Overview
The LTC6908IDCB-1#TRMPBF is a precision oscillator produced by Analog Devices Inc. This component is designed to provide high accuracy and reliability in various electronic systems. The LTC6908 series offers two-output configurations, either complementary (0°/180°) or quadrature (0°/90°) outputs, making it versatile for different applications. It operates with a single external resistor to set the frequency, ranging from 50kHz to 10MHz, and includes optional spread spectrum frequency modulation (SSFM) for improved electromagnetic compatibility (EMC) performance.
Key Specifications
| Parameter | Value | Notes |
|---|---|---|
| Frequency Range | 50kHz to 10MHz | Set by a single external resistor (RSET) |
| Supply Voltage | 2.7V to 5.5V | Single supply operation |
| Supply Current | 400µA typical (V+ = 5V, 50kHz) | |
| Frequency Error | ≤1.5% max (TA = 25°C, V+ = 3V) | |
| Temperature Stability | ±40ppm/°C | |
| Output Rise/Fall Time | 6ns/5ns typical (V+ = 5V) | |
| Operating Temperature Range | –40°C to 85°C (Industrial Grade), –40°C to 125°C (High Temperature Grade) | |
| Package | 6-Lead DFN (2mm x 3mm w/ EP) |
Key Features
- Complementary or quadrature output configurations (LTC6908-1: 0°/180°, LTC6908-2: 0°/90°)
- Optional spread spectrum frequency modulation (SSFM) for improved EMC performance
- Frequency set by a single external resistor (RSET)
- Fast start-up time: 260µs typical (1MHz)
- Outputs muted until stable
- AEC-Q100 qualified for automotive applications
Applications
The LTC6908IDCB-1#TRMPBF is suitable for a variety of applications, including:
- Automotive systems: Due to its AEC-Q100 qualification, it is reliable for use in automotive environments
- Industrial control systems: Its precision and stability make it ideal for industrial control and automation
- Communication systems: The component's ability to generate precise frequencies with SSFM makes it useful in communication systems for improved EMC
- Consumer electronics: Its low power consumption and compact package make it suitable for various consumer electronic devices
Q & A
- What is the frequency range of the LTC6908IDCB-1#TRMPBF?
The frequency range is from 50kHz to 10MHz, set by a single external resistor (RSET)
- What are the output configurations available for the LTC6908 series?
The LTC6908 series offers complementary (0°/180°) and quadrature (0°/90°) output configurations
- What is the purpose of the spread spectrum frequency modulation (SSFM) feature?
The SSFM feature is used to improve electromagnetic compatibility (EMC) performance by modulating the frequency to produce a flat frequency spectrum
- What is the typical supply current of the LTC6908IDCB-1#TRMPBF?
The typical supply current is 400µA at V+ = 5V and 50kHz
- What is the operating temperature range for the LTC6908IDCB-1#TRMPBF?
The operating temperature range is –40°C to 85°C for the industrial grade and –40°C to 125°C for the high temperature grade
- What package type is the LTC6908IDCB-1#TRMPBF available in?
The component is available in a 6-Lead DFN (2mm x 3mm w/ EP) package
- Is the LTC6908IDCB-1#TRMPBF qualified for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications
- How is the frequency set for the LTC6908IDCB-1#TRMPBF?
The frequency is set by a single external resistor (RSET)
- What is the start-up time for the LTC6908IDCB-1#TRMPBF?
The typical start-up time is 260µs at 1MHz
- Are the outputs of the LTC6908IDCB-1#TRMPBF muted until stable?
Yes, the outputs are muted until the oscillator is stable
