74HCT9046AD,118

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage-controlled oscillator (VCO) and phase-locked loop (PLL) applications
• Characteristics: High-speed operation, low power consumption, wide supply voltage range
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Analog multiplexer/demultiplexer with a built-in voltage-controlled oscillator (VCO) and phase-locked loop (PLL)

Specifications

• Supply Voltage Range: 2 V to 12 V
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: -0.5 V to VCC + 0.5 V
• Output Voltage Range: -0.5 V to VCC + 0.5 V
• Maximum Input Current: ±10 mA
• Maximum Output Current: ±25 mA
• Propagation Delay Time: 15 ns (typical)
• Power Dissipation: 500 mW (maximum)

Detailed Pin Configuration

The 74HCT9046AD,118 IC has a total of 16 pins. The pin configuration is as follows:

1. VCC: Positive power supply
2. GND: Ground reference
3. XIN: External input for the voltage-controlled oscillator (VCO)
4. XOUT: Output of the voltage-controlled oscillator (VCO)
5. CLK: Clock input for the phase-locked loop (PLL)
6. RST: Reset input for the phase-locked loop (PLL)
7. CP: Charge pump output for the phase-locked loop (PLL)
8. VCO_OUT: Output of the voltage-controlled oscillator (VCO)
9. VCO_IN: Input for the voltage-controlled oscillator (VCO)
10. VCO_GND: Ground reference for the voltage-controlled oscillator (VCO)
11. VCO_VCC: Positive power supply for the voltage-controlled oscillator (VCO)
12. GND: Ground reference
13. SEL1: Select input 1 for the analog multiplexer/demultiplexer
14. SEL2: Select input 2 for the analog multiplexer/demultiplexer
15. IN/OUT: Analog input/output for the analog multiplexer/demultiplexer
16. VCC: Positive power supply

Functional Features

• The 74HCT9046AD,118 is an integrated circuit that combines an analog multiplexer/demultiplexer with a voltage-controlled oscillator (VCO) and phase-locked loop (PLL).
• It allows the selection of different analog inputs or outputs using the select inputs (SEL1 and SEL2).
• The voltage-controlled oscillator (VCO) generates a frequency that can be controlled by an external input (XIN) or internally through the PLL.
• The phase-locked loop (PLL) ensures that the output frequency remains locked to the input clock signal (CLK).
• The charge pump output (CP) provides a current source/sink for the PLL loop filter.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal processing. - Low power consumption makes it suitable for battery-powered applications. - Wide supply voltage range provides flexibility in various electronic systems.

Disadvantages: - Limited number of analog inputs/outputs compared to dedicated multiplexers/demultiplexers. - Requires careful consideration of noise and interference due to its analog nature.

Working Principles

The 74HCT9046AD,118 operates based on the principles of analog multiplexing, voltage-controlled oscillation, and phase-locked loops. The analog multiplexer/demultiplexer allows the selection of different analog inputs or outputs. The voltage-controlled oscillator (VCO) generates a frequency that can be controlled by an external input or internally through the phase-locked loop (PLL). The PLL ensures that the output frequency remains locked to the input clock signal. The charge pump output provides the necessary current source/sink for the PLL loop filter.

Detailed Application Field Plans

The 74HCT9046AD,118 is commonly used in various applications, including: 1. Frequency synthesizers 2. Clock recovery circuits 3. Data communication systems 4. Frequency modulation/demodulation circuits 5. Phase-locked loop (PLL) circuits

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74HCT9046AD,118 include: 1. CD74HC4046: High-speed CMOS logic IC with a phase-locked loop (PLL) 2. MC14046B: Analog multiplexer/demultiplexer with a built-in voltage-controlled oscillator (VCO) 3. HEF4046B: Phase-locked loop (PLL) IC with a wide supply voltage range

These alternative models offer similar features and can be used as replacements depending on specific requirements