SN74LS629D

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SN74LS629D

+Nomenclature

IC OSC DUAL VCO 20MHZ 16-SOIC

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Spécifications

Attribut Valeur
Supplier Rochester Electronics, LLC,Texas Instruments
Package Bulk,Tube
Series 74LS
ProductStatus Active
Type VCO (Dual)
Frequency 20MHz
Voltage-Supply 4.75V ~ 5.25V
Current-Supply 35 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 16-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 16-SOIC

Présentation

Description

The SN74LS629D is a voltage-controlled oscillator (VCO) integrated circuit used in electronic applications that require frequency modulation. Part of the 74LS series, it is designed for generating precise clock signals with a frequency adjustable by an external voltage. This IC is known for its stability and low power consumption, making it suitable for timers, frequency synthesizers, and modulation systems.
Key features include an operating frequency range typically from a few kHz to a few MHz, depending on the external components used. It has a linear frequency response to changes in the control voltage. The SN74LS629D operates with a standard supply voltage of 5V and typically features two independent VCOs in a single package, providing flexibility in design. The output is a square wave, and it can be synchronized with an external clock signal for frequency stability. The device is packaged typically in a dual-in-line or surface-mount format, facilitating easy integration into various applications.

Equivalent

The SN74LS629D is a dual voltage-controlled oscillator (VCO) IC. Equivalent products include the SN74LS628, which is a similar dual VCO with minor differences in specifications or packaging. For alternative manufacturers, you might consider NTE74LS629 from NTE Electronics or various offerings from other manufacturers that match similar VCO specifications. Always verify the datasheets to ensure compatibility with your specific application.

Features

The SN74LS629D is a monolithic voltage-controlled oscillator (VCO) integrated circuit, part of the 74LS family. It features a dual VCO design with each VCO having independent voltage control. The device is designed to operate over a wide frequency range, typically from 1 Hz to 40 MHz, depending on external timing components. It provides a square wave output and has a linear frequency response relative to the input control voltage.
Key features include:
1. Dual VCO: Two independent oscillators in one package.
2. Wide Frequency Range: 1 Hz to 40 MHz.
3. Linear Frequency Control: Frequency varies linearly with control voltage.
4. Low Power Consumption: Suitable for battery-powered applications.
5. TTL Compatibility: Compatible with TTL logic families.
6. Adjustable Frequency: External resistors and capacitors allow frequency tuning.
7. Differential Inputs: Enhances noise immunity and allows for differential control.
8. Compact Package: Available in SOIC and other standard packages.
These features make the SN74LS629D suitable for various applications, including signal generation, clock generation, and frequency modulation.

Pinout

The SN74LS629D is a dual voltage-controlled oscillator (VCO) IC. It typically comes in a 16-pin SOIC package. The primary function of the SN74LS629D is to generate frequency outputs that are controlled by an external voltage. Here is a brief overview of its pin functions:
1. VCC (Pin 16): Power supply.
2. GND (Pin 8): Ground connection.
3. Inputs:
- R1 and R2 (Pins 2, 3 for one VCO; Pins 10, 11 for the other): External resistor connections to set frequency range.
- C1 and C2 (Pins 1, 4 for one VCO; Pins 9, 12 for the other): External capacitor connections to set frequency range.
- VCO Control Voltage (Pins 5, 13): Voltage input to control the frequency.
4. Outputs:
- FOUT1 and FOUT2 (Pins 6, 14): Frequency outputs from the two oscillators.
5. Enable Inputs:
- EN1 and EN2 (Pins 7, 15): Enable pins for oscillator outputs.
These features make the SN74LS629D suitable for applications requiring precise frequency modulation driven by external voltages.

Manufacturer

The SN74LS629D is manufactured by Texas Instruments (TI). Texas Instruments is a well-known American technology company that designs and manufactures semiconductors and various integrated circuits. They have a broad range of products that serve numerous industries, including automotive, industrial, personal electronics, and communications equipment. TI is recognized for its innovation in the field of electronics and its extensive portfolio of analog and embedded processing products.

Application

The SN74LS629D is a voltage-controlled oscillator (VCO), primarily used in frequency synthesis and timing applications. It is commonly utilized in communication systems for generating clock signals and frequency modulation. In digital systems, it aids in phase-locked loops (PLLs) for synchronization tasks. Additionally, it can be found in signal processing applications for waveform generation and as a component in electronic test equipment. Its ability to produce variable frequencies makes it useful in applications that require precise timing control, such as in instrumentation and automatic test equipment (ATE). Overall, the SN74LS629D is versatile in any application requiring stable and adjustable frequency output.

Package

The SN74LS629D is a monolithic voltage-controlled oscillator (VCO) IC from Texas Instruments, provided in a 16-pin Small Outline Integrated Circuit (SOIC) package. This package type is compact, making it suitable for various digital and analog circuit applications.

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