DS1087LU-40K+ Encyclopedia Entry

Product Overview

Category

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

Use

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

Characteristics

• Package: The DS1087LU-40K+ is available in a compact surface-mount package.
• Essence: It is a highly accurate and versatile frequency synthesizer.
• Packaging/Quantity: The product is typically packaged in reels or trays, with varying quantities depending on the supplier.

Specifications and Parameters

The DS1087LU-40K+ features the following specifications and parameters:

• Frequency Range: 1Hz to 133.33MHz
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Output Format: Square wave

Pin Configuration

The pin configuration of DS1087LU-40K+ is as follows:

```

Pin Name | Description

VDD | Power supply voltage GND | Ground XIN | Crystal oscillator input XOUT | Crystal oscillator output CLKOUT | Clock output S0 | Serial data input S1 | Serial data input S2 | Serial data input ```

Functional Characteristics

The DS1087LU-40K+ offers the following functional characteristics:

• Frequency Synthesis: It can generate precise clock signals with adjustable frequencies.
• Programmable Divider: The product allows division ratios to be programmed for output frequency customization.
• Crystal Oscillator: It incorporates an internal crystal oscillator for stable frequency generation.
• Serial Interface: The IC supports serial communication for easy configuration.

Advantages and Disadvantages

Advantages: - High accuracy and stability in frequency synthesis - Versatile programmable divider options - Compact package size for space-constrained applications

Disadvantages: - Limited frequency range compared to some other ICs in the same category - Requires an external crystal oscillator for operation

Applicable Range of Products

The DS1087LU-40K+ is suitable for various electronic devices that require precise clock signals and frequency synthesis. It finds applications in telecommunications, consumer electronics, and industrial equipment.

Working Principles

The DS1087LU-40K+ utilizes a combination of a crystal oscillator and a programmable divider to generate accurate clock signals. The input frequency is divided by the programmable divider to achieve the desired output frequency.

Detailed Application Field Plans

The DS1087LU-40K+ can be applied in the following fields:

1. Telecommunications: Used in communication systems for clock synchronization and frequency generation.
2. Consumer Electronics: Integrated into audio/video equipment, digital cameras, and gaming consoles for timing purposes.
3. Industrial Equipment: Employed in automation systems, control panels, and instrumentation devices requiring precise timing.

Detailed Alternative Models

Some alternative models to DS1087LU-40K+ include:

• DS1085LU-40K+
• DS1086LU-40K+
• DS1088LU-40K+

These models offer similar functionality but may have slight differences in specifications and pin configuration.

5 Common Technical Questions and Answers

1. Q: What is the maximum frequency that DS1087LU-40K+ can generate? A: The DS1087LU-40K+ can generate frequencies up to 133.33MHz.

2. Q: Can I power the DS1087LU-40K+ with a voltage higher than 5.5V? A: No, the recommended supply voltage range is 2.7V to 5.5V. Exceeding this range may damage the IC.

3. Q: Is an external crystal oscillator required for DS1087LU-40K+ operation? A: Yes, the DS1087LU-40K+ relies on an external crystal oscillator for frequency reference.

4. Q: Can I program the output frequency of DS1087LU-40K+ in real-time? A: No, the programming of the output frequency requires reconfiguration and is not intended for real-time adjustments.

5. Q: What is the typical package quantity of DS1087LU-40K+? A: The product is commonly available in reels or trays with varying quantities, typically ranging from 100 to 1000 units per package.

This encyclopedia entry provides a comprehensive overview of the DS1087LU-40K+ integrated circuit, including its category, use, characteristics, specifications, pin configuration, functional characteristics, advantages, disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.