Images are for reference only
LM2901MX
+BOMLM2901-N LOW OFFSET, QUAD DIFFER
-
ManufacturerNational Semiconductor
-
Mfr. Part #LM2901MX
-
Datasheet LM2901MX DataSheet
-
Package SOIC-14
-
In Stock2164
365 Days Quality Guarantee
7*24 hours service quarantee
90-day after-sales guarantee
Genuine Product Guarantee
Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Obsolete |
| Type | General Purpose |
| NumberofElements | 4 |
| OutputType | DTL, MOS, Open-Collector, TTL |
| Voltage-SupplySingle/Dual(±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage-InputOffset(Max) | 7mV @ 5V |
| Current-InputBias(Max) | 0.25µA @ 5V |
| Current-Output(Typ) | 18mA @ 5V |
| Current-Quiescent(Max) | 2.5mA |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 14-SOIC (0.154, 3.90mm Width) |
| MountingType | Surface Mount |
Overview
Description
Key features of the LM2901MX include low power consumption, wide supply voltage range, and the ability to operate with single or dual power supplies. Each comparator in the quad configuration can independently compare two voltages and deliver an output signal indicating which voltage is higher. The open-collector output allows for wired-AND configurations and interfacing with various logic levels.
The LM2901MX is commonly used in applications such as zero-crossing detectors, voltage level detectors, and operational amplifier circuits. Its versatility and robust performance make it ideal for automotive, industrial, and consumer electronics applications. The MX suffix typically refers to the package type, which is often a surface-mount package suitable for compact PCBs.
Equivalent
1. LM339 - A similar quad comparator with identical functionality.
2. LM2901N- Another variant in the same family with different packaging.
3. TL074 - Offers similar functionality but may have differences in specifications.
4. MC3302 - Another quad comparator with comparable features.
5. LMC6484 - A CMOS version with similar applications.
Compatibility may vary based on specific application requirements and electrical characteristics.
Features
1. Quad Comparators: Contains four independent voltage comparators.
2. Wide Supply Voltage: Operates over a range of 2V to 36V (single supply) or ±1V to ±18V (dual supply).
3. Low Power Consumption: Designed for minimal power drain, enhancing energy efficiency.
4. Low Input Offset Voltage: Typically around 2mV, which ensures accurate comparison.
5. Open Collector Outputs: Allows for wired logic connections, suitable for various logic functions.
6. Wide Input Common-Mode Voltage Range: Can accommodate inputs close to the ground and VCC.
7. TTL and CMOS Compatible: Easily interfaces with various digital logic systems.
8. Temperature Range: Operates effectively over automotive temperature ranges, making it versatile for different environments.
9. Robust Design: Includes features for enhanced reliability in challenging conditions.
These characteristics make the LM2901MX ideal for applications in automotive, industrial, and consumer electronics where reliable and efficient voltage comparison is required.
Pinout
1. VCC (Pin 3): Positive supply voltage.
2. GND (Pin 12): Ground.
3. Input A+ (Pin 2), Input A- (Pin 1): Non-inverting and inverting inputs for comparator A.
4. Output A (Pin 14): Output for comparator A.
5. Input B+ (Pin 5), Input B- (Pin 6): Non-inverting and inverting inputs for comparator B.
6. Output B (Pin 7): Output for comparator B.
7. Input C+ (Pin 9), Input C- (Pin 8): Non-inverting and inverting inputs for comparator C.
8. Output C (Pin 10): Output for comparator C.
9. Input D+ (Pin 11), Input D- (Pin 13): Non-inverting and inverting inputs for comparator D.
10. Output D (Pin 4): Output for comparator D.
Each comparator compares the voltage between its inverting and non-inverting inputs and outputs a signal based on which is higher.
Manufacturer
Application
1. Voltage Level Detection: Identifying over-voltage, under-voltage, or zero-crossing conditions in power supplies and battery-operated devices.
2. Oscillator Circuits: Generating square waves for timing applications.
3. Analog-to-Digital Converters (ADCs): Facilitating signal conversion by comparing input voltages with reference levels.
4. Window Detectors: Monitoring voltage levels within a specified range.
5. Pulse Width Modulation (PWM) Circuits: Used in motor control and signal processing.
6. Sensor Interface: Reading outputs from various sensors like temperature and pressure sensors.
These applications benefit from its low-power consumption and wide supply voltage range.