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LM211QDR
+Lista de MateriaisIC COMPARATOR 1 GEN PUR 8SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #LM211QDR
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Base Product Number | LM211 |
| Type | Standard (General Purpose) |
| Number of Elements | 1 |
| Output Type | DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL |
| Voltage - Supply, Single / Dual (±) | 3.5V ~ 30V, ±1.75V ~ 15V |
| Voltage - Input Offset (Max) | 3mV @ ±15V |
| Current - Input Bias (Max) | 0.1µA @ ±15V |
| Current - Output (Typ) | 50mA |
| Current - Quiescent (Max) | 6mA |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
Visão Geral
Description
The LM211QDR is a precision voltage comparator often used in electronic circuits for comparing voltages. Part of the LM211 series, it is known for its wide operating voltage range, typically from 3V to 32V, and its capability to drive output currents up to 50 mA. The device can operate over a wide temperature range, making it suitable for various industrial and automotive applications.
Key features include low input offset voltage, high input impedance, and a fast response time. The LM211QDR has an open-collector output, allowing it to interface with a variety of logic systems. It is designed for single or dual power supply operations and is often deployed in systems requiring stable and reliable voltage comparison, such as zero-crossing detectors, oscillators, and level shifters.
Packaged in a small outline form, the LM211QDR is convenient for compact circuit designs. Its reliability and performance make it a popular choice for engineers working on precision electronic projects.
Key features include low input offset voltage, high input impedance, and a fast response time. The LM211QDR has an open-collector output, allowing it to interface with a variety of logic systems. It is designed for single or dual power supply operations and is often deployed in systems requiring stable and reliable voltage comparison, such as zero-crossing detectors, oscillators, and level shifters.
Packaged in a small outline form, the LM211QDR is convenient for compact circuit designs. Its reliability and performance make it a popular choice for engineers working on precision electronic projects.
Equivalent
The LM211QDR is a precision voltage comparator. Equivalent products include the LM311, LM319, and LM193 from various manufacturers like Texas Instruments, ON Semiconductor, and STMicroelectronics. It’s important to check the specific electrical and mechanical specifications since there might be slight variations. Always ensure that the replacement matches the original in terms of pin configuration, supply voltage, and temperature range.
Features
The LM211QDR is a voltage comparator with several key features. It operates over a wide supply voltage range from 3V to 32V, suitable for battery-powered and automotive applications. The device has a low input offset voltage, making it precise for applications requiring high accuracy. It offers high-speed operation with a response time of 200 ns, allowing quick signal processing. The output can drive loads connected to any voltage within the power supply voltage range, making it versatile in various configurations. It features a low input bias current, which is advantageous for sensor interfacing and applications needing minimal current draw. The LM211QDR provides an open-collector output, enabling easy interfacing with other logic levels and devices. Additionally, it has a wide operating temperature range, ensuring reliable performance in harsh environments. This comparator is available in a small and convenient SOIC-8 package, making it suitable for compact circuit designs.
Pinout
The LM211QDR is a precision voltage comparator from Texas Instruments. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of the LM211QDR is to compare two voltage levels and provide a digital output indicating which input is higher.
Here's a brief overview of the pin functions:
1. V+: Positive supply voltage.
2. IN- (Inverting Input): Inverting input for the comparator.
3. IN+ (Non-Inverting Input): Non-inverting input for the comparator.
4. GND: Ground connection.
5. OUT: Output of the comparator.
6. BALANCE: Balance/Strobe input to adjust the offset voltage.
7. BAL/STB: Balance/Strobe input, used in conjunction with the Balance pin.
8. V-: Optional negative supply voltage for dual-supply operation.
This configuration allows the LM211QDR to be used in various applications that require high-speed voltage comparison, such as zero-crossing detectors, oscillators, or as part of analog-to-digital converter circuits.
Here's a brief overview of the pin functions:
1. V+: Positive supply voltage.
2. IN- (Inverting Input): Inverting input for the comparator.
3. IN+ (Non-Inverting Input): Non-inverting input for the comparator.
4. GND: Ground connection.
5. OUT: Output of the comparator.
6. BALANCE: Balance/Strobe input to adjust the offset voltage.
7. BAL/STB: Balance/Strobe input, used in conjunction with the Balance pin.
8. V-: Optional negative supply voltage for dual-supply operation.
This configuration allows the LM211QDR to be used in various applications that require high-speed voltage comparison, such as zero-crossing detectors, oscillators, or as part of analog-to-digital converter circuits.
Manufacturer
The LM211QDR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is a global semiconductor company that designs and manufactures a wide range of electronic products. They are well-known for their development and production of analog chips, embedded processors, and other semiconductor devices. TI's products are used in various applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is recognized for its contributions to both innovation and reliability in the electronics industry.
Application
The LM211QDR is a high-speed voltage comparator commonly used in automotive and industrial applications. It is well-suited for applications requiring fast response times and precise voltage monitoring. Typical application areas include:
1. Voltage Level Detection: Used in battery monitoring systems to detect over-voltage or under-voltage conditions.
2. Analog-to-Digital Converters: Assists in converting an analog signal to a digital one through precise threshold detection.
3. Oscillators and Timing Circuits: Functions as a critical component in generating oscillating signals.
4. Zero-Crossing Detectors: Used in motor control systems for phase detection.
5. Signal Conditioning: Enhances the integrity of weak or noisy signals before processing.
These applications benefit from its high-speed performance and reliability in harsh environments.
1. Voltage Level Detection: Used in battery monitoring systems to detect over-voltage or under-voltage conditions.
2. Analog-to-Digital Converters: Assists in converting an analog signal to a digital one through precise threshold detection.
3. Oscillators and Timing Circuits: Functions as a critical component in generating oscillating signals.
4. Zero-Crossing Detectors: Used in motor control systems for phase detection.
5. Signal Conditioning: Enhances the integrity of weak or noisy signals before processing.
These applications benefit from its high-speed performance and reliability in harsh environments.
Package
The LM211QDR is typically available in a SOIC-8 (Small Outline Integrated Circuit) package. This type of package is commonly used for surface-mount technology applications, offering a compact form factor suitable for various electronic devices.
