SN74LS628NG4

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SN74LS628NG4

+BOM

IC OSC VCO 20MHZ 14-DIP

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

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사양

속성 가치
Supplier Texas Instruments
Package Tube
Series 74LS
ProductStatus Discontinued at Digi-Key
Type VCO
Frequency 20MHz
Voltage-Supply 4.75V ~ 5.25V
Current-Supply 20 mA
OperatingTemperature 0°C ~ 70°C
Package/Case 14-DIP (0.300, 7.62mm)
SupplierDevicePackage 14-PDIP

개요

Description

The SN74LS628NG4 is a monolithic voltage-controlled oscillator (VCO) integrated circuit from Texas Instruments. It is primarily used in applications that require frequency modulation and signal generation, such as phase-locked loops and frequency synthesizers. The device operates over a wide frequency range and can be tuned through an external voltage input, making it versatile for various electronic designs.
Key features of the SN74LS628NG4 include a linear frequency response, which allows for precise control over the output frequency, and low power consumption, making it suitable for battery-powered devices. The IC also includes complementary outputs that can drive both TTL and CMOS loads, adding to its flexibility in different circuit configurations.
The SN74LS628NG4 typically operates with a supply voltage of 5V, and its frequency can be adjusted using external resistors and capacitors. Due to its reliability and performance, it is commonly utilized in telecommunications, instrumentation, and other applications that require stable frequency generation.

Equivalent

The SN74LS628NG4 is a voltage-controlled oscillator (VCO) with TTL logic levels. Equivalent products include:
1. MC1648 by ON Semiconductor
2. CD4046 by Texas Instruments (covers similar VCO function but with different specifications)
3. LM566 by Texas Instruments (a general-purpose VCO)
4. 74HC4046 by Nexperia or Texas Instruments (an HC version with similar functions)
Ensure to compare specifications like frequency range and logic compatibility when selecting an alternative.

Features

The SN74LS628NG4 is a voltage-controlled oscillator (VCO) IC designed for precise frequency generation in various applications. Key features include:
1. Frequency Range: It offers a wide frequency range, making it versatile for different applications.
2. Voltage Control: The oscillation frequency can be controlled linearly with an external voltage, providing flexibility in tuning.
3. Stability: It provides good frequency stability over a range of temperatures and supply voltages.
4. Output: The IC typically delivers a square wave output, suitable for digital circuits.
5. Supply Voltage: Operates at a standard TTL supply voltage, usually 5V.
6. Temperature Range: It functions effectively over a typical commercial temperature range.
7. Compact Package: Comes in a compact package for easy integration into PCB designs.
These features make the SN74LS628NG4 suitable for use in timing circuits, function generators, and frequency modulation applications.

Pinout

The SN74LS628NG4 is a voltage-controlled oscillator (VCO) IC from the 74LS series. It typically comes in a dual in-line package (DIP) with 16 pins. Here's a concise overview of its pin functions:
1. VCC (Pin 16): Power supply voltage.
2. GND (Pin 8): Ground connection.
3. VCO IN (Pin 5): Voltage input for controlling the frequency.
4. R1 (Pin 6): External resistor connection for frequency setting.
5. R2 (Pin 7): Another external resistor connection for frequency setting.
6. C1 (Pin 4): External capacitor connection for frequency setting.
7. NC (Pins 3, 9, and 11): No connection.
8. OUT A (Pin 13): Output A of the VCO.
9. OUT B (Pin 12): Output B of the VCO.
10. MOD IN (Pins 1 and 14): Inputs for modulation.
11. PW ADJ (Pin 2): Pulse width adjustment.
12. SYNC IN (Pin 15): Synchronization input.
The SN74LS628NG4 is used in applications requiring frequency modulation, where the output frequency is controlled by an input voltage.

Manufacturer

The SN74LS628NG4 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. They are particularly known for their analog and embedded processing products. TI serves various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. The company is headquartered in Dallas, Texas, and is recognized for its innovation and contributions to the advancement of technology.

Application

The SN74LS628NG4 is a voltage-controlled oscillator (VCO) typically used in frequency synthesis, phase-locked loops (PLLs), and clock generation circuits. Its applications include communication systems, where it helps in modulating and demodulating signals, as well as in synthesizing frequencies for radio transmitters and receivers. Additionally, it is used in signal processing for generating precise clock signals and in timing applications requiring adjustable frequencies. The device is also suitable for function generators and waveform synthesis due to its ability to produce a range of frequencies based on input voltage. Its versatility makes it useful in various electronic systems that require reliable frequency control.

Package

The SN74LS628NG4 is a voltage-controlled oscillator IC by Texas Instruments, typically available in a dual inline package (DIP). This package type facilitates easy handling and integration onto breadboards or PCBs for prototyping and development.

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