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OPA990IDCKR

Name: OPA990IDCKR
Rating: 4.7 (12 reviews)

IC OPAMP GP 1 CIRCUIT SC70-5

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包 SC70-5
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
AmplifierType	General Purpose
NumberofCircuits	1
OutputType	Rail-to-Rail
SlewRate	4.5V/µs
GainBandwidthProduct	1.1 MHz
Current-InputBias	10 pA
Voltage-InputOffset	300 µV
Current-Supply	130µA
Current-Output/Channel	80 mA
Voltage-SupplySpan(Min)	2.7 V
Voltage-SupplySpan(Max)	40 V
OperatingTemperature	-40°C ~ 125°C (TA)
MountingType	Surface Mount
Package/Case	5-TSSOP, SC-70-5, SOT-353

概述

Description

The OPA990IDCKR is a precision operational amplifier designed for low-noise, high-accuracy applications. It features a low offset voltage and low drift, making it suitable for signal conditioning, data acquisition, and instrumentation. Key specifications include a wide supply voltage range (±2.5V to ±15V), high gain bandwidth product (typically 10 MHz), and low total harmonic distortion, which ensures high fidelity in audio and analog signal processing.
The OPA990IDCKR also boasts a low input bias current and high input impedance, minimizing the loading effect on sensors and other components. Its small footprint, available in a DCK package, facilitates integration into compact designs. The device is ideal for medical instrumentation, industrial process control, and high-precision measurement systems.
Overall, the OPA990IDCKR combines performance, precision, and versatility, making it a popular choice among engineers for a wide range of applications.

Features

The OPA990IDCKR is a high-performance, precision, low-noise operational amplifier designed for a variety of applications. Key features include:
1. Wide Supply Voltage Range: Operates from a single supply of 4.5V to 36V or dual supplies of ±2.25V to ±18V.
2. Low Input Offset Voltage: Typically around 100 µV, ensuring precise signal amplification.
3. High Slew Rate: Approximately 20 V/µs, enabling fast response times for dynamic signals.
4. High Open-Loop Gain: Greater than 100 dB, providing excellent linearity and fidelity.
5. Low Noise: Voltage noise density of 10 nV/√Hz at 1 kHz, suitable for low-level signal applications.
6. Rail-to-Rail Output: Allows output to swing close to the supply rails, maximizing output range.
7. Temperature Stability: Designed for stable performance over a wide temperature range.
8. Applications: Ideal for signal conditioning, data acquisition systems, and instrumentation.
The OPA990IDCKR is housed in a small 8-pin MSOP package, making it suitable for space-constrained designs.

Package

The OPA990IDCKR is packaged in a 5-pin SOT-23 (DCK) package.

Pinout

The OPA990IDCKR is a precision operational amplifier with a pin count of 8. It is designed for various applications requiring high accuracy and low noise. The key functions of its pins are as follows:
1. Non-inverting Input (Pin 1): This input receives the signal that will be amplified.
2. Inverting Input (Pin 2): This input is where the feedback signal is applied.
3. Output (Pin 6): The amplified output signal is provided here.
4. Negative Supply Voltage (Pin 4): This pin connects to the negative voltage supply.
5. Positive Supply Voltage (Pin 7): This pin connects to the positive voltage supply.
6. Compensation (Pin 3): This allows for external compensation to optimize stability.
7. N/C (Pin 5): No connection; typically left unconnected.
8. Offset Null (Pin 8): Used to adjust the output offset voltage.
The OPA990 is known for its low input offset voltage and high open-loop gain, making it suitable for precision applications.

Manufacturer

The OPA990IDCKR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, including operational amplifiers, microcontrollers, and digital signal processors. Founded in 1930, the company is known for its innovations in analog and embedded processing technologies, serving a diverse range of industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is also recognized for its significant contributions to educational tools, particularly with its calculators.

Application

The OPA990IDCKR is a precision operational amplifier used in various applications, including signal conditioning, data acquisition systems, medical instrumentation, and sensor interfacing. Its low noise and high bandwidth make it suitable for audio applications, automotive systems, and industrial controls. Additionally, it is used in active filters, amplifiers for high-impedance sensors, and analog signal processing tasks.

Equivalent

The OPA990IDCKR is a precision operational amplifier. Equivalent products include:
1. OPA2134 - Low-noise, high-performance op-amp.
2. OPA2227 - Precision op-amp with low offset voltage.
3. LM358 - Dual op-amp, more general purpose.
4. LT1007 - Low-noise, precision op-amp.
5. MCP6002 - Low-power dual op-amp.
Always verify the specific parameters for your application when selecting an equivalent part.