CD4046BCM

Name: CD4046BCM
Brand: Onsemi
Rating: 4.5 (10 reviews)
Author: Lisleapex

CD4046BCM is a Phase-Locked Loop (PLL) integrated circuit used for frequency synthesis and synchronization

6,307 Effective Inventory

CD4046BCM

Effective Inventory6,307

CD4046BCM is a Phase-Locked Loop (PLL) integrated circuit used for frequency synthesis and synchronization

Manufacturer Part # : CD4046BCM
Package/Case: SOICNarrow-16
Brand: Onsemi
Product Categories : Clock Generators, PLLs, Frequency Synthesizers
Series : CD4046

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CD4046BCM DataSheet

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CD4046BCM Details

The CD4046BCM is a Phase-Locked Loop (PLL) integrated circuit designed for frequency synthesis and demodulation applications. This versatile IC offers stable and accurate frequency tracking, making it ideal for communications, frequency synthesis, and synchronization circuits.

Pinout

1 (PD): Phase Detector Input
2 (FILP): Filter LP
3 (FILN): Filter LN
4 (COMP): Comparator Output
5 (VCOIN): Voltage Controlled Oscillator Input
6 (VCOP): Voltage Controlled Oscillator Output
7 (NC): No Connection
8 (VCC): Positive Power Supply
9 (VSS): Ground
10 (NC): No Connection
11 (NC): No Connection
12 (NC): No Connection
13 (NC): No Connection
14 (NC): No Connection
15 (NC): No Connection
16 (NC): No Connection

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Frequency Synthesis: Enables precise frequency synthesis for various applications.
Phase-Locked Loop: Implements a stable PLL for frequency tracking and demodulation.
Voltage Controlled Oscillator (VCO): Provides a voltage-controlled oscillator for frequency modulation.
Phase Detector: Features a phase detector for phase comparison and control.
Low Power Consumption: Designed for low power operation, suitable for battery-powered devices.

Application

Frequency Synthesizers: Used in frequency synthesizer circuits for generating precise output frequencies.
Communication Systems: Ideal for synchronization and demodulation in communication systems.
Signal Processing: Applied in signal processing circuits requiring frequency control and modulation.

How to Use

Integrate the CD4046BCM into your circuit by connecting the required input and output pins as per the application's frequency synthesis requirements. Control the VCO input for frequency modulation and use the phase detector for phase comparison tasks. Ensure proper power supply connections and follow the recommended operating conditions for optimal performance.

Application Circuit

The application circuit diagram for the CD4046BCM demonstrates how to incorporate the PLL IC into your circuit design for frequency synthesis and demodulation. It includes connections for the phase detector, VCO, and power supply, ensuring proper functionality.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

MC14046B: A similar PLL IC offering comparable performance characteristics.
HEF4046BP: An alternative phase-locked loop IC with similar functionality.

Complementary

The CD4046BCM can be complemented by the CD4047BCM, which provides additional functionality for frequency division and waveform generation. When selecting complementary ICs, ensure compatibility and coherent operation with the main PLL circuit.

Frequently Asked Questions

Q: What is the function of the VCO in the CD4046BCM?

A: The Voltage Controlled Oscillator (VCO) in the CD4046BCM allows for frequency modulation controlled by an external voltage signal, enabling variable frequency output.

Q: Can the CD4046BCM be used in radio frequency (RF) applications?

A: Yes, the CD4046BCM is suitable for use in RF applications requiring precise frequency synthesis and demodulation capabilities.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Phase Locked Loops - PLL	RoHS	N
Type	PLL	Number of Circuits	1 Circuit
Supply Voltage - Max	15 V	Supply Voltage - Min	3 V
Technology	Si	Minimum Operating Temperature	- 55 C
Maximum Operating Temperature !	+ 125 C	Mounting Style	SMD/SMT
Package / Case	SOIC-Narrow-16	Brand	onsemi / Fairchild
Height	1.5 mm	Length	10 mm
Operating Supply Voltage !	3.3 V, 5 V, 9 V, 12 V	Product Type !	PLLs - Phase Locked Loops
Subcategory	Wireless & RF Integrated Circuits	Width	4 mm
Unit Weight	0.019312 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification CD4046BCM PDF Download

FAQs

What is CD4046BCM?

The CD4046BCM is a phase-locked loop (PLL) integrated circuit designed by Texas Instruments. It is commonly used for frequency synthesis, demodulation, and frequency multiplication in various electronic applications such as communication systems, frequency modulators, and tone decoders.

How Does CD4046BCM Work?

The CD4046BCM operates by comparing the phase and frequency of an input signal with that of a voltage-controlled oscillator (VCO). The PLL circuit locks the VCO frequency to the input signal frequency, providing synchronization and control. It can also demodulate frequency-modulated signals and perform frequency multiplication based on the input and VCO signals.

How Many Pins does CD4046BCM have and What are the Functions of the Pinout Configuration?

The CD4046BCM is housed in a 16-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

INHIBIT: Inhibit control input.
COMP: Comparator input for phase and frequency comparison.
VC: Control voltage input for the VCO.
GND: Ground pin.
NC1, NC2: No connect pins.
OSC1, OSC2: Input and output of the internal oscillator.
EXTP, SYNC: External timing capacitor connections.
RESET, FILT: Reset and filter pins.
DIV1, DIV2: Divide control inputs for frequency multiplication.
VCC: Positive power supply pin.

What are the Pros and Cons of CD4046BCM?

Pros:

Versatility: Suitable for a wide range of frequency control and synchronization applications.
Integrated Solution: Combines phase detection, frequency comparison, and VCO control in a single IC.
Reliable Performance: Provides stable frequency locking and demodulation capabilities.
Compact Package: The 16-lead SOIC package offers space-efficient integration into electronic designs.

Cons:

Complexity: Requires understanding of PLL theory and careful design considerations for optimal performance.
External Components: May require additional external components such as resistors and capacitors for specific applications.
Noise Sensitivity: Susceptibility to noise and interference in certain operating conditions.

Are There Any Equivalents/Alternatives to CD4046BCM for Recommendation?

The CD4046BE from Texas Instruments is a similar PLL IC with a different package type.
Alternatives to the CD4046BCM include the MC74HC4046A from ON Semiconductor and the HEF4046B from Nexperia.

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