain options via an external resistor, allowing for tailored amplification needs.
7. Rail-to-Rail Output: The device supports rail-to-rail output, maximizing dynamic range.
These features make the INA188IDR suitable for precision data acquisition systems, medical instrumentation, and other applications requiring high accuracy and low noise.

Pinout

The INA188IDR is a precision instrumentation amplifier from Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise breakdown of its pin functions:
1. V+ (Pin 8): Positive power supply.
2. V- (Pin 4): Negative power supply or ground.
3. IN+ (Pin 3): Non-inverting input terminal.
4. IN- (Pin 2): Inverting input terminal.
5. REF (Pin 5): Reference voltage input, used to set the output zero voltage level.
6. RG (Pin 1 and Pin 8): Gain-setting resistor pins; connect an external resistor between these pins to set the gain of the amplifier.
7. OUT (Pin 6): Output voltage terminal; outputs the amplified signal.
8. NC (Pin 7): No connection; not connected internally.
The INA188IDR is designed for precision applications, offering low offset voltage, low noise, and a wide input voltage range. It is suitable for applications requiring accurate and stable amplification of differential signals.

Manufacturer

The INA188IDR is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments specializes in designing and manufacturing a wide range of semiconductor technologies, including analog chips and embedded processors. They serve various industries such as automotive, industrial, consumer electronics, and communications. Known for their innovation in electronics, Texas Instruments develops components that are essential for modern electronic devices and systems.

Application

The INA188IDR is a precision instrumentation amplifier commonly used in applications requiring high accuracy and low noise. Key application areas include:
1. Medical Instrumentation: For precise signal amplification in devices like ECG and EEG machines.
2. Industrial Measurement: Used in pressure, temperature, and flow sensors for accurate data acquisition.
3. Automotive Systems: For monitoring and control systems, such as emission control and battery management.
4. Weigh Scales: Enhances precision in weight measurement instruments.
5. Data Acquisition Systems: Offers accurate signal conditioning before analog-to-digital conversion.
6. Test and Measurement Equipment: Used in oscilloscopes and multimeters for accurate signal analysis.
These applications benefit from its low offset voltage, low noise, and high common-mode rejection ratio.

Package

The INA188IDR is a precision instrumentation amplifier from Texas Instruments, available in a SOIC-8 (Small Outline Integrated Circuit, 8-Pin) package. This surface-mount package type is designed for high-performance analog applications, offering compact size and ease of integration.

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