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LOW POWER SUPER SMALL-SIZED SING |
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LOW POWER AND LOW OFFSET VOLTAGE |
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New Japan Radio (NJR) |
RAIL-TO-RAIL INPUT PUSH-PULL OUT |
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New Japan Radio (NJR) |
SINGLE-SUPPLY DUAL COMPARATOR |
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New Japan Radio (NJR) |
IC COMPARATOR DUAL CMOS 8-DIP |
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New Japan Radio (NJR) |
IC COMPARATOR DL BIPO 8DMP |
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New Japan Radio (NJR) |
IC COMPARATOR DUAL CMOS 8-DMP |
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New Japan Radio (NJR) |
IC COMPARATOR DL BIPO 8DMP |
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New Japan Radio (NJR) |
IC COMPARATOR DL BIPO 8DMP |
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New Japan Radio (NJR) |
IC COMPARATOR DIFF HS 8-DMP |
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New Japan Radio (NJR) |
IC VOLT COMPARATOR BIPO 14SSOP |
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New Japan Radio (NJR) |
IC COMPARATOR DIFF HS 8EMP |
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New Japan Radio (NJR) |
IC COMPARATOR SGL BIPO SOT23-5 |
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New Japan Radio (NJR) |
IC COMPARATOR DL BIPO 8DMP |
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New Japan Radio (NJR) |
IC PREC COMPARATOR DUAL HS 14DIP |
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New Japan Radio (NJR) |
IC COMPARATOR DIFF HS 8DIP |
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New Japan Radio (NJR) |
IC COMPARATOR DL BIPO 8DMP |
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New Japan Radio (NJR) |
IC COMPARATOR DUAL CMOS 8-DMP |
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New Japan Radio (NJR) |
IC PREC COMPARATOR DUAL HS 14DMP |
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New Japan Radio (NJR) |
IC PREC COMPARATOR DUAL 8-DIP |
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Linear comparators are analog integrated circuits designed to compare two voltage signals and output a digital signal indicating which voltage is higher. They serve as fundamental components in electronic systems, enabling decision-making processes in applications ranging from voltage level detection to waveform shaping. Their importance spans industries such as industrial automation, consumer electronics, automotive systems, and medical devices, where precise signal comparison is critical.
| Type | Functional Features | Application Examples |
|---|---|---|
| General-Purpose Comparators | Basic voltage comparison with moderate speed and accuracy | Simple threshold detection in appliances |
| Precision Comparators | Low offset voltage and high accuracy | Instrumentation and measurement equipment |
| High-Speed Comparators | Sub-nanosecond response times | RF signal processing and oscilloscopes |
| Low-Power Comparators | Ultra-low quiescent current | Battery-powered IoT devices |
| Window Comparators | Detect if input voltage falls within a defined range | Power supply monitoring systems |
A linear comparator typically consists of:
Common package types include SOIC, SOT-23, and TSSOP. Advanced designs integrate hysteresis circuits or voltage references.
| Parameter | Description | Importance |
|---|---|---|
| Input Offset Voltage | Maximum voltage difference required to switch output | Determines comparison accuracy |
| Propagation Delay | Time between input change and output response | Critical for high-speed applications |
| Supply Voltage Range | Operating voltage range (e.g., 2.7V-36V) | Dictates system power design |
| Power Consumption | Quiescent current under active/idle conditions | Battery life optimization |
| Hysteresis | Voltage margin to prevent oscillation near thresholds | Improves noise immunity |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| TI (Texas Instruments) | LM393 | Dual comparator, 2.0V-36V supply, 1.3 A quiescent current |
| STMicroelectronics | TLV3201 | 1.8V supply, 40ns propagation delay |
| Analog Devices | AD8561 | Single-supply, 7ns response time |
| ON Semiconductor | NCS2250 | Zero-drift architecture, 10 V offset |