Overview
The LTC6908HS6-1#TRMPBF is a precision oscillator produced by Analog Devices Inc. This component is designed to provide accurate and stable clock signals, making it suitable for a variety of applications, particularly in switching regulator systems. The LTC6908 series offers two-output configurations, with the outputs shifted by either 180° (complementary) or 90° (quadrature), depending on the specific model. The oscillator frequency can be programmed using an external resistor, allowing for a wide range of frequencies from 150 kHz to 30 MHz.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Total Supply Voltage (V+ to GND) | 2.8V to 5.5V | |
| Maximum Voltage on any Pin | GND – 0.3V ≤ VPIN ≤ (V+ + 0.3V) | |
| Operating Temperature Range | –40°C to 125°C (H-grade), –40°C to 85°C (I-grade) | |
| Output Frequency Range | 150 kHz to 30 MHz | |
| Output Rise Time | 6 ns (V+ = 5V), 11 ns (V+ = 2.7V) | |
| Output Fall Time | 5 ns (V+ = 5V), 9 ns (V+ = 2.7V) | |
| Low Level Output Voltage | 0.05 V (V+ = 5V, IOL = 0.3mA), 0.1 V (V+ = 2.7V, IOL = 0.3mA) | |
| Package Type | 6-Lead Plastic TSOT-23 |
Key Features
- Programmable Frequency: The oscillator frequency can be set using an external resistor, allowing for frequencies between 150 kHz and 30 MHz.
- Spread Spectrum Modulation: The LTC6908 includes spread spectrum modulation to reduce EMI.
- Complementary or Quadrature Outputs: Depending on the model, the outputs are either 180° (complementary) or 90° (quadrature) phase-shifted.
- Low Power Consumption: Operates with a supply voltage range of 2.8V to 5.5V, making it energy-efficient.
- High Accuracy: Provides accurate and stable clock signals, essential for switching regulator systems and other precision applications.
Applications
- Switching Regulator Systems: The LTC6908 is designed to provide accurate clock signals for switching regulators and switching controllers.
- Communication Systems: Suitable for applications requiring precise clock signals, such as in communication and data transmission systems.
- Automotive Systems: Available in automotive-grade versions, making it suitable for use in automotive applications that require high reliability and precision.
- Industrial Control Systems: Can be used in industrial control systems where stable and accurate clock signals are crucial.
Q & A
- What is the operating temperature range of the LTC6908HS6-1#TRMPBF?
The operating temperature range is –40°C to 125°C for the H-grade and –40°C to 85°C for the I-grade.
- How is the oscillator frequency programmed in the LTC6908?
The oscillator frequency is programmed using an external resistor connected to the RSET pin.
- What are the output configurations available for the LTC6908?
The outputs can be either 180° phase-shifted (complementary) or 90° phase-shifted (quadrature), depending on the model.
- Does the LTC6908 support spread spectrum modulation?
Yes, the LTC6908 includes spread spectrum modulation to reduce EMI.
- What is the typical output rise and fall time of the LTC6908?
The typical output rise time is 6 ns (V+ = 5V) and 11 ns (V+ = 2.7V), and the typical output fall time is 5 ns (V+ = 5V) and 9 ns (V+ = 2.7V).
- What is the package type of the LTC6908HS6-1#TRMPBF?
The package type is a 6-Lead Plastic TSOT-23.
- Is the LTC6908 suitable for automotive applications?
Yes, the LTC6908 is available in automotive-grade versions designated with a #W suffix.
- What is the maximum voltage on any pin of the LTC6908?
The maximum voltage on any pin is GND – 0.3V ≤ VPIN ≤ (V+ + 0.3V).
- Can the LTC6908 drive switching regulators directly?
Yes, the complementary or quadrature CMOS logic outputs are suitable for directly driving most switching regulators and switching controllers.
- What is the supply voltage range of the LTC6908?
The supply voltage range is 2.8V to 5.5V.
