LM392N Comparator IC DIP-8

Description

LM392N Comparator IC DIP-8 The LM392N is a versatile monolithic integrated circuit that contains two independent building blocks: a high-gain operational amplifier and a precision voltage comparator. This combination provides two essential analog functions in a single 8-pin package, simplifying circuit design and reducing component count. Both circuits are specifically engineered to operate efficiently from a single power supply, making them highly practical for a wide range of applications. A key characteristic of the LM392N is its ability to operate from a single power supply over a wide voltage range, from 3V to 32V, eliminating the need for dual positive and negative supplies in many designs. The input stages of both the op-amp and the comparator are designed to common-mode down to ground level. This allows the device to sense input signals at or near the ground potential, which is a significant advantage when interfacing with sensors or signals referenced to ground in a single-supply system. The operational amplifier is internally frequency compensated for unity gain stability and offers a wide output voltage swing. The comparator features a low output saturation voltage, ensuring its output is compatible with various logic families, including TTL and CMOS, without requiring additional interface components. Furthermore, the device exhibits a low supply current drain that remains largely independent of the supply voltage, making it exceptionally suitable for battery-operated and other power-sensitive portable equipment. Features: Combines an Op-Amp and a Voltage Comparator in One Package. Wide Single-Supply Voltage Range: 3V to 32V. Operates from Split (Dual) Supplies: ±1.5V to ±16V. Low Supply Current Drain (600 µA Typ) – Essentially Independent of Supply Voltage. Input Common-Mode Voltage Range Includes Ground. Low Input Bias Current: 50 nA. Low Input Offset Voltage: 2 mV. Op-Amp is Internally Frequency Compensated for Unity Gain. Comparator Output Compatible with TTL, DTL, ECL, MOS, and CMOS Logic. Pin-for-Pin Compatible with LM358 (Dual Op-Amp) and LM393 (Dual Comparator). Specifications: Parameter Specification Function: Op-Amp + Voltage Comparator Number of Circuits: 1 Op-Amp, 1 Comparator Supply Voltage (Single): 3V to 32V Supply Current: 0.5 mA to 1 mA (at V+ = 5V) Input Offset Voltage (Max): 5 mV Input Bias Current (Max): 250 nA Op-Amp Gain Bandwidth: 1 MHz Comparator Response Time: 300 ns Output Saturation Voltage: 250 mV (at 4 mA) Input Common-Mode Range: 0V to V+ – 1.5V Package: 8-Pin PDIP Connection Diagram: Applications: Transducer Amplifier with Pulse Shaper. DC Gain Block with Level Detector. Voltage-Controlled Oscillator (VCO). Conventional Op-Amp Circuits. Conventional Voltage Comparator Circuits. Portable/Battery-Powered Equipment. Package Contents: 1x LM392N Comparator IC DIP-8 Datasheet

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