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OPA2990IDDFR

Name: OPA2990IDDFR
Rating: 4.7 (12 reviews)

IC OPAMP

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規格

Part Status	Active
Amplifier Type	Standard
Number of Circuits	2
Output Type	Rail-to-Rail
Slew Rate	4.5V/µs
Current - Input Bias	10 pA
Voltage - Input Offset	300 µV
Current - Supply	120µA (x2 Channels)
Current - Output / Channel	80 mA
Voltage - Supply Span (Min)	2.7 V
Voltage - Supply Span (Max)	40 V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	SOT-23-8 Thin, TSOT-23-8
Supplier Device Package	TSOT-23-8
Base Product Number	OPA2990
Gain Bandwidth Product	1.1 MHz

概述

Description

The OPA2990IDDFR is a high-performance, dual operational amplifier from Texas Instruments, designed for low-voltage, low-noise applications. It features a rail-to-rail output, allowing it to effectively use the full supply voltage range, which is typically from ±1.5V to ±18V. With a low input offset voltage and low noise characteristics, it is well-suited for precision signal processing tasks such as audio processing, medical instrumentation, and data acquisition systems.
The OPA2990 offers a high gain bandwidth product, enabling it to maintain performance in a variety of applications, while its low distortion levels ensure signal fidelity. Its compact packaging (DFN) facilitates integration into space-constrained designs. Additional features include high slew rate and fast settling time, contributing to its versatility in both consumer and industrial applications. Overall, the OPA2990IDDFR is an excellent choice for designers seeking high accuracy and stability in their circuit designs.

Features

The OPA2990IDDFR is a precision operational amplifier featuring a low input offset voltage, low bias current, and high open-loop gain, making it suitable for a variety of applications. Key features include:
1. Supply Voltage Range: Operates on a wide supply voltage range from ±2.5V to ±18V.
2. Low Input Offset Voltage: Typically 50 µV, ensuring high accuracy in applications.
3. Low Noise: Offers low voltage noise density, which is ideal for sensitive signal amplification.
4. High Gain-Bandwidth Product: Approximately 10 MHz, supporting high-speed applications.
5. Rail-to-Rail Output: Allows the output to swing close to the supply rails for maximum dynamic range.
6. Low Total Harmonic Distortion (THD): Ensures high fidelity for audio and other precision applications.
7. Temperature Range: Rated for operation from -40°C to +125°C, making it versatile for various environments.
These features make the OPA2990IDDFR suitable for instrumentation, audio processing, and other precision analog applications.

Package

The OPA2990IDDFR is housed in a VSSOP (Very Thin Shrink Small Outline Package) with 8 pins. It features a compact design, making it suitable for space-constrained applications in analog signal processing.

Pinout

The OPA2990IDDFR is a precision operational amplifier with a pin count of 8.
The pin functions are as follows:
1. Inverting Input (Pin 1): The input where the input signal is applied in an inverting configuration.
2. Non-Inverting Input (Pin 2): The input for the non-inverting configuration.
3. Offset Null (Pin 3): Used for offset voltage adjustment (optional).
4. Output (Pin 4): The output of the op-amp signal.
5. Negative Supply (Pin 5): Connects to the negative power supply voltage.
6. Positive Supply (Pin 6): Connects to the positive power supply voltage.
7. NC (Pin 7): No internal connection; can be left unconnected.
8. Compensation (Pin 8): Used for frequency compensation (optional).
The OPA2990 is designed for low noise, precision applications, making it suitable for various analog signal processing tasks.

Manufacturer

The OPA2990IDDFR is manufactured by Texas Instruments (TI), a leading semiconductor company. Founded in 1930, Texas Instruments is headquartered in Dallas, Texas. The company specializes in designing and manufacturing a broad range of analog and digital semiconductor solutions, including operational amplifiers, microcontrollers, processors, and signal chain devices. TI serves various industries, including automotive, industrial, communications, and consumer electronics, providing innovative technologies that enable advancements in electronic systems. The OPA2990 is a precision, low-power operational amplifier known for its high accuracy and low noise, making it suitable for a variety of applications in signal processing and data acquisition.

Application

The OPA2990IDDFR is a precision operational amplifier used in various application areas, including sensor signal conditioning, medical instrumentation, audio equipment, and data acquisition systems. Its low noise, wide bandwidth, and high precision make it suitable for applications requiring accurate signal amplification and processing in industrial, automotive, and consumer electronics.

Equivalent

Equivalent products to the OPA2990IDDFR op-amp include the OPA2134, OPA227, and AD797. These alternatives offer similar specifications in terms of low noise, low distortion, and high bandwidth. However, it's essential to verify specific requirements like supply voltage and package type to ensure compatibility.