SN74LS629DR

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SN74LS629DR

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IC OSC DUAL VCO 20MHZ 16-SOIC

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規格

屬性 價值
Supplier Texas Instruments,Rochester Electronics, LLC
Package Tape & Reel (TR),Bulk
Series 74LS
ProductStatus Obsolete
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

概述

Description

The SN74LS629DR is a member of the Texas Instruments 74LS series, known for its low-power Schottky logic devices. It is a voltage-controlled oscillator (VCO), which generates a square wave output whose frequency can be adjusted by varying the input control voltage. The SN74LS629DR is particularly useful in applications requiring precise frequency control and modulation, such as phase-locked loops (PLLs), frequency synthesizers, and tone generation.
Key features of the SN74LS629DR include a wide frequency range and the ability to function over a variety of supply voltages. It operates with dual complementary outputs, which can drive TTL loads directly. Additionally, the device features a frequency stability over a range of temperatures, making it reliable in diverse environmental conditions. With its compact SOIC-16 package, the SN74LS629DR is well-suited for space-constrained applications.
Overall, the SN74LS629DR is a versatile and reliable choice for designers looking to implement frequency control in digital circuits.

Equivalent

The SN74LS629DR is a dual voltage-controlled oscillator (VCO) IC. Equivalent or similar products include the SN74LS624, which is another VCO from the same family, and possibly other VCOs with similar frequency ranges and characteristics from manufacturers like ON Semiconductor or NXP. Ensure compatibility in terms of pin configuration, frequency range, and electrical characteristics when considering alternatives.

Features

The SN74LS629DR is a voltage-controlled oscillator (VCO) integrated circuit from Texas Instruments, primarily used in frequency modulation and phase-locked loop applications. Key features include:
1. Wide Frequency Range: It offers a frequency range from 1 Hz to 20 MHz, making it suitable for a broad array of applications.
2. Voltage Control: The output frequency is adjustable via a control voltage, allowing for precision tuning and flexibility.
3. Dual Channel: The IC includes two independent VCOs, providing versatility in multi-channel applications.
4. Low Power Consumption: Designed for efficient power use, contributing to longer operational life in battery-powered devices.
5. TTL-Compatible: The SN74LS629DR is compatible with TTL logic families, facilitating easy integration into existing digital systems.
6. Temperature Range: Operates within a wide temperature range, enhancing reliability in various environmental conditions.
7. Compact Form Factor: Available in a small-outline package, it aids in minimizing space on circuit boards.
These features make the SN74LS629DR ideal for use in communication systems, signal generation, and other electronic applications requiring precise frequency control.

Pinout

The SN74LS629DR is a dual voltage-controlled oscillator (VCO) IC, typically used for frequency synthesis and modulation purposes. It is part of the TTL logic family and is housed in a SOIC-16 package, meaning it has 16 pins.
Key pin functions include:
1. Ground (GND): Pin 8, used for grounding the circuit.
2. VCC: Pin 16, the power supply pin.
3. Voltage-Control Inputs (VC1 and VC2): Pins 13 and 3, used to control the frequency of the oscillators.
4. Timing Resistor Inputs (R1 and R2): Pins 14 and 2, connected to external resistors to set the oscillation frequency range.
5. Timing Capacitor Inputs (C1 and C2): Pins 15 and 1, connected to external capacitors to form the RC timing circuit.
6. Frequency Outputs (OUT1 and OUT2): Pins 11 and 5, output pins for the oscillators.
7. Enable Inputs (EN1 and EN2): Pins 10 and 6, used to enable or disable the oscillators.
8. No Connect (NC): Some pins may be unused or reserved.
This IC can be used for generating precise and adjustable frequencies in electronic circuits.

Manufacturer

The SN74LS629DR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. The company is a major player in the electronics industry and provides a wide range of products that are used in electronics for both commercial and consumer applications. TI is known for its innovation in analog and embedded processing technologies, which are used in a variety of fields including automotive, industrial, personal electronics, and communications equipment.

Application

The SN74LS629DR is a voltage-controlled oscillator (VCO) commonly used in applications requiring frequency modulation, signal generation, and clock signal creation. Its typical application areas include phase-locked loops (PLLs), frequency synthesis, and waveform generation. It is also used in communication systems for modulation and demodulation, as well as in various control systems for generating precisely controlled timing signals. This VCO is suitable for digital systems where a stable and adjustable frequency source is necessary, such as in microprocessor clocking and timing circuits. Its versatility makes it useful in both consumer electronics and industrial applications.

Package

The SN74LS629DR is a dual voltage-controlled oscillator (VCO) IC from Texas Instruments, and it comes in a SOIC-16 (Small Outline Integrated Circuit) package.

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