OPA2189IDR

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OPA2189IDR

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  • HerstellerTexas Instruments

  • Herstellerteil #OPA2189IDR

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Attribut Wert
Package Tape & Reel (TR),Cut Tape (CT)
Series Zero-Drift
ProductStatus Active
AmplifierType Zero-Drift
NumberofCircuits 2
OutputType Rail-to-Rail
SlewRate 20V/µs
GainBandwidthProduct 14 MHz
Current-InputBias 70 pA
Voltage-InputOffset 1.5 µV
Current-Supply 1.3mA
Current-Output/Channel 65 mA
Voltage-SupplySpan(Min) 4.5 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The OPA2189IDR is a precision operational amplifier from Texas Instruments, known for its high precision, low noise, and low drift characteristics. It is part of the OPAx189 series, designed for applications requiring accurate signal amplification with minimal error. Key features include a low input offset voltage and low noise, making it suitable for instrumentation, data acquisition, and sensor interfaces. The amplifier operates within a wide supply voltage range, providing flexibility for various designs.
The OPA2189IDR is particularly noted for its rail-to-rail input and output capabilities, which maximize dynamic range in low-voltage applications. It offers excellent common-mode rejection and power supply rejection ratios, enhancing performance stability across varied conditions. The device is available in standard surface-mount packages, facilitating easy integration into circuit designs. Its precision and reliability make it suitable for industrial, medical, and test equipment applications, where accurate and stable signal processing is critical.

Equivalent

The OPA2189IDR is a precision operational amplifier by Texas Instruments. Equivalent products include the AD8676 from Analog Devices and the LT1013 from Analog Devices (formerly Linear Technology). These alternatives offer similar precision and low-noise characteristics, although exact specifications such as bandwidth, input offset voltage, and power supply range may vary slightly. Always consult datasheets to ensure compatibility with specific requirements.

Features

The OPA2189IDR is a precision operational amplifier known for its low offset voltage and low drift, making it suitable for high-accuracy applications. Key features include:
1. Low Offset Voltage: The amplifier provides a very low offset voltage, typically around 5 µV, which enhances accuracy in DC-coupled systems.
2. Low Drift: It offers excellent drift performance with a typical value of 0.005 µV/°C, ensuring stable operation over temperature variations.
3. Low Noise: The OPA2189IDR boasts a low noise level, particularly at low frequencies, which is crucial for precision measurement applications.
4. High Slew Rate: The device has a fast slew rate of 20 V/µs, enabling rapid response to input changes.
5. Wide Supply Range: It can operate over a broad supply voltage range from ±2.25 V to ±18 V, providing flexibility in various applications.
6. Rail-to-Rail Output: The amplifier supports rail-to-rail output, maximizing dynamic range.
7. Low Input Bias Current: It features a low input bias current, typically at 200 pA, which is essential for high-impedance sensor interfacing.
These features make the OPA2189IDR ideal for precision instrumentation, sensor signal conditioning, and data acquisition systems.

Pinout

The OPA2189IDR is a precision operational amplifier from Texas Instruments. It is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin functions are as follows:
1. V- (Negative Supply Voltage): Connects to the negative supply voltage.
2. IN+ (Non-inverting Input): The positive input terminal for the amplifier.
3. IN- (Inverting Input): The negative input terminal for the amplifier.
4. V+ (Positive Supply Voltage): Connects to the positive supply voltage.
5. OUTA (Output A): Output terminal for the first operational amplifier.
6. NC (No Connect): Generally not connected internally; may be used for routing purposes on the PCB.
7. OUTB (Output B): Output terminal for the second operational amplifier.
8. V+ (Positive Supply Voltage): Connects to the positive supply voltage (redundant pin for routing symmetry).
These pins allow the OPA2189IDR to function as a dual-channel op-amp, suitable for precision applications requiring low noise and low offset voltage.

Manufacturer

The OPA2189IDR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are a leading player in the electronics industry, known for producing a wide range of components, including analog chips, digital signal processors, and microcontrollers, which are used in electronics across various sectors such as automotive, industrial, and consumer electronics. TI is renowned for its innovation and contributions to technology, maintaining a strong presence in the semiconductor market.

Application

The OPA2189IDR is a precision operational amplifier used in various applications requiring high accuracy and stability. Key areas include instrumentation and sensor interfaces, where its low offset voltage and drift enhance measurement precision. It's also suitable for data acquisition systems, providing reliable signal conditioning. In medical devices, the OPA2189IDR ensures accurate signal amplification for diagnostic equipment. Its low noise performance makes it ideal for audio applications, while its high precision suits industrial automation systems. Additionally, it is used in test and measurement equipment, enhancing the quality and reliability of readings. Overall, the OPA2189IDR is valued for its precision, low noise, and stability across different high-performance applications.

Package

The OPA2189IDR is a precision operational amplifier from Texas Instruments, and it is packaged in an SOIC-8 (Small Outline Integrated Circuit) package. This type of package is commonly used for integrated circuits and features eight pins, with a small form factor suitable for surface mounting on printed circuit boards.

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