LTC6904CMS8#PBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Frequency Synthesizer
• Characteristics: Low Power, High Accuracy
• Package: MSOP-8
• Essence: Programmable Oscillator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Frequency Range: 1kHz to 68MHz
• Output Types: Square Wave, Sine Wave, Triangular Wave
• Frequency Resolution: 0.1Hz
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground
2. VCC: Supply Voltage
3. FOUT: Frequency Output
4. FSEL0: Frequency Select Bit 0
5. FSEL1: Frequency Select Bit 1
6. FSEL2: Frequency Select Bit 2
7. TRI/SQ: Triangular/Square Wave Select
8. SIN: Sine Wave Output

Functional Features

• Wide frequency range with high accuracy
• Programmable frequency selection through FSEL pins
• Multiple output waveforms for versatile applications
• Low power consumption for energy-efficient operation
• Compact MSOP-8 package for space-constrained designs
• Excellent temperature stability for reliable performance

Advantages and Disadvantages

Advantages

• Wide frequency range allows for various applications
• High accuracy ensures precise frequency generation
• Programmable frequency selection offers flexibility
• Multiple output waveforms cater to different needs
• Low power consumption prolongs battery life
• Compact package saves board space
• Excellent temperature stability ensures reliability

Disadvantages

• Limited maximum frequency compared to some alternatives
• Requires external components for certain applications
• Higher cost compared to basic crystal oscillators

Working Principles

The LTC6904CMS8#PBF is a frequency synthesizer IC that generates precise and programmable frequencies. It utilizes an internal oscillator and a phase-locked loop (PLL) architecture to achieve accurate frequency synthesis. The desired frequency is selected by setting the appropriate FSEL pins, which control the division ratio of the internal PLL. The output waveform type (square, sine, or triangular) is determined by the TRI/SQ pin. The LTC6904CMS8#PBF operates within a specified supply voltage range and provides stable performance across a wide temperature range.

Detailed Application Field Plans

The LTC6904CMS8#PBF finds applications in various fields where precise frequency generation is required. Some potential application areas include: 1. Communications: Frequency synthesis for wireless transceivers, base stations, and satellite communication systems. 2. Test and Measurement: Clock generation for signal generators, function generators, and frequency counters. 3. Audio Equipment: Oscillator for audio synthesizers, musical instruments, and sound systems. 4. Industrial Automation: Timing reference for PLCs, motor control systems, and robotics. 5. Medical Devices: Clock source for medical imaging equipment, patient monitoring systems, and diagnostic devices.

Detailed and Complete Alternative Models

1. LTC6900: Similar functionality with a wider frequency range up to 100MHz.
2. MAX038: Function generator IC with integrated waveform generation capabilities.
3. Si570: Programmable oscillator with a wide frequency range and high accuracy.
4. CD4046B: Phase-locked loop IC suitable for frequency synthesis applications.
5. XR2206: Monolithic function generator IC with versatile waveform generation options.

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