LM555CM/NOPB

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LM555CM/NOPB

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IC OSC SGL TIMER 100KHZ 8-SOIC

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Especificações

Atributo Valor
Supplier Texas Instruments
Package / Case Tube
Part Status Active
Type 555 Type, Timer/Oscillator (Single)
Frequency 100kHz
Voltage - Supply 4.5V ~ 16V
Supply Current 10 mA
Operating Temperature 0°C ~ 70°C
Supplier Device Package 8-SOIC

Visão Geral

Description

The LM555CM/NOPB is a precision timer integrated circuit widely used for generating accurate time delays or oscillation. It is a variant of the 555 timer IC, housed in an 8-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface-mount applications. This device operates in three primary modes: monostable, astable, and bistable, allowing it to function as a timer, pulse generator, or flip-flop element. It features low turn-off time, high output drive capability, and can operate effectively within a voltage range of 4.5V to 16V. The LM555CM/NOPB is valued for its versatility, reliability, and ease of use in both analog and digital circuits. Typical applications include LED flashers, PWM circuits, tone generators, and sequencers. The device is manufactured with a Pb-free finish, making it environmentally friendly. Its robust design ensures stable operation across a range of temperatures, making it ideal for various industrial, automotive, and consumer electronics applications.

Equivalent

The LM555CM/NOPB is a general-purpose timer IC, commonly replaced with equivalent products like the NE555, SE555, or TLC555, depending on the specific requirements such as supply voltage and temperature range. These alternatives are designed to perform similar functions in timing and oscillator applications. Always verify the datasheet specifications to ensure compatibility with your application.

Features

The LM555CM/NOPB is a precision timer IC known for its versatility in various electronic applications. Key features include:
1. Timing Range: It can operate in both astable and monostable modes, offering a wide timing range from microseconds to hours.
2. Supply Voltage: Works effectively with a supply voltage ranging from 4.5V to 15V, making it compatible with standard TTL and CMOS logic levels.
3. Output Compatibility: Provides a high output current capability, typically up to 200 mA, allowing it to drive loads directly.
4. Temperature Stability: Exhibits good temperature stability, with minimal variation in timing over a wide temperature range (-40°C to 85°C).
5. Low Power Consumption: Features low power consumption, making it suitable for battery-operated devices.
6. Adjustable Duty Cycle: Allows the duty cycle to be adjusted, which is useful in applications requiring pulse-width modulation (PWM).
7. Pin Configuration: Comes in an 8-pin package, simplifying integration into circuits.
These features make the LM555CM/NOPB a popular choice for applications like oscillators, pulse generation, time delays, and more.

Pinout

The LM555CM/NOPB is a variant of the 555 timer IC, which is widely used for generating precise time delays and oscillations. It typically comes in an 8-pin package. Here's a brief summary of the pin functions:
1. GND (Pin 1): Ground reference voltage, connected to the 0V power supply.
2. TRIG (Pin 2): Trigger input, starts the timing interval; a low voltage here (<1/3 VCC) causes the output to go high.
3. OUT (Pin 3): Output, delivers the timer's signal, either high or low, depending on the configuration.
4. RESET (Pin 4): Reset input, active low; takes precedence over other inputs and resets the timing interval when low.
5. CTRL (Pin 5): Control voltage, used to adjust the threshold and trigger levels; typically connected to ground via a capacitor for noise filtering.
6. THRS (Pin 6): Threshold, ends the timing interval; when voltage exceeds 2/3 VCC, the output goes low.
7. DISCH (Pin 7): Discharge, connected to the timing capacitor; used to discharge it in astable mode.
8. VCC (Pin 8): Supply voltage, the positive power supply terminal.
This IC is renowned for its flexibility and is commonly employed in applications like timers, pulse generation, and sequencers.

Manufacturer

The LM555CM/NOPB is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world, known for its focus on developing analog chips and embedded processors. TI supplies its products to a wide range of industries, including industrial, automotive, personal electronics, and communications equipment. The company has a reputation for innovation and quality in the semiconductor industry, with a robust portfolio of products that are used in countless electronic applications.

Application

The LM555CM/NOPB is a versatile timer IC used in various applications, such as:
1. Astable Multivibrator: Generates continuous square wave signals for clock pulses or LED flashers.
2. Monostable Multivibrator: Provides single pulse output for timers, delay circuits, or debounce switches.
3. Pulse Width Modulation (PWM): Controls motor speed or brightness of lights.
4. Frequency Divider: Reduces frequency of input signals for frequency division applications.
5. Tone Generation: Used in audio applications to create sound effects or alert tones.
6. Voltage-Controlled Oscillator (VCO): Used in signal generation where frequency is controlled by an input voltage.
These features make it ideal for use in consumer electronics, automotive, industrial, and communication systems.

Package

The LM555CM/NOPB is a precision timer IC with an SOIC-8 package type. "SOIC" refers to the Small Outline Integrated Circuit, which is a surface-mounted package. The "8" indicates it has 8 pins. This package is commonly used for its compact size and efficient performance in timing and oscillator applications.

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