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L272M

Name: L272M
Rating: 4.7 (12 reviews)

IC OPAMP GP 2 CIRCUIT 8DIP

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Mfr。パート #L272M
パッケージ DIP-8
データシート
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仕様

Package	Tube
ProductStatus	Obsolete
AmplifierType	General Purpose
NumberofCircuits	2
SlewRate	1V/µs
GainBandwidthProduct	350 kHz
Current-InputBias	300 nA
Voltage-InputOffset	15 mV
Current-Supply	8mA
Current-Output/Channel	700 mA
Voltage-SupplySpan(Min)	4 V
Voltage-SupplySpan(Max)	28 V
OperatingTemperature	-40°C ~ 85°C
MountingType	Through Hole
Package/Case	8-DIP (0.300, 7.62mm)

概要

Description

L272M is a variant of the SARS-CoV-2 virus, specifically a mutation in the spike protein. It's part of ongoing research into COVID-19 variants, which are monitored for their potential impact on transmissibility, vaccine efficacy, and disease severity. Understanding L272M is crucial for public health responses and vaccine development. Scientists study this mutation to assess its characteristics compared to other variants and to devise effective strategies for controlling the spread of the virus. Continuous genomic surveillance is essential to track such mutations and their implications for ongoing pandemic management.

Features

The L272M is a microcontroller from STMicroelectronics, part of the STM32 family, known for its high performance and versatility in embedded applications. Key features include:
1. Core: ARM Cortex-M3 processor, offering a balance of performance and energy efficiency.
2. Clock Speed: Up to 72 MHz, allowing for responsive processing capabilities.
3. Flash Memory: Up to 128 KB of Flash memory for program storage.
4. RAM: Up to 20 KB of SRAM for data storage.
5. I/O Ports: Multiple GPIOs for flexible connectivity options.
6. Peripherals: Integrated peripherals such as ADCs, timers, I2C, SPI, and USART interfaces for various communication and control tasks.
7. Low Power Modes: Multiple low-power modes to optimize energy consumption for battery-operated applications.
8. Development Support: Compatibility with various development tools and IDEs, facilitating rapid development and prototyping.
These features make the L272M suitable for various applications, including consumer electronics, industrial automation, and IoT devices.

Package

The L272M is typically available in a standard TO-220 package type, which features a metal tab for heat dissipation and is designed for power applications.

Pinout

The L272M is a dual operational amplifier in an 8-pin package.
Pin Count and Functions:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input A): Input for the first op-amp (A).
3. Pin 3 (Non-Inverting Input A): Input for the first op-amp (A).
4. Pin 4 (V- or Ground): Negative supply voltage or ground.
5. Pin 5 (Non-Inverting Input B): Input for the second op-amp (B).
6. Pin 6 (Inverting Input B): Input for the second op-amp (B).
7. Pin 7 (Output B): Output for the second op-amp (B).
8. Pin 8 (Output A): Output for the first op-amp (A).
The L272M can operate with a single or dual power supply and is used in various applications such as signal conditioning, filtering, and amplification.

Manufacturer

The L272M is manufactured by Lattice Semiconductor Corporation, a company that specializes in low-power, field-programmable gate arrays (FPGAs), programmable logic devices, and related solutions. Founded in 1983 and headquartered in Hillsboro, Oregon, Lattice focuses on providing innovative, cost-effective products that cater to various markets, including communications, automotive, industrial, and consumer electronics. The company is known for its emphasis on low power consumption and small form factors, making its solutions suitable for a wide range of applications, from IoT devices to advanced networking systems. Lattice Semiconductor is publicly traded and is recognized for its commitment to enabling flexibility and performance in electronic design and development.

Application

The L272M is a versatile operational amplifier used in various applications, including audio signal processing, active filters, voltage followers, and instrumentation amplifiers. It is also utilized in sensor signal conditioning, temperature sensing, and motor control circuits. Its low noise and high stability make it suitable for precision applications in medical devices, industrial automation, and consumer electronics.

Equivalent

The L272M chip is a dual operational amplifier that is commonly used in various applications. Equivalent products include the LM358, TL072, and MCP602. These alternatives offer similar functionality in terms of dual op-amp configuration, low noise, and general-purpose usage, though specifications may vary. Always check the datasheets for specific parameters to ensure compatibility for your application.