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LM2903VQDRQ1
+Lista de MateriaisIC COMPARATOR 2 DIFF 8SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #LM2903VQDRQ1
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Type | Standard (General Purpose) |
| Number of Elements | 2 |
| Output Type | Open-Collector, Rail-to-Rail |
| Voltage - Supply, Single / Dual (±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage - Input Offset (Max) | 7mV @ 5V |
| Current - Input Bias (Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 20mA |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | -40°C ~ 125°C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 8-SOIC |
| Base Product Number | LM2903 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Visão Geral
Description
The LM2903VQDRQ1 is a dual comparator integrated circuit (IC) designed for automotive applications and is part of Texas Instruments' automotive-grade product line. It features two independent, high-speed voltage comparators that can operate from a single power supply voltage ranging from 2 to 36 volts. The LM2903VQDRQ1 is characterized by low input offset voltage, which enhances precision in comparing analog signals.
Key features include an output that can sink up to 50 mA, making it suitable for driving loads directly, and a wide temperature range, ensuring reliable performance in harsh automotive environments. The IC also includes a power-saving mode, making it energy-efficient.
It is housed in a VQFN package, providing a compact form factor ideal for space-constrained designs. Applications include voltage level detection, signal conditioning, and various automotive control systems. The LM2903VQDRQ1 is designed to meet stringent automotive standards, ensuring longevity and robustness in automotive electronics.
Key features include an output that can sink up to 50 mA, making it suitable for driving loads directly, and a wide temperature range, ensuring reliable performance in harsh automotive environments. The IC also includes a power-saving mode, making it energy-efficient.
It is housed in a VQFN package, providing a compact form factor ideal for space-constrained designs. Applications include voltage level detection, signal conditioning, and various automotive control systems. The LM2903VQDRQ1 is designed to meet stringent automotive standards, ensuring longevity and robustness in automotive electronics.
Equivalent
The LM2903VQDRQ1 is a dual comparator. Equivalent products include the LM393 (dual comparator), LM2903 (standard version), MCP606 (low-power comparator), and TLV3701 (high-speed comparator). Always check specific datasheet parameters to ensure compatibility based on your application requirements.
Features
The LM2903VQDRQ1 is a dual voltage comparator designed for automotive applications with several key features:
1. Dual Comparator: Contains two independent, high-gain voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating various automotive power levels.
3. Low Input Offset Voltage: Ensures high accuracy with a maximum offset of 2mV.
4. Rail-to-Rail Output: Provides output voltage swing close to the supply rails, enhancing performance in low-voltage applications.
5. High-Speed Operation: Features a fast response time of approximately 1.5µs, suitable for rapid signal changes.
6. Low Power Consumption: Consumes minimal current, enhancing efficiency in battery-powered systems.
7. Automotive Grade: Qualified to AEC-Q100 standards, ensuring reliability in harsh automotive environments.
8. Temperature Range: Operates effectively across a temperature range of -40°C to +125°C.
These features make the LM2903VQDRQ1 ideal for applications in automotive electronics, such as monitoring battery levels and other critical system functions.
1. Dual Comparator: Contains two independent, high-gain voltage comparators.
2. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating various automotive power levels.
3. Low Input Offset Voltage: Ensures high accuracy with a maximum offset of 2mV.
4. Rail-to-Rail Output: Provides output voltage swing close to the supply rails, enhancing performance in low-voltage applications.
5. High-Speed Operation: Features a fast response time of approximately 1.5µs, suitable for rapid signal changes.
6. Low Power Consumption: Consumes minimal current, enhancing efficiency in battery-powered systems.
7. Automotive Grade: Qualified to AEC-Q100 standards, ensuring reliability in harsh automotive environments.
8. Temperature Range: Operates effectively across a temperature range of -40°C to +125°C.
These features make the LM2903VQDRQ1 ideal for applications in automotive electronics, such as monitoring battery levels and other critical system functions.
Pinout
The LM2903VQDRQ1 is a dual comparator integrated circuit with a total of 8 pins. Its primary functions include:
1. Input Pins: It has two comparator inputs for each of the two comparators (inverting and non-inverting).
2. Output Pins: Each comparator has an output pin that provides a high or low signal based on the comparison of the input voltages.
3. Power Supply Pins: It includes V+ for positive supply voltage and ground (GND).
The LM2903 is designed for applications requiring signal comparison, such as analog-to-digital conversion, voltage level detection, and many other control systems. It's notable for its low power consumption and capability to operate over a wide voltage range.
1. Input Pins: It has two comparator inputs for each of the two comparators (inverting and non-inverting).
2. Output Pins: Each comparator has an output pin that provides a high or low signal based on the comparison of the input voltages.
3. Power Supply Pins: It includes V+ for positive supply voltage and ground (GND).
The LM2903 is designed for applications requiring signal comparison, such as analog-to-digital conversion, voltage level detection, and many other control systems. It's notable for its low power consumption and capability to operate over a wide voltage range.
Manufacturer
The LM2903VQDRQ1 is manufactured by Texas Instruments (TI), a prominent American technology company. Established in 1930 and headquartered in Dallas, Texas, Texas Instruments is a leading developer and manufacturer of semiconductor products and integrated circuits. The company specializes in a wide range of applications, including analog electronics, embedded processors, and digital signal processing (DSP). TI serves various sectors such as automotive, industrial, personal electronics, communications, and computing. The LM2903 is a dual comparator IC designed for various signal processing applications, making it a versatile component in electronic design. Texas Instruments is recognized for its innovation, quality, and extensive portfolio of semiconductor solutions, contributing significantly to the advancement of modern electronics.
Application
The LM2903VQDRQ1 is a dual comparator integrated circuit used in various applications, including automotive systems, industrial automation, and consumer electronics. Its key application areas include:
1. Voltage Level Detection: Monitoring specific voltage thresholds in battery management systems.
2. Signal Conditioning: Processing analog signals in data acquisition systems.
3. Hysteresis Control: Implementing Schmitt trigger functions for noise immunity.
4. Window Comparators: Establishing voltage windows for over/under voltage protection.
5. Temperature Sensing: Integrating with temperature sensors for control systems.
Its low-power operation and wide supply voltage range make it suitable for these diverse applications.
1. Voltage Level Detection: Monitoring specific voltage thresholds in battery management systems.
2. Signal Conditioning: Processing analog signals in data acquisition systems.
3. Hysteresis Control: Implementing Schmitt trigger functions for noise immunity.
4. Window Comparators: Establishing voltage windows for over/under voltage protection.
5. Temperature Sensing: Integrating with temperature sensors for control systems.
Its low-power operation and wide supply voltage range make it suitable for these diverse applications.
Package
The LM2903VQDRQ1 is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically the 14-pin VQFN package. This type of packaging provides a compact design with a small footprint and efficient thermal performance.
