March 16, 2024

LM358P Texas Instruments

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About

The LM358P from Texas Instruments is a versatile, widely used integrated circuit that belongs to a family of operational amplifiers (op-amps). This particular model, encapsulated in a dual-inline package, features two independent high-gain, internally frequency-compensated operational amplifiers designed to operate from a single power supply over a wide range of voltages. Its design caters to conventional op-amp applications and offers the added advantage of single-supply operation, making it an excellent choice for projects where minimizing power consumption is crucial.

Features

The LM358P operational amplifier is a widely utilized component in various electronic circuits due to its versatility and reliability. This dual op-amp IC is designed to operate from a single power supply over a wide range of voltages but can also be used with dual power supplies. Here are the key features of the LM358P:

Dual Operational Amplifiers: Contains two independent, high-gain, internally frequency-compensated op-amps designed for single or dual supply operation, which can be used separately or in combination for various applications.
Wide Supply Voltage Range: Operates from a single supply voltage as low as 3V up to 32V, and dual supplies of ±1.5V to ±16V, making it suitable for battery-operated devices as well as for standard 5V, 12V, and 15V power supplies.
Low Supply Current Drain: The LM358P is characterized by its low supply current, making it an ideal choice for battery-powered applications and energy-sensitive projects.
Input Common-Mode Voltage Range: Includes ground, which is essential for single-supply operation, allowing the input signal to go down to the ground level (0V) which is not possible with many other op-amps.
Differential Input Voltage Range Equal to the Power Supply Voltage: This feature indicates that the difference between the voltages applied to the op-amp’s inputs can be as large as the supply voltage itself.
Large Output Voltage Swing: Outputs can swing from 0V to just over the supply voltage (Vcc – 1.5V), providing a broad range of output possibilities, which is crucial for driving a wide range of loads.
Internal Frequency Compensation: Built-in frequency compensation simplifies its usage by eliminating the need for additional external components to stabilize the loop gain.
Low Input Bias and Offset Currents: Ensures minimal error in applications requiring high precision.
Low Offset Voltage: The offset voltage is the differential DC voltage required between the inputs to force the output to be at a null condition (zero volts), and for the LM358P, this value is kept low to enhance accuracy in sensitive applications.
Wide Operating Temperature Range: Typically from 0°C to 70°C, making it suitable for use in a diverse range of environmental conditions.

These features make the LM358P a versatile and practical choice for a myriad of applications ranging from sensor interfacing and signal conditioning to active filtering and analog computations. Its ability to operate in a wide range of conditions and its user-friendly nature make it a staple in both hobbyist and professional electronics projects.

Applications

The LM358P operational amplifier finds its use in a multitude of applications across various fields due to its versatility, reliability, and cost-effectiveness. Its dual op-amp configuration, wide power supply range, and other unique features make it suitable for an array of electronic circuits and systems. Below are some of the common applications for the LM358P that can be highlighted on a website:

Sensor Interface and Signal Conditioning:

Transducer Amplifiers: Amplification of signals from transducers such as temperature sensors, pressure sensors, and photodiodes to make them suitable for further processing or digital conversion.
Current Sensing Circuits: Monitoring and measuring current flow in power supplies and motor control circuits.

Audio Processing:

Microphone Preamplifiers: Amplifying low-level signals from microphones to line-level signals for further processing or amplification.
Audio Mixers: Combining multiple audio signals into a single output signal while allowing for individual level control.

Signal Amplification and Filtering:

Active Filters: Designing low-pass, high-pass, band-pass, and band-stop filters for noise reduction, signal conditioning, or extracting specific frequencies from a signal.
Voltage Followers (Buffer Amplifiers): Providing high input impedance and low output impedance to prevent signal loading and loss.

Power Supply Circuits:

Voltage Regulators: Providing stable output voltage from a fluctuating input supply by acting in series or shunt regulator configurations.
DC-DC Converters: Step-up (Boost) or Step-down (Buck) converters for efficient power conversion and management.

Analog Processing and Control:

Comparator Circuits: Comparing two voltages and outputting a digital signal indicating which is higher, useful in level detection and digital interface circuits.
Integrators and Differentiators: For analog signal processing, such as in waveform generation, modulation, and mathematical operations.

Automotive and Industrial:

Battery Chargers: Monitoring and controlling the charging process to ensure optimal battery health and longevity.
Motor Control: Providing feedback and control signals for motor speed and direction regulation.

Medical Devices:

ECG and Biomedical Signal Amplification: Amplifying and processing signals from medical sensors and devices for diagnostic purposes.

Consumer Electronics:

Light Dimmers and Controllers: Adjusting and controlling the brightness of LEDs and other light sources.

