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7955 Datasheet: 18V Amplifier – onsemi

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Component 7955

Amplifiers — Manufactured by onsemi

The LM393 series consists of dual independent precision voltage comparators designed for versatility in both single and split-supply configurations. These devices feature a wide input common-mode range that includes ground, making them ideal for low-voltage sensing applications. With low input offset voltage and minimal current drain, they are highly efficient for consumer, industrial, and automotive control systems. The series is compatible with various logic families, including TTL, CMOS, and DTL, ensuring seamless integration into digital circuits. Automotive-grade variants (NCV prefix) are available, offering AEC-Q100 qualification for high-reliability environments.

-18V~-1V、1V~18V 0℃~+70℃ 1.3us 2 25nA 2V~36V 300ns 36V 400uA 5mV 5nA TTL、CMOS SOIC-8 Comparators ROHS

📦 SOIC-8
⚙️ Dual Precision Voltage Comparator
🌿 RoHS Compliant
  • Max Voltage (Vmax): 36V
  • Max Current (Imax): 20mA
  • Max Power (Pmax): 570mW
  • Operating Temperature: -40℃ to +150℃
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✨ Key Features

Split-supply range of ±1.0V to ±18V; wide single-supply range of 2.0V to 36V; low current drain of 0.4mA; low input offset voltage (5mV max); compatible with DTL, ECL, TTL, MOS, and CMOS logic; ESD clamps on inputs; Pb-free and RoHS compliant.

🎯 Applications

Consumer electronics, automotive control systems, industrial monitoring, battery management, and general-purpose signal level detection.

⚡ Electrical Characteristics

Input offset voltage ±2.0mV (typ); input bias current 25nA; response time 300ns (large signal); output sink current 6mA (min); supply current 0.4mA (typ).

⚠️ Absolute Maximum Ratings

Supply voltage 36V or ±18V; input differential voltage 36V; output voltage 36V; output sink current 20mA; junction temperature up to 150°C.

🔌 Pinout & Connection Diagram

Dual comparator configuration in 8-pin packages (PDIP-8, SOIC-8, Micro8). Pins include two non-inverting inputs, two inverting inputs, two outputs, VCC+, and GND/VCC-.

🔄 Equivalent & Alternative Components

  • LM293
  • LM2903
  • NCV2903

❓ Frequently Asked Questions

Can these comparators operate with a single supply?

Yes, they are designed to operate with a single supply ranging from 2.0V to 36V, with an input common-mode range that includes ground.

Are these devices suitable for automotive applications?

Yes, the NCV prefix devices are AEC-Q100 qualified and PPAP capable, specifically designed for automotive environments.


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