NLVHC4538ADR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Controlled Oscillator (VCO)
• Characteristics: High-speed, dual retriggerable/resettable monostable multivibrator
• Package: SOIC-16
• Essence: Provides precision timing control in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3 V to 18 V
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±10 mA
• Propagation Delay Time: 45 ns
• Trigger Voltage: 1.5 V to 18 V
• Reset Voltage: 0.3 V to 1.5 V

Detailed Pin Configuration

The NLVHC4538ADR2G has a total of 16 pins arranged as follows:

1. Pin 1: VCC - Positive power supply input
2. Pin 2: GND - Ground reference
3. Pin 3: REXT - External resistor for timing control
4. Pin 4: CEXT - External capacitor for timing control
5. Pin 5: RESET - Active-low reset input
6. Pin 6: Q1 - Output 1
7. Pin 7: Q1 - Complementary output 1
8. Pin 8: Q2 - Output 2
9. Pin 9: Q2 - Complementary output 2
10. Pin 10: TRIG - Trigger input
11. Pin 11: DISCH - Discharge pin
12. Pin 12: VREF - Reference voltage input
13. Pin 13: CTRL - Control voltage input
14. Pin 14: VREF - Reference voltage input
15. Pin 15: CTRL - Control voltage input
16. Pin 16: VCC - Positive power supply input

Functional Features

• Dual retriggerable/resettable monostable multivibrator
• Wide supply voltage range for flexibility in various applications
• Precision timing control through external resistor and capacitor
• Active-low reset input for easy synchronization
• Complementary outputs for versatile signal routing
• Trigger input for initiating the timing cycle
• Discharge pin for quick discharge of the timing capacitor

Advantages and Disadvantages

Advantages: - High-speed operation for time-critical applications - Dual functionality allows for more complex timing sequences - Flexible supply voltage range accommodates different power sources - Precise timing control enables accurate synchronization

Disadvantages: - Limited output current may restrict use in certain high-power applications - External components (resistor and capacitor) required for precise timing control

Working Principles

The NLVHC4538ADR2G is a dual retriggerable/resettable monostable multivibrator, commonly known as a "one-shot" circuit. It generates a pulse of a fixed duration when triggered by an external signal. The timing of the pulse is determined by an external resistor and capacitor connected to the REXT and CEXT pins.

Upon receiving a trigger signal at the TRIG pin, the circuit initiates a timing cycle. The duration of the pulse is determined by the values of the external resistor and capacitor. The pulse width can be adjusted by varying these external components.

The circuit can be reset before the completion of the timing cycle by applying a low-level signal to the RESET pin. This feature allows for precise synchronization and control of the timing sequence.

Detailed Application Field Plans

The NLVHC4538ADR2G finds application in various fields where precise timing control is essential. Some potential application areas include:

1. Communication Systems: Timing synchronization in data transmission and reception.
2. Industrial Automation: Control of timing sequences in manufacturing processes.
3. Automotive Electronics: Timing control in engine management systems and safety features.
4. Medical Equipment: Precise timing for diagnostic and therapeutic devices.
5. Test and Measurement Instruments: Generation of accurate time intervals for testing purposes.

Detailed and Complete Alternative Models

1. CD4538BCN - Dual Precision Monostable Multivibrator
2. MC14538B - Dual Precision Retriggerable/Resettable Monostable Multivibrator
3. HEF4538BP - Dual Precision Monostable Multivibrator with Schmitt Trigger Inputs
4. SN74LS123N - Dual Retriggerable Monostable Multivibrator

These alternative models offer similar functionality and can be considered as substitutes for the NLVHC4538ADR2G in various applications.

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