OPA1679IRUMR

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OPA1679IRUMR

IC AUDIO 4 CIRCUIT 16WQFN

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  • Mfr. Part #OPA1679IRUMR
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  • Datasheet
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Specifications

Part Status Active
Amplifier Type Audio
Number of Circuits 4
Output Type Rail-to-Rail
Slew Rate 9V/µs
Gain Bandwidth Product 16 MHz
Current - Input Bias 10 pA
Voltage - Input Offset 500 µV
Current - Supply 2mA (x4 Channels)
Current - Output / Channel 50 mA
Voltage - Supply Span (Min) 4.5 V
Voltage - Supply Span (Max) 36 V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 16-WQFN Exposed Pad
Supplier Device Package 16-WQFN (4x4)
Base Product Number OPA1679

Overview

Description

The OPA1679IRUMR is a high-performance, low-noise operational amplifier designed by Texas Instruments. It features a 36V supply voltage range and offers rail-to-rail output, making it suitable for a variety of applications requiring precise amplification. Its low total harmonic distortion (THD) and low offset voltage enhance audio and sensor signal processing.
Key specifications include a bandwidth of 10 MHz, a slew rate of 20 V/µs, and a power supply rejection ratio (PSRR) of 120 dB, ensuring stability and reliability in operation. The device is housed in a small 8-pin MSOP package, which is ideal for space-constrained designs.
The OPA1679 is particularly well-suited for audio applications, instrumentation, and data acquisition systems, where high fidelity and low noise are critical. Its combination of performance features and versatility makes it a popular choice among engineers for various analog signal processing tasks.

Features

The OPA1679IRUMR is a high-performance, low-noise operational amplifier designed for precision applications. Key features include:
1. Wide Supply Range: Operates on dual supplies from +/-2.5 V to +/-18 V.
2. Low Noise: Offers low noise density of 4.5 nV/√Hz, making it suitable for sensitive applications.
3. High Slew Rate: 20 V/μs slew rate allows for fast signal processing.
4. Low Total Harmonic Distortion (THD): Provides high linearity with a THD of 0.0001% at 1 kHz.
5. High Gain Bandwidth Product: Approximately 20 MHz, enabling effective amplification of a wide range of frequencies.
6. Rail-to-Rail Output: Maximizes output swing to the power supply rails.
7. Low Input Bias Current: Input bias current is minimal, enhancing performance in high-impedance applications.
8. Available in Small Packages: Offered in a compact 8-pin MSOP package, suitable for space-constrained designs.
These features make the OPA1679 ideal for audio, sensor signal conditioning, and other precision analog applications.

Package

The OPA1679IRUMR is offered in a VSSOP-8 package type, which is a small outline package designed for high-performance applications.

Pinout

The OPA1679IRUMR is a precision operational amplifier with a pin count of 8. Its primary functions include high-performance analog signal processing, featuring low offset voltage, low noise, and wide bandwidth.
The pin configuration is as follows:
1. Offset Null: Connect to a potentiometer for offset adjustment.
2. Inverting Input (−): Input for the inverting signal.
3. Non-Inverting Input (+): Input for the non-inverting signal.
4. V-: Negative power supply connection.
5. V+: Positive power supply connection.
6. Output: Provides the amplified output signal.
7. Compensation: Used for external compensation if needed.
8. NC (No Connect): Not internally connected; can be left unconnected.
The OPA1679 is suitable for applications requiring high precision, such as medical instrumentation, data acquisition systems, and active filters.

Manufacturer

The OPA1679IRUMR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a wide range of analog and digital electronic components. Founded in 1930 and headquartered in Dallas, Texas, TI specializes in products that cater to various industries, including automotive, industrial, communications, and consumer electronics. Their offerings include operational amplifiers, data converters, microcontrollers, and embedded processors, among others. Texas Instruments is recognized for its innovation in analog technology and its commitment to providing solutions that enhance performance and efficiency in electronic designs.

Application

The OPA1679IRUMR is a low-noise, precision operational amplifier widely used in applications such as audio signal processing, medical instrumentation, sensor signal conditioning, data acquisition systems, and active filtering. Its high bandwidth and low distortion make it ideal for high-fidelity audio applications and precision measurement systems where accuracy and signal integrity are crucial.

Equivalent

The OPA1679IRUMR is a precision operational amplifier. Equivalent products include the OPA1641, OPA1642, and LMP7721. These alternatives share similar specifications such as low noise, low distortion, and rail-to-rail output. Always verify specific application requirements and datasheets for compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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