These applications demonstrate the LM358P’s adaptability to a wide range of electronic designs and its role in enabling complex functionalities across consumer, automotive, industrial, and medical fields. Highlighting these applications on a website can help users understand the potential uses of the LM358P and inspire innovative designs in their projects.

Advantages

The LM358P operational amplifier offers a range of advantages that make it a preferred choice for various electronic applications, from simple DIY projects to complex industrial systems. Its features translate into tangible benefits that enhance the performance, reliability, and efficiency of electronic circuits. Here are some of the key advantages of using the LM358P:

Versatility:

Dual Op-Amp Configuration: The integration of two independent operational amplifiers in a single package allows for compact and versatile circuit designs, enabling a wide range of applications with reduced component count and board space.
Wide Operating Voltage Range: With a supply voltage range from 3V to 32V for single supply operations and ±1.5V to ±16V for dual supply modes, the LM358P can be used in environments with varying power supply constraints, making it suitable for battery-operated devices as well as line-powered applications.

Low Power Consumption:

The LM358P is designed for low quiescent current, which is particularly advantageous for battery-powered and portable devices where power efficiency is critical, extending the operational life of the device.

Ease of Use:

Single Supply Operation: The ability to operate with a single power supply simplifies the power supply design, which is especially beneficial in applications with limited space or power availability.
Internal Frequency Compensation: This feature eliminates the need for external components to stabilize the frequency response, simplifying the design and reducing the overall bill of materials.

Robust Performance:

Large Output Voltage Swing: The LM358P can swing its output voltage close to the supply rails, maximizing the dynamic range in applications such as audio processing and analog signal conditioning.
Input Common-Mode Voltage Range Including Ground: This allows for direct sensing at ground level, making the LM358P ideal for single-supply applications and simplifying signal conditioning tasks.

Cost-Effectiveness:

The LM358P provides an excellent balance between performance and cost, offering a high-functionality solution that is economically viable for both small-scale projects and mass-produced consumer electronics.

Reliability and Support:

Texas Instruments Quality: Known for its commitment to quality, Texas Instruments ensures that the LM358P, like its other products, meets high reliability and performance standards.
Comprehensive Documentation and Support: TI provides extensive documentation, including datasheets, application notes, and design guides, which facilitate the development process and help in troubleshooting and optimization.

Wide Temperature Range:

The LM358P is designed to operate over a wide range of ambient temperatures, making it suitable for industrial applications and environments with challenging thermal conditions.

In summary, the LM358P operational amplifier from Texas Instruments stands out for its flexibility, low power consumption, ease of use, and robust performance. These advantages, coupled with the support and reliability provided by Texas Instruments, make the LM358P a go-to choice for a wide array of electronic designs.

Specifications

Product Attribute	Attribute Value
Manufacturer:	Texas Instruments
Product Category:	Operational Amplifiers – Op Amps
Number of Channels:	2 Channel
GBP – Gain Bandwidth Product:	700 kHz
SR – Slew Rate:	300 mV/us
Vos – Input Offset Voltage:	7 mV
Ib – Input Bias Current:	250 nA
Supply Voltage – Max:	32 V
Supply Voltage – Min:	3 V
Operating Supply Current:	350 uA
Output Current per Channel:	20 mA
CMRR – Common Mode Rejection Ratio:	80 dB
en – Input Voltage Noise Density:	40 nV/sqrt Hz
Package / Case:	PDIP-8
Mounting Style:	Through Hole
Shutdown:	No Shutdown
Minimum Operating Temperature:	0 C
Maximum Operating Temperature:	+ 70 C
Series:	LM358
Packaging:	Tube
Amplifier Type:	High Gain Amplifier
Brand:	Texas Instruments
Dual Supply Voltage:	+/- 3 V, +/- 5 V, +/- 9 V
Features:	Standard Amps
Height:	4.57 mm
Input Type:	Rail-to-Rail
Length:	9.81 mm
Maximum Dual Supply Voltage:	+/- 16 V
Minimum Dual Supply Voltage:	+/- 1.5 V
Operating Supply Voltage:	3 V to 32 V, +/- 1.5 V to +/- 16 V
Product:	Operational Amplifiers
Product Type:	Op Amps – Operational Amplifiers
Factory Pack Quantity:	50
Subcategory:	Amplifier ICs
Supply Type:	Single, Dual
Technology:	Bipolar
Vcm – Common Mode Voltage:	Negative Rail to Positive Rail – 1.5 V
Voltage Gain dB:	100 dB
Width:	6.35 mm
Unit Weight:	450 mg