DS1087LU-40K+T

Product Overview

Category

The DS1087LU-40K+T belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for frequency synthesis and clock generation.

Characteristics

• Package: The DS1087LU-40K+T is available in a small form factor package, making it suitable for compact designs.
• Essence: It is a programmable PLL-based frequency synthesizer with a wide frequency range.
• Packaging/Quantity: The DS1087LU-40K+T is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

The DS1087LU-40K+T has the following specifications:

• Frequency Range: 1Hz to 133MHz
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Format: CMOS/TTL-compatible square wave

Detailed Pin Configuration

The DS1087LU-40K+T has the following pin configuration:

1. VDD: Power supply input
2. GND: Ground reference
3. XIN: Crystal oscillator input
4. XOUT: Crystal oscillator output
5. CLKOUT: Clock output
6. SDA: Serial data input/output
7. SCL: Serial clock input
8. OE: Output enable control

Functional Features

The DS1087LU-40K+T offers the following functional features:

• Frequency Synthesis: It can generate precise clock signals within a wide frequency range.
• Programmability: The IC allows for easy programming of the desired output frequency through serial communication.
• Low Jitter: The DS1087LU-40K+T ensures low jitter performance, resulting in stable and accurate clock signals.
• Power Management: It incorporates power-saving features, such as a low-power standby mode.

Advantages and Disadvantages

Advantages

• Wide frequency range allows for versatile applications.
• Compact package enables integration into space-constrained designs.
• Low jitter ensures accurate timing in various electronic systems.
• Programmability offers flexibility in generating desired clock frequencies.

Disadvantages

• Limited output format options (CMOS/TTL-compatible square wave).
• Requires external crystal oscillator for frequency synthesis.

Working Principles

The DS1087LU-40K+T operates based on the phase-locked loop (PLL) principle. It uses an external crystal oscillator as a reference input and generates a stable clock signal by multiplying or dividing the input frequency. The PLL circuitry ensures precise frequency synthesis and synchronization with the reference signal.

Detailed Application Field Plans

The DS1087LU-40K+T finds application in various fields, including:

1. Communication Systems: Used for clock generation in wireless communication devices, routers, and modems.
2. Consumer Electronics: Integrated into audio/video equipment, gaming consoles, and digital cameras for accurate timing.
3. Industrial Automation: Employed in control systems, PLCs, and robotics for synchronized operation.
4. Automotive Electronics: Utilized in vehicle infotainment systems, navigation units, and engine control modules.

Detailed and Complete Alternative Models

Some alternative models to the DS1087LU-40K+T include:

1. DS1085LU-40K+T: Similar functionality but with a different pin configuration.
2. DS1089LU-40K+T: Offers additional features like spread spectrum modulation.
3. DS1097LU-40K+T: Higher frequency range and enhanced programmability options.

In conclusion, the DS1087LU-40K+T is a versatile integrated circuit used for frequency synthesis and clock generation. Its programmability, compact package, and low jitter make it suitable for various applications in communication systems, consumer electronics, industrial automation, and automotive electronics. While it has some limitations, alternative models provide additional features and options for specific requirements.