LM111JG

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LM111JG

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DIFFERENTIAL COMPARATOR WITH STR

  • HerstellerTexas Instruments

  • Herstellerteil #LM111JG

  • Datenblatt LM111JG DataSheet

  • Auf Lager2804

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Spezifikationen

Attribut Wert
Part Status Active
Type Differential
Number of Elements 1
Output Type Open-Collector, Open-Emitter
Voltage - Supply, Single / Dual (±) 3.5V ~ 30V, ±1.75V ~ 15V
Voltage - Input Offset (Max) 3mV @ ±15V
Current - Input Bias (Max) 0.1µA @ ±15V
Current - Quiescent (Max) 5mA, 6mA
Propagation Delay (Max) 165ns (Typ)
Operating Temperature -55°C ~ 125°C
Package / Case 8-CDIP (0.300", 7.62mm)
Mounting Type Through Hole
Supplier Device Package 8-CDIP

Übersicht

Description

The LM111JG is a precision voltage comparator designed for use in a variety of applications, including signal conditioning, level shifting, and analog-to-digital conversion. It features a high-speed response, with a typical propagation delay of 200 ns, making it suitable for fast switching applications. The LM111JG operates over a wide supply voltage range from 2.5 V to 36 V, allowing for flexibility in circuit design.
This comparator is equipped with an open-collector output, enabling it to interface easily with different logic levels and drive loads effectively. Its low input bias current and high input impedance help minimize loading effects on the circuits being monitored. The device also includes a built-in hysteresis feature to provide stability and reduce sensitivity to noise, enhancing performance in noisy environments.
The LM111JG is packaged in a dual in-line package (DIP) form factor, making it easy to integrate into various electronic designs. Overall, it is a reliable and versatile choice for applications requiring precise voltage comparisons.

Equivalent

The LM111JG is a precision voltage comparator. Equivalent products include the LM393LM339 and TLV3701. Other alternatives are the MCP6541 and the OPA2340, depending on specific application requirements such as supply voltage, speed, and output type. Always verify specifications and pin configurations when selecting a substitute.

Features

The LM111JG is a precision voltage comparator from Texas Instruments. Key features include:
1. Input Offset Voltage: Low offset voltage (typically 1 mV) for accurate comparisons.
2. Power Supply Range: Operates on dual or single supply from ±1.5V to ±18V, enhancing versatility in various applications.
3. High Gain: Offers a high open-loop gain of 100,000 V/V, ensuring a rapid response to input voltage differences.
4. Fast Response Time: Slew rate of 0.5 V/µs, which allows for quick signal comparison.
5. Wide Temperature Range: Temperature stability from -55°C to +125°C, making it suitable for harsh environments.
6. Low Power Consumption: Consumes only 300 µA, which is ideal for battery-powered devices.
7. Open-Collector Output: Provides flexibility in interfacing with different logic levels.
8. Latch-Up Protection: Robust against latch-up, enhancing reliability in various conditions.
These features make the LM111JG suitable for applications like voltage level detection, signal conditioning, and oscillators.

Pinout

The LM111JG is a precision voltage comparator with a total of 8 pins. Its primary functions include comparing two input voltages and providing a digital output based on the comparison. The pin configuration is as follows:
1. Output - Provides the output signal based on the comparison of the inputs.
2. Inverting Input (V-) - Receives the inverting input voltage.
3. Non-Inverting Input (V+) - Receives the non-inverting input voltage.
4. NC (No Connection) - Not connected internally; can be left unconnected.
5. Offset Null - Used for offset voltage adjustment.
6. Offset Null - Used for offset voltage adjustment (duplicate pin).
7. VCC - Positive supply voltage input.
8. GND - Ground reference.
The LM111 is designed for high-speed performance and can operate with various supply voltages, making it versatile for multiple applications in electronics, including signal conditioning and analog-to-digital conversions.

Manufacturer

The LM111JG is manufactured by Texas Instruments (TI), a prominent American technology company. Founded in 1930, Texas Instruments is best known for its development of semiconductors and various electronic components, including analog and digital signal processing devices. The company is a significant player in the semiconductor industry and specializes in products for various applications, including automotive, industrial, communications, and consumer electronics.
The LM111 is a precision voltage comparator that is part of TI's wide range of analog integrated circuits (ICs). These components are essential for a variety of electronic systems, providing the ability to compare voltages and produce output signals based on those comparisons. Texas Instruments is recognized for its innovation and engineering expertise, continually advancing technologies to meet the needs of modern electronics and systems design.

Application

The LM111JG is a precision voltage comparator widely used in various application areas, including:
1. Threshold Detection: For voltage level sensing in circuits.
2. Zero-Crossing Detectors: In phase-locked loops and signal processing.
3. Pulse Width Modulation: For motor control and power regulation.
4. Window Comparators: Monitoring voltage limits.
5. Signal Conditioning: Amplifying and filtering signals in sensors.
6. Data Acquisition Systems: Ensuring accurate data readings.
7. Voltage Level Shifting: In mixed-signal applications.
Its high-speed operation and low power consumption make it suitable for both analog and digital systems.

Package

The LM111JG is packaged in a 14-pin dual in-line package (DIP) configuration.

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