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LM339DG
+Lista de MateriaisIC COMPARATOR QUAD SGL 14-SOIC
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Fabricanteonsemi
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Peça do Fabricante #LM339DG
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Pacote SOIC-14
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Em Estoque5314
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Especificações
| Atributo | Valor |
| Package / Case | Tube,Tube |
| Part Status | Obsolete |
| Type | General Purpose |
| Number of Elements | 4 |
| Output Type | CMOS, Open-Collector, TTL |
| Voltage - Supply, Single/Dual (±) | 3V ~ 36V, ±1.5V ~ 18V |
| Voltage - Input Offset (Max) | 5mV @ 5V |
| Current - Input Bias(Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 16mA @ 5V |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the LM339DG include a wide supply voltage range, typically from 2V to 36V, and low power consumption, making it suitable for battery-operated devices. It operates over a wide temperature range, which enhances its reliability in various environmental conditions. The open-collector output design of the LM339DG allows it to interface with various voltage levels and logic families without additional components.
The LM339DG is available in various package types, such as SOIC (Small Outline Integrated Circuit), to suit different space and mounting requirements. Its versatility and cost-effectiveness make it a popular choice in both consumer electronics and industrial applications. Additionally, the device's high input impedance and low output saturation voltage add to its efficiency in a wide range of comparator applications.
Equivalent
Features
1. Wide Supply Voltage Range: Operates from 2V to 36V, suitable for a variety of applications.
2. Low Supply Current Drain: Minimizes power consumption for efficient operation.
3. Low Input Bias Current: Typically around 25 nA, useful for precision applications.
4. Low Input Offset Voltage: Ensures accurate and consistent comparison.
5. Differential Input Voltage Range: Equivalent to the supply voltage which enhances design flexibility.
6. Output Compatibility: Open-collector outputs allow operation with TTL and CMOS logic levels.
7. Common-mode Input Voltage Range: Includes ground, making it useful in single-supply applications.
8. Temperature Range: Operates efficiently across a wide temperature range, typically from -40°C to +85°C.
These features make the LM339DG suitable for applications like zero-crossing detectors, oscillators, and voltage level detection circuits.
Pinout
Here’s a concise pinout description for the LM339DG:
- Pins 1, 2, 3: Inputs for Comparator 1 (Inverting, Non-inverting, and Output respectively)
- Pins 4, 5, 6: Inputs for Comparator 2 (Inverting, Non-inverting, and Output respectively)
- Pin 7: Ground (GND)
- Pin 8: Inputs for Comparator 3 (Output)
- Pin 9, 10: Inputs for Comparator 3 (Non-inverting, Inverting)
- Pin 11, 12: Inputs for Comparator 4 (Output, Non-inverting)
- Pin 13: Input for Comparator 4 (Inverting)
- Pin 14: Positive Supply Voltage (VCC)
The LM339DG operates over a wide range of supply voltages and is commonly used for applications needing multiple voltage comparisons simultaneously, such as in level shifters, zero-crossing detectors, and voltage sensing circuits.
Manufacturer
ON Semiconductor, now known as onsemi, is a multinational company that designs and manufactures a wide range of semiconductor components. The company specializes in power and signal management, logic, discrete, and custom devices for automotive, industrial, communications, computing, consumer, medical, and military/aerospace applications. Onsemi is known for its focus on energy-efficient innovations, producing components that help reduce electricity consumption and enhance the performance of electronic devices.
Application
1. Voltage Level Detection: It can detect voltage levels for power supply monitoring.
2. Oscillators: Used in generating square wave outputs for timing applications.
3. Zero-Crossing Detectors: Essential in AC/DC signal processing.
4. Analog-to-Digital Converters (ADC): Acts as a front-end comparator.
5. Sensor Signal Conditioning: Interprets analog signals from sensors.
6. Window Comparators: Used in monitoring signal ranges in circuits.
7. Pulse Width Modulation (PWM): Useful in motor and light dimming controls.
These applications utilize the LM339DG due to its low power consumption and capability to operate over a wide range of voltages.