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OPA343NA/3K

Name: OPA343NA/3K
Rating: 4.7 (12 reviews)

IC OPAMP GP 1 CIRCUIT SOT23-5

Производитель
Мфр. Часть #OPA343NA/3K
Пакет
Лист данных OPA343NA/3K DataSheet
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Спецификации

Series	MicroAmplifier™
Part Status	Active
Amplifier Type	Standard
Number of Circuits	1
Output Type	Rail-to-Rail
Slew Rate	6V/µs
Current - Input Bias	0.2 pA
Voltage - Input Offset	2 mV
Current - Supply	850µA
Current - Output / Channel	50 mA
Voltage - Supply Span (Min)	2.5 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Base Product Number	OPA343
Gain Bandwidth Product	5.5 MHz

Обзор

Description

The OPA343NA/3K is a precision, low-power op-amp designed by Texas Instruments. It features a single-supply operation with a wide input voltage range, making it suitable for battery-operated devices. This operational amplifier offers low offset voltage and low drift, ensuring high accuracy in various applications.
Key specifications include a low supply current of approximately 50 µA per channel, a gain bandwidth product of 1 MHz, and a slew rate of 0.2 V/µs, making it ideal for signal conditioning, data acquisition systems, and sensor interfacing. Its rail-to-rail output allows for maximum voltage swing, enhancing performance in low-voltage applications.
The OPA343 is available in multiple package options, including SOT-23, and is designed for use in automotive, industrial, and consumer electronics. With its combination of high precision and low power consumption, the OPA343NA/3K is a versatile choice for various amplification tasks.

Features

The OPA343NA/3K is a precision operational amplifier designed for low-power applications. Key features include:
1. Low Supply Current: Typically 50 µA, helping to enhance battery life in portable devices.
2. Wide Supply Voltage Range: Operates from a single supply of 2.7 V to 5.5 V or dual supplies of ±1.35 V to ±2.75 V.
3. Rail-to-Rail Output: Allows the output to swing close to both power supply rails, maximizing output voltage range.
4. High Slew Rate: Typically 0.1 V/µs, enabling fast signal response.
5. Low Offset Voltage: Typically 0.5 mV, enhancing accuracy in precision applications.
6. High Gain-Bandwidth Product: Approximately 1 MHz, suitable for various signal conditioning tasks.
7. Temperature Range: Operates over a wide temperature range from -40°C to +85°C.
These features make the OPA343 suitable for applications in sensor amplification, signal processing, and low-power instrumentation.

Package

The OPA343NA/3K is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format. This package is designed for surface mounting and provides a compact solution for integrating the operational amplifier into electronic circuits.

Pinout

The OPA343NA/3K is a single low-power operational amplifier from Texas Instruments. It features a 5-pin package (SOT-23) with the following pin configuration:
1. Offset Null – This pin is used for offset adjustments.
2. Inverting Input (V-) – The input where the signal is fed for inversion.
3. Non-Inverting Input (V+) – The input where the signal is fed for non-inversion.
4. Output – This pin provides the amplified output signal.
5. Power Supply (V+) – The positive power supply connection for the op-amp.
The OPA343 operates on low supply voltages (typically 2.7V to 5.5V) and is designed for applications requiring low power consumption and high precision, making it suitable for battery-operated devices and sensor applications.

Manufacturer

The OPA343NA/3K is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its innovations in analog and embedded processing technologies, serving a wide range of industries including automotive, industrial, consumer electronics, and communications. Texas Instruments is particularly recognized for its operational amplifiers, data converters, microcontrollers, and digital signal processors. The OPA343 is an operational amplifier that offers low power consumption and high precision, making it suitable for a variety of applications in signal processing and instrumentation.

Application

The OPA343NA/3K is a precision operational amplifier suitable for various applications, including medical instrumentation, sensor signal conditioning, data acquisition systems, and active filters. Its low offset voltage and low noise characteristics make it ideal for battery-powered and portable devices. Additionally, it is used in automotive applications and industrial control systems for signal amplification and processing.

Equivalent

The OPA343NA/3K is a precision, low-power operational amplifier. Equivalent products include:
1. OPA2134 - Low noise, high-performance op-amp.
2. LM358 - General-purpose dual op-amp.
3. TLV2372 - Low-power, dual op-amp.
4. MCP6002 - Low-cost, low-power op-amp.
Always consider specifications like supply voltage, bandwidth, and packaging when selecting an equivalent.

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