LTC6902CMS#PBF

Product Overview

Category

LTC6902CMS#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a precision programmable oscillator.

Characteristics

• High accuracy and stability
• Wide frequency range
• Low power consumption
• Small form factor
• Easy to use and program

Package

LTC6902CMS#PBF comes in a miniature 10-lead MSOP package.

Essence

The essence of LTC6902CMS#PBF lies in its ability to generate precise and programmable clock signals for various applications.

Packaging/Quantity

This product is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Frequency Range: 1kHz to 20MHz
• Frequency Accuracy: ±0.25%
• Programmable Frequency Resolution: 1Hz
• Output Types: Square wave, CMOS, or sine wave
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground connection
2. FREQ: Frequency programming pin
3. VDD: Power supply voltage
4. OUT: Oscillator output
5. SDO: Serial data output
6. SDI: Serial data input
7. CS: Chip select input
8. CLK: Clock input
9. MUX: Multiplexer control
10. REF: Reference voltage input

Functional Features

• Programmable frequency selection through serial interface
• Ability to generate square wave, CMOS, or sine wave outputs
• Low jitter and phase noise characteristics
• Internal reference voltage for improved accuracy
• Power-down mode for reduced power consumption
• Fast start-up time

Advantages and Disadvantages

Advantages

• High accuracy and stability ensure reliable performance
• Wide frequency range caters to diverse applications
• Small form factor allows for space-constrained designs
• Easy programming interface simplifies usage
• Low power consumption extends battery life

Disadvantages

• Limited frequency resolution may not meet certain precision requirements
• Lack of built-in frequency modulation capabilities

Working Principles

LTC6902CMS#PBF utilizes a fractional-N PLL (Phase-Locked Loop) architecture to generate precise clock signals. The desired frequency is programmed through the serial interface, which controls the division ratio of the internal reference clock. The programmable divider and phase detector work together to lock the output frequency to the desired value.

Detailed Application Field Plans

1. Communications: LTC6902CMS#PBF can be used in wireless communication systems, where accurate clock signals are crucial for data transmission and reception.
2. Test and Measurement: This product finds application in test equipment, such as signal generators and frequency counters, ensuring accurate and stable measurements.
3. Industrial Automation: Precise timing is essential in industrial automation systems, where LTC6902CMS#PBF can be employed for synchronization purposes.
4. Medical Devices: Medical instruments often require accurate timing for various functions, making this product suitable for applications in healthcare devices.

Detailed and Complete Alternative Models

1. LTC6900: Similar to LTC6902CMS#PBF but with a different package and pin configuration.
2. LTC6903: Offers additional features like frequency modulation and spread spectrum capability.
3. LTC6904: Provides higher frequency range and improved frequency resolution.

(Note: These alternative models are just a few examples; there are several other alternatives available in the market.)

In conclusion, LTC6902CMS#PBF is a precision programmable oscillator that offers high accuracy, wide frequency range, and low power consumption. Its small form factor and easy programming interface make it suitable for various applications in communications, test and measurement, industrial automation, and medical devices. While it has certain limitations in terms of frequency resolution and modulation capabilities, there are alternative models available to cater to specific requirements.