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LM311DT
+BOMIC VOLTAGE COMPARATOR 8-SOIC
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Nhà sản xuấtSTMicroelectronics
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Ông. Phần #LM311DT
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Bảng dữ liệu LM311DT DataSheet
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Gói SOIC-8
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Có sẵn2187
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | General Purpose |
| NumberofElements | 1 |
| OutputType | DTL, MOS, Open-Collector, Open-Emitter, RTL, TTL |
| Voltage-SupplySingle/Dual(±) | 5V ~ 30V, ±2.5V ~ 15V |
| Voltage-InputOffset(Max) | 7.5mV @ ±15V |
| Current-InputBias(Max) | 0.25µA @ ±15V |
| Current-Output(Typ) | 50mA |
| Current-Quiescent(Max) | 7.5mA |
| OperatingTemperature | 0°C ~ 70°C |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Tổng quan
Description
This comparator is designed to provide fast response times, typically around 200 ns, allowing it to handle high-speed signal processing. It also has a flexible input, capable of comparing both differential and single-ended inputs. The output of the LM311DT is compatible with TTL, DTL, and CMOS logic levels, providing easy integration with digital systems.
Additionally, the LM311DT comes with a strobe functionality, which can be used to enable or disable the output. This feature is useful in applications requiring precise control of the comparator's output state. Its ability to sink or source current makes it a preferred choice for driving LED indicators and other load components directly. Overall, the LM311DT is valued for its reliability, versatility, and ease of use in various electronic circuits.
Equivalent
Features
1. Wide Supply Voltage Range: It operates over a wide range of supply voltages, from ±5V to ±15V, making it versatile for various applications.
2. High-Speed Operation: The LM311DT is capable of fast response times, typically with a propagation delay of around 200 nanoseconds, which is suitable for high-speed operations.
3. Low Input Offset Voltage: It has a low input offset voltage, typically around 2 mV, providing precise voltage comparison.
4. Output Compatibility: The output is compatible with TTL, DTL, ECL, MOS, and other logic families, enhancing its usability in different systems.
5. Adjustable Strobe Capability: It includes a strobe function that can be used for precision timing applications.
6. Wide Input Common-Mode Voltage Range: It allows for differential input voltages without the need for level shifting, simplifying circuit design.
7. Open-Collector Output: This feature enables wired-AND connections, useful in multiple comparator configurations.
These features make the LM311DT suitable for zero-crossing detectors, pulse-width modulation circuits, and various other signal processing tasks.
Pinout
1. Pin 1 (Ground): Connected to the ground or the negative supply voltage.
2. Pin 2 (Non-Inverting Input): The positive input for the comparator.
3. Pin 3 (Inverting Input): The negative input for the comparator.
4. Pin 4 (Vcc+): Positive supply voltage terminal.
5. Pin 5 (Balance): Used for offset voltage balancing, not often used in standard applications.
6. Pin 6 (Balance/Strobe): Can be used for either balancing the offset voltage or strobing the output.
7. Pin 7 (Output): The output of the comparator; it is an open collector output.
8. Pin 8 (Vcc-): Negative supply voltage terminal, typically connected to ground in single supply applications.
The LM311 is a versatile comparator used in various applications, including zero-crossing detectors, relaxation oscillators, and high-speed voltage compare circuits.
Manufacturer
Founded in 1987 through the merger of SGS Microelettronica of Italy and Thomson Semiconducteurs of France, STMicroelectronics has established itself as a key player in the semiconductor industry. Its headquarters are situated in Geneva, Switzerland, and it operates worldwide with significant R&D, manufacturing, and sales operations across Europe, Asia, and the Americas. STMicroelectronics focuses on innovation and sustainability, aiming to provide technology solutions that enhance the quality of life and contribute to environmental sustainability.