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LM293DR
+NomenclatureIC COMPARATOR DIFF DUAL 8SOIC
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FabricantTexas Instruments
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Pièce fabricant #LM293DR
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Package SOIC-8
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En stock7646
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Differential |
| Number of Elements | 2 |
| Output Type | CMOS, MOS, Open-Drain, TTL |
| Voltage - Supply, Single/Dual (±) | 2V ~ 36V, ±1V ~ 18V |
| Voltage - Input Offset (Max) | 5mV @ 30V |
| Current - Input Bias(Max) | 0.25µA @ 5V |
| Current - Output (Typ) | 20mA |
| Current - Quiescent (Max) | 2.5mA |
| Operating Temperature | -25°C ~ 85°C |
| Mounting Type | Surface Mount |
Présentation
Description
Key characteristics include a wide supply voltage range from 2V to 36V and a typical input offset voltage of 5mV. The device is capable of driving most TTL, DTL, and MOS logic families. Housed in a SOIC-8 package, it is suitable for surface-mount applications, making it versatile for compact designs. The LM293DR operates efficiently in a temperature range of -40°C to 125°C, which makes it suitable for various industrial environments.
It is typically used in applications such as signal conditioning, waveform generators, and voltage level shifting. Its robust performance and reliability make it a popular choice for designers in need of an efficient, dual comparator solution.
Equivalent
1. LM393DR by Texas Instruments
2. LM393 by ON Semiconductor
3. LM393N by STMicroelectronics
4. MC3302 by ON Semiconductor
5. TLV1702 by Texas Instruments
These components offer similar functionality and are often used interchangeably in electronic circuits, though variations in specifications and package types should be considered.
Features
1. Wide Supply Voltage Range: Operates from 2V to 36V, accommodating various applications.
2. Low Input Offset Voltage: Typically around 2mV, ensuring precision in signal comparison.
3. Low Input Bias Current: Around 25nA, reducing the impact on high-impedance sources.
4. Low Output Saturation Voltage: Typically 200mV at 4mA, facilitating better interfacing with logic circuits.
5. Wide Input Common-Mode Voltage Range: Includes ground, suitable for single-supply operations.
6. Low Power Consumption: Minimal power use makes it suitable for battery-powered devices.
7. Operating Temperature Range: -40°C to 85°C, ensuring reliability in diverse environments.
8. Fast Response Time: Capable of quick comparisons, useful in high-speed applications.
9. Dual Comparators: Contains two independent voltage comparators in a single package.
10. Standard SOIC-8 Package: Facilitates easy integration into circuit designs.
The LM293DR is ideal for applications such as zero-crossing detectors, voltage level translators, and general-purpose voltage comparison tasks.
Pinout
1. Pin 1 (OUT A): Output of comparator A.
2. Pin 2 (IN- A): Inverting input of comparator A.
3. Pin 3 (IN+ A): Non-inverting input of comparator A.
4. Pin 4 (GND): Ground connection.
5. Pin 5 (IN+ B): Non-inverting input of comparator B.
6. Pin 6 (IN- B): Inverting input of comparator B.
7. Pin 7 (OUT B): Output of comparator B.
8. Pin 8 (VCC): Supply voltage.
The LM293DR is used to compare two input voltages and provides a digital output based on which input is higher. It can operate with a single or dual power supply and is widely used in applications such as signal processing and analog-to-digital conversion.