Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Type | Differential |
| Number of Elements | 2 |
| Output Type | CMOS, MOS, Open-Collector, TTL |
| 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 |
| Mounting Type | Surface Mount |
Tổng quan
Description
The LM2903QDRQ1 is a dual comparator integrated circuit designed for automotive and other industrial applications, produced by Texas Instruments. It belongs to the LM2903 series and is part of the Q1 family, signifying that it meets automotive-grade quality standards. The device operates from a single power supply, ranging from 2V to 36V, or from dual supplies, which makes it suitable for a wide range of applications.
Key features of the LM2903QDRQ1 include low input bias current, low offset voltage, and the ability to operate over a wide temperature range, which is essential for automotive environments. It comes with open-collector outputs, allowing for wired logic connections and interfacing with a variety of voltages. The device is typically offered in a SOIC-8 package, providing a compact solution for circuit design.
The LM2903QDRQ1 is ideal for applications such as signal conditioning, zero-crossing detectors, and voltage monitoring, where reliable and precise comparisons of voltages are necessary.
Key features of the LM2903QDRQ1 include low input bias current, low offset voltage, and the ability to operate over a wide temperature range, which is essential for automotive environments. It comes with open-collector outputs, allowing for wired logic connections and interfacing with a variety of voltages. The device is typically offered in a SOIC-8 package, providing a compact solution for circuit design.
The LM2903QDRQ1 is ideal for applications such as signal conditioning, zero-crossing detectors, and voltage monitoring, where reliable and precise comparisons of voltages are necessary.
Equivalent
The LM2903QDRQ1 is a dual differential comparator. Equivalent products include:
1. LM393 series (e.g., LM393 LM393D, LM393N)
2. MC3302 series from ON Semiconductor
3. LMV393 from Texas Instruments
4. MAX9032 from Maxim Integrated
5. TLV7032 from Texas Instruments
When selecting an equivalent, ensure compatibility in terms of electrical characteristics, package type, and temperature range.
1. LM393 series (e.g., LM393 LM393D, LM393N)
2. MC3302 series from ON Semiconductor
3. LMV393 from Texas Instruments
4. MAX9032 from Maxim Integrated
5. TLV7032 from Texas Instruments
When selecting an equivalent, ensure compatibility in terms of electrical characteristics, package type, and temperature range.
Features
The LM2903QDRQ1 is a dual comparator from Texas Instruments, designed for automotive and industrial applications. Key features include:
1. Automotive Grade: It is AEC-Q100 qualified, ensuring high reliability in automotive applications.
2. Wide Supply Voltage Range: Operates from 2 V to 36 V, accommodating various power supply conditions.
3. Low Input Offset Voltage: Typically around 2 mV, providing precise voltage comparison.
4. Open-Collector Outputs: Allows for wired-OR connections and compatibility with different logic levels.
5. Low Supply Current: Typically around 0.4 mA per comparator, making it energy efficient.
6. Temperature Range: Supports an extended operating temperature range from -40°C to 125°C, suitable for harsh environments.
7. Package Options: Available in a small SOIC package, facilitating space-saving designs.
8. High Input Impedance: Ensures minimal loading of the input signal source.
These features make the LM2903QDRQ1 a versatile choice for designing robust and efficient comparator circuits in automotive and industrial settings.
1. Automotive Grade: It is AEC-Q100 qualified, ensuring high reliability in automotive applications.
2. Wide Supply Voltage Range: Operates from 2 V to 36 V, accommodating various power supply conditions.
3. Low Input Offset Voltage: Typically around 2 mV, providing precise voltage comparison.
4. Open-Collector Outputs: Allows for wired-OR connections and compatibility with different logic levels.
5. Low Supply Current: Typically around 0.4 mA per comparator, making it energy efficient.
6. Temperature Range: Supports an extended operating temperature range from -40°C to 125°C, suitable for harsh environments.
7. Package Options: Available in a small SOIC package, facilitating space-saving designs.
8. High Input Impedance: Ensures minimal loading of the input signal source.
These features make the LM2903QDRQ1 a versatile choice for designing robust and efficient comparator circuits in automotive and industrial settings.
Pinout
The LM2903QDRQ1 is a dual comparator integrated circuit. It typically comes in an 8-pin package. Here is a concise description of its pin functions:
1. VCC (Pin 8): This is the power supply pin to which a positive voltage is applied.
2. GND (Pin 4): This is the ground pin connected to the negative supply voltage.
3. INverting Input 1 (Pin 2): The inverting input for the first comparator.
4. Non-INverting Input 1 (Pin 3): The non-inverting input for the first comparator.
5. OUTput 1 (Pin 1): The output of the first comparator.
6. INverting Input 2 (Pin 6): The inverting input for the second comparator.
7. Non-INverting Input 2 (Pin 5): The non-inverting input for the second comparator.
8. OUTput 2 (Pin 7): The output of the second comparator.
The LM2903QDRQ1 can be used in various applications requiring voltage comparison, like zero-crossing detectors, level shifters, and more. It is part of the automotive-qualified series, making it suitable for automotive applications.
1. VCC (Pin 8): This is the power supply pin to which a positive voltage is applied.
2. GND (Pin 4): This is the ground pin connected to the negative supply voltage.
3. INverting Input 1 (Pin 2): The inverting input for the first comparator.
4. Non-INverting Input 1 (Pin 3): The non-inverting input for the first comparator.
5. OUTput 1 (Pin 1): The output of the first comparator.
6. INverting Input 2 (Pin 6): The inverting input for the second comparator.
7. Non-INverting Input 2 (Pin 5): The non-inverting input for the second comparator.
8. OUTput 2 (Pin 7): The output of the second comparator.
The LM2903QDRQ1 can be used in various applications requiring voltage comparison, like zero-crossing detectors, level shifters, and more. It is part of the automotive-qualified series, making it suitable for automotive applications.
Manufacturer
The LM2903QDRQ1 is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company based in Dallas, Texas, known for designing and manufacturing a wide range of electronic components and systems. TI's product portfolio includes analog and embedded processing products, which are used in various applications across industries such as automotive, industrial, consumer electronics, and communications equipment.
Founded in 1930, Texas Instruments has established itself as a leader in the technology sector through innovation and a strong focus on research and development. The company is recognized for its contributions to advancements in electronics, particularly in analog technology, digital signal processing, and microcontroller manufacturing. As a Fortune 500 company, TI is known for its commitment to quality, reliability, and customer support, serving a diverse global customer base.
Founded in 1930, Texas Instruments has established itself as a leader in the technology sector through innovation and a strong focus on research and development. The company is recognized for its contributions to advancements in electronics, particularly in analog technology, digital signal processing, and microcontroller manufacturing. As a Fortune 500 company, TI is known for its commitment to quality, reliability, and customer support, serving a diverse global customer base.
Application
The LM2903QDRQ1 is a dual differential comparator commonly used in automotive and industrial applications. Its key application areas include voltage monitoring, over/under-voltage protection, and zero-crossing detection. It is also utilized in analog-to-digital conversion circuits, power management systems, and sensor interface circuits. The LM2903QDRQ1's ability to operate over a wide temperature range makes it suitable for harsh environments, and its AEC-Q100 qualification ensures reliability in automotive applications. Additionally, it can be used in battery management systems, motor control, and various signal processing tasks.
Package
The LM2903QDRQ1 is a dual comparator integrated circuit commonly used in automotive applications. It comes in an SOIC-8 (Small Outline Integrated Circuit) package type, which is an 8-pin surface-mount package.
