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LM2901Q4T
+Lista de MateriaisIC COMPARATOR 4 GEN PUR 16QFN
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FabricanteSTMicroeletrônica
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Peça do Fabricante #LM2901Q4T
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| Type | Standard (General Purpose) |
| NumberofElements | 4 |
| OutputType | CMOS, DTL, MOS, Open-Collector, TTL |
| Voltage-Supply,Single/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Current-Quiescent(Max) | 2.5mA |
| Package/Case | 16-VFQFN Exposed Pad |
| MountingType | Surface Mount |
| SupplierDevicePackage | 16-QFN (3x3) |
| BaseProductNumber | LM2901 |
Visão Geral
Description
Key features include low input offset voltage, high speed, and low power consumption, which make it ideal for battery-powered devices and precision applications. The device also exhibits a common-mode input voltage range that extends from the negative supply voltage up to 1.5 volts below the positive supply, enhancing its usability in different configurations.
The LM2901Q4T is commonly used in signal conditioning, threshold detection, and analog-to-digital conversion applications. Its robustness and adaptability make it a popular choice among engineers and designers in various industrial and consumer electronics projects.
Equivalent
Features
1. Quad Configuration: Contains four independent comparators in a single package, saving space and simplifying design.
2. Wide Supply Voltage Range: Operates from a single power supply of 2V to 36V, or dual supplies of ±1V to ±18V, offering flexibility in various circuits.
3. High Input Impedance: Ensures minimal loading on the signal source, enhancing accuracy.
4. Low Input Offset Voltage: Typically 2 mV, providing high precision in comparison operations.
5. Output Stage: Open-collector outputs allow easy interfacing with different logic levels and can drive loads directly.
6. Temperature Range: Qualified for automotive applications, it operates from -40°C to +125°C.
7. Fast Response Time: Slew rate of 1V/µs for quick signal processing.
These features make the LM2901Q4T suitable for applications such as signal conditioning, voltage level detection, and various analog signal processing tasks.
Pinout
1. Offset Null: Adjusts the offset voltage.
2. Inverting Input (Comparator 1): Input for comparison.
3. Non-Inverting Input (Comparator 1): Input for comparison.
4. Output (Comparator 1): Output signal indicating the result of the comparison.
5. Ground: Common ground reference.
6. Output (Comparator 2): Output signal for the second comparator.
7. Non-Inverting Input (Comparator 2): Input for comparison.
8. Inverting Input (Comparator 2): Input for comparison.
9. Output (Comparator 3): Output signal for the third comparator.
10. Non-Inverting Input (Comparator 3): Input for comparison.
11. Inverting Input (Comparator 3): Input for comparison.
12. Output (Comparator 4): Output signal for the fourth comparator.
13. Non-Inverting Input (Comparator 4): Input for comparison.
14. Inverting Input (Comparator 4): Input for comparison.
The device is widely used in various applications including signal conditioning, voltage level detection, and window comparators.
Manufacturer
Application
1. Voltage Level Detection: Monitoring and comparing voltage levels for system control.
2. Zero Crossing Detection: Used in AC applications to detect when the voltage crosses zero.
3. Signal Conditioning: Amplifying or filtering signals in measurement systems.
4. Timer and Oscillator Circuits: Generating precise timing or frequency signals.
5. Comparator Circuits: Implementing hysteresis for noise immunity in digital systems.
6. Analog-to-Digital Conversion: Assisting in converting analog signals to digital.
Its low power consumption and wide supply voltage range make it suitable for portable and battery-operated devices.