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LM111JG
+NomenclatureDIFFERENTIAL COMPARATOR WITH STR
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FabricantTexas Instruments
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Pièce fabricant #LM111JG
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Fiche technique LM111JG DataSheet
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En stock2804
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Spécifications
| Attribut | Valeur |
| 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 |
Présentation
Description
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
Features
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
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 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
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.