LM211QDR

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LM211QDR

IC COMPARATOR 1 GEN PUR 8SOIC

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Thông số kỹ thuật

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 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Packaging Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

The LM211QDR is a high-speed, dual comparator featuring a fast response time and low input offset voltage, making it ideal for a variety of applications in automotive and industrial settings. It operates on a wide supply voltage range of 2V to 36V and can handle input voltages that extend below the negative supply rail, enhancing its versatility in circuit designs.
The device includes an open-collector output, allowing for easy interfacing with other logic levels. With a propagation delay of around 100 ns, the LM211QDR is suited for applications requiring quick feedback and precise signal comparison.
It is available in a compact surface-mount package (SOIC-8), which makes it suitable for space-constrained designs. Key applications include voltage level detection, zero-crossing detection, and signal conditioning in various electronic systems.
Overall, the LM211QDR is a reliable choice for engineers seeking a fast and efficient comparator with robust performance across diverse operating conditions.

Features

The LM211QDR is a dual comparator with a high-speed response and low power consumption. Key features include:
1. Dual Comparators: Contains two independent, high-gain, voltage comparators.
2. Wide Supply Voltage Range: Operates from 3V to 30V, making it versatile for various applications.
3. Low Input Offset Voltage: Typically 1mV, ensuring high precision in comparisons.
4. Fast Response Time: Slew rate of 1V/µs, enabling rapid signal response.
5. Open-Collector Output: Allows for flexibility in interfacing with different voltage levels.
6. Low Power Consumption: Quiescent current is typically low, enhancing battery life in portable applications.
7. Temperature Range: Rated for operation from -40°C to +125°C, suitable for automotive and industrial uses.
8. Hysteresis: Integrated hysteresis functionality for improved noise immunity.
These features make the LM211QDR suitable for a wide range of applications, including signal processing, level detection, and precision instrumentation.

Package

The LM211QDR is typically packaged in a SOIC-8 (Small Outline Integrated Circuit) type package. This surface-mount package accommodates the operational amplifier's functionality while providing a compact form factor suitable for various electronic applications.

Pinout

The LM211QDR is a dual voltage comparator with an 8-pin configuration, featuring a standard SOIC (Small Outline Integrated Circuit) package.
Pin Count: 8 pins
Pin Functions:
1. Pin 1 (Inverting Input, V-): Non-inverting input for Comparator A.
2. Pin 2 (Non-inverting Input, V+): Inverting input for Comparator A.
3. Pin 3 (Output, OUT A): Output for Comparator A.
4. Pin 4 (Ground, GND): Common ground reference for the device.
5. Pin 5 (Non-inverting Input, V-): Non-inverting input for Comparator B.
6. Pin 6 (Inverting Input, V+): Inverting input for Comparator B.
7. Pin 7 (Output, OUT B): Output for Comparator B.
8. Pin 8 (Supply Voltage, V+): Positive supply voltage input.
The LM211QDR is commonly used in applications requiring voltage comparison, such as threshold detection and signal conditioning.

Manufacturer

The LM211QDR is manufactured by Texas Instruments (TI), a major American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. The company is well-known for its analog electronics, embedded processors, and a wide range of components used in various applications, including automotive, industrial, consumer electronics, and communications. TI is recognized for its innovation in the field of electronics and is a key player in the global semiconductor industry.

Application

The LM211QDR is a dual comparator used in various applications, including voltage level detection, window comparators, over-voltage and under-voltage protection, current sensing, and analog signal processing. Its high-speed operation and low power consumption make it suitable for automotive, industrial, and consumer electronics applications.

Equivalent

Equivalent products to the LM211QDR include the LM2901, LM393, and TLV Comparator series. These chips may have similar functionality as voltage comparators but check specific electrical characteristics and packaging to ensure compatibility for your application. Always refer to the datasheets for precise specifications.

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