LM339 Quad Differential Comparator
- ⚖️ Quad differential comparator in one IC (4 channels)
- ⚡ Wide supply range for flexible power options
- 🔎 High sensitivity for precise threshold detection
- 🧩 Ideal for sensor triggering, zero-crossing, level detection
- 🚪 Open-collector outputs—easy pull-up for logic interfacing
- 📡 Works well with 3.3V/5V microcontrollers and TTL/CMOS
- 🛠️ Simple to build Schmitt triggers and window comparators
- 📦 Common DIP/SMD package options for prototyping/production
8,00 EGP
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Description
The LM339 Quad Differential Comparator is a low-power integrated circuit that contains four independent voltage comparators in a single package. Designed to operate from a wide supply voltage range, the LM339 features open-collector outputs, allowing flexible interfacing with TTL, CMOS, relays, and other logic devices. It is widely used in voltage monitoring, window comparators, zero-crossing detectors, and industrial control systems.
Key Features
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Four Independent Comparators
Enables multiple voltage comparisons in a single IC. -
Wide Operating Voltage Range
Supports single-supply and dual-supply operation. -
Low Power Consumption
Ideal for battery-powered and energy-efficient designs. -
Open-Collector Outputs
Allows wired-OR connections and easy interfacing. -
High Input Impedance
Minimizes loading on input signals.
Specifications
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IC Type: Quad Differential Comparator
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Model: LM339
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Number of Comparators: 4
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Supply Voltage:
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Single Supply: 2V to 36V
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Dual Supply: ±1V to ±18V
-
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Output Type: Open Collector
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Input Offset Voltage: ~2 mV (typical)
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Input Bias Current: ~25 nA (typical)
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Propagation Delay: ~1.3 µs
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Operating Temperature Range: 0°C to +70°C (commercial grade)
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Package Types: DIP-14 / SOIC-14
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Applications: Window comparator, level detection, over/under-voltage protection, zero-cross detection, signal conditioning
Specification
General
| Weight Weight | 0,002 g |
|---|---|
Dimensions
|
1,9 × 0,7 × 0,4 mm |
| Product Name |
LM339 Quad Differential Comparator |
| IC Type |
Quad Differential Comparator |
| Number of Comparators |
4 |
| Input Type |
Differential |
| Output Type |
Open Collector |
| Supply Voltage |
2V – 36V |
| Low Power Consumption |
Yes |
| Response Time |
Fast |
| Input Offset Voltage |
Low |
| Operating Temperature |
-40°C to +85°C |
| Package Type |
DIP-14 / SOP-14 |
| Application |
Voltage Comparison, Window Comparator, Level Detection, Signal Conditioning |